David M. Karl - Publications

Affiliations: 
University of Hawai'i at Manoa, Honolulu, HI 
Area:
Oceanography Biology, Environmental Sciences, Biogeochemistry

283 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Pinedo-González P, Hawco NJ, Bundy RM, Armbrust EV, Follows MJ, Cael BB, White AE, Ferrón S, Karl DM, John SG. Anthropogenic Asian aerosols provide Fe to the North Pacific Ocean. Proceedings of the National Academy of Sciences of the United States of America. PMID 33093199 DOI: 10.1073/pnas.2010315117  1
2020 Henderikx Freitas F, Dugenne M, Ribalet F, Hynes A, Barone B, Karl DM, White AE. Diel variability of bulk optical properties associated with the growth and division of small phytoplankton in the North Pacific Subtropical Gyre. Applied Optics. 59: 6702-6716. PMID 32749375 DOI: 10.1364/AO.394123  1
2019 Klawonn I, Eichner MJ, Wilson ST, Moradi N, Thamdrup B, Kümmel S, Gehre M, Khalili A, Grossart HP, Karl DM, Ploug H. Distinct nitrogen cycling and steep chemical gradients in Trichodesmium colonies. The Isme Journal. PMID 31636364 DOI: 10.1038/s41396-019-0514-9  1
2019 Wilson ST, Hawco NJ, Armbrust EV, Barone B, Björkman KM, Boysen AK, Burgos M, Burrell TJ, Casey JR, DeLong EF, Dugenne M, Dutkiewicz S, Dyhrman ST, Ferrón S, Follows MJ, ... ... Karl DM, et al. Kīlauea lava fuels phytoplankton bloom in the North Pacific Ocean. Science (New York, N.Y.). 365: 1040-1044. PMID 31488692 DOI: 10.1126/science.aax4767  1
2019 Letelier RM, Björkman KM, Church MJ, Hamilton DS, Mahowald NM, Scanza RA, Schneider N, White AE, Karl DM. Climate-driven oscillation of phosphorus and iron limitation in the North Pacific Subtropical Gyre. Proceedings of the National Academy of Sciences of the United States of America. PMID 31182581 DOI: 10.1073/pnas.1900789116  1
2019 Boeuf D, Edwards BR, Eppley JM, Hu SK, Poff KE, Romano AE, Caron DA, Karl DM, DeLong EF. Biological composition and microbial dynamics of sinking particulate organic matter at abyssal depths in the oligotrophic open ocean. Proceedings of the National Academy of Sciences of the United States of America. PMID 31127042 DOI: 10.1073/pnas.1903080116  1
2019 Grabowski E, Letelier RM, Laws EA, Karl DM. Coupling carbon and energy fluxes in the North Pacific Subtropical Gyre. Nature Communications. 10: 1895. PMID 31028256 DOI: 10.1038/s41467-019-09772-z  1
2019 Sosa OA, Casey JR, Karl DM. Methylphosphonate oxidation in supports phosphate acquisition, formate excretion, and carbon assimilation into purines. Applied and Environmental Microbiology. PMID 31028025 DOI: 10.1128/AEM.00289-19  1
2019 Sosa OA, Repeta DJ, DeLong EF, Ashkezari MD, Karl DM. Phosphate-limited ocean regions select for bacterial populations enriched in the carbon-phosphorus lyase pathway for phosphonate degradation. Environmental Microbiology. PMID 30972938 DOI: 10.1111/1462-2920.14628  1
2018 Royer SJ, Ferrón S, Wilson ST, Karl DM. Production of methane and ethylene from plastic in the environment. Plos One. 13: e0200574. PMID 30067755 DOI: 10.1371/journal.pone.0200574  1
2018 Follett CL, Dutkiewicz S, Karl DM, Inomura K, Follows MJ. Seasonal resource conditions favor a summertime increase in North Pacific diatom-diazotroph associations. The Isme Journal. PMID 29449611 DOI: 10.1038/s41396-017-0012-x  0.44
2017 Casey JR, Ferrón S, Karl DM. Light-Enhanced Microbial Organic Carbon Yield. Frontiers in Microbiology. 8: 2157. PMID 29250035 DOI: 10.3389/fmicb.2017.02157  1
2017 Sosa OA, Repeta DJ, Ferrón S, Bryant JA, Mende DR, Karl DM, DeLong EF. Isolation and Characterization of Bacteria That Degrade Phosphonates in Marine Dissolved Organic Matter. Frontiers in Microbiology. 8: 1786. PMID 29085339 DOI: 10.3389/fmicb.2017.01786  1
2017 Mende DR, Bryant JA, Aylward FO, Eppley JM, Nielsen T, Karl DM, DeLong EF. Environmental drivers of a microbial genomic transition zone in the ocean's interior. Nature Microbiology. PMID 28808230 DOI: 10.1038/s41564-017-0008-3  1
2017 Wilson ST, Aylward FO, Ribalet F, Barone B, Casey JR, Connell PE, Eppley JM, Ferrón S, Fitzsimmons JN, Hayes CT, Romano AE, Turk-Kubo KA, Vislova A, Armbrust EV, Caron DA, ... ... Karl DM, et al. Coordinated regulation of growth, activity and transcription in natural populations of the unicellular nitrogen-fixing cyanobacterium Crocosphaera. Nature Microbiology. 2: 17118. PMID 28758990 DOI: 10.1038/nmicrobiol.2017.118  1
2017 Eichner MJ, Klawonn I, Wilson ST, Littmann S, Whitehouse MJ, Church MJ, Kuypers MM, Karl DM, Ploug H. Chemical microenvironments and single-cell carbon and nitrogen uptake in field-collected colonies of Trichodesmium under different pCO2. The Isme Journal. PMID 28398346 DOI: 10.1038/ismej.2017.15  1
2016 Casey JR, Mardinoglu A, Nielsen J, Karl DM. Adaptive Evolution of Phosphorus Metabolism in Prochlorococcus. Msystems. 1. PMID 27868089 DOI: 10.1128/mSystems.00065-16  1
2016 Bryant JA, Clemente TM, Viviani DA, Fong AA, Thomas KA, Kemp P, Karl DM, White AE, DeLong EF. Diversity and Activity of Communities Inhabiting Plastic Debris in the North Pacific Gyre. Msystems. 1. PMID 27822538 DOI: 10.1128/mSystems.00024-16  1
2016 Rouco M, Haley ST, Alexander H, Wilson ST, Karl DM, Dyhrman ST. Variable depth distribution of Trichodesmium clades in the North Pacific Ocean. Environmental Microbiology Reports. PMID 27753237 DOI: 10.1111/1758-2229.12488  1
2016 Karl DM. Paul G. Falkowski . 2015. Life's Engines: How Microbes Made Earth Habitable. Princeton University Press, Princeton, NJ, U.S.A., ISBN 978-0-691-15537, 205 pp., $24.95 Limnology and Oceanography Bulletin. DOI: 10.1002/lob.10088  1
2016 Rii YM, Duhamel S, Bidigare RR, Karl DM, Repeta DJ, Church MJ. Diversity and productivity of photosynthetic picoeukaryotes in biogeochemically distinct regions of the South East Pacific Ocean Limnology and Oceanography. 61: 806-824. DOI: 10.1002/lno.10255  1
2016 Diaz JM, Björkman KM, Haley ST, Ingall ED, Karl DM, Longo AF, Dyhrman ST. Polyphosphate dynamics at Station ALOHA, North Pacific subtropical gyre Limnology and Oceanography. 61: 227-239. DOI: 10.1002/lno.10206  0.52
2015 White AE, Letelier RM, Whitmire AL, Barone B, Bidigare RR, Church MJ, Karl DM. Phenology of particle size distributions and primary productivity in the North Pacific subtropical gyre (Station ALOHA). Journal of Geophysical Research. Oceans. 120: 7381-7399. PMID 27812434 DOI: 10.1002/2015JC010897  1
2015 Björkman KM, Church MJ, Doggett JK, Karl DM. Differential Assimilation of Inorganic Carbon and Leucine by Prochlorococcus in the Oligotrophic North Pacific Subtropical Gyre. Frontiers in Microbiology. 6: 1401. PMID 26733953 DOI: 10.3389/fmicb.2015.01401  1
2015 Bryant JA, Aylward FO, Eppley JM, Karl DM, Church MJ, DeLong EF. Wind and sunlight shape microbial diversity in surface waters of the North Pacific Subtropical Gyre. The Isme Journal. PMID 26645474 DOI: 10.1038/ismej.2015.221  1
2015 Alexander H, Rouco M, Haley ST, Wilson ST, Karl DM, Dyhrman ST. Functional group-specific traits drive phytoplankton dynamics in the oligotrophic ocean. Proceedings of the National Academy of Sciences of the United States of America. PMID 26460011 DOI: 10.1073/pnas.1518165112  1
2015 Fontanez KM, Eppley JM, Samo TJ, Karl DM, DeLong EF. Microbial community structure and function on sinking particles in the North Pacific Subtropical Gyre. Frontiers in Microbiology. 6: 469. PMID 26042105 DOI: 10.3389/fmicb.2015.00469  1
2015 Casey JR, Falkowski PG, Karl DM. Substrate selection for heterotrophic bacterial growth in the sea Marine Chemistry. 177: 349-356. DOI: 10.1016/j.marchem.2015.06.032  1
2015 Martínez-García S, Karl DM. Microbial respiration in the euphotic zone at Station ALOHA Limnology and Oceanography. 60: 1039-1050. DOI: 10.1002/lno.10072  1
2015 White AE, Letelier RM, Whitmire AL, Barone B, Bidigare RR, Church MJ, Karl DM. Phenology of particle size distributions and primary productivity in the North Pacific subtropical gyre (Station ALOHA) Journal of Geophysical Research: Oceans. 120: 7381-7399. DOI: 10.1002/2015JC010897  0.52
2015 Barone B, Bidigare RR, Church MJ, Karl DM, Letelier RM, White AE. Particle distributions and dynamics in the euphotic zone of the North Pacific Subtropical Gyre Journal of Geophysical Research C: Oceans. 120: 3229-3247. DOI: 10.1002/2015JC010774  1
2015 Ferrõn S, Wilson ST, Martínez-García S, Quay PD, Karl DM. Metabolic balance in the mixed layer of the oligotrophic North Pacific Ocean from diel changes in O2/Ar saturation ratios Geophysical Research Letters. 42: 3421-3430. DOI: 10.1002/2015GL063555  1
2015 Nicholson DP, Wilson ST, Doney SC, Karl DM. Quantifying subtropical North Pacific gyre mixed layer primary productivity from Seaglider observations of diel oxygen cycles Geophysical Research Letters. 42: 4032-4039. DOI: 10.1002/2015GL063065  1
2015 Wilson ST, Barone B, Ascani F, Bidigare RR, Church MJ, del Valle DA, Dyhrman ST, Ferrón S, Fitzsimmons JN, Juranek LW, Kolber ZS, Letelier RM, Martínez-García S, Nicholson DP, Richards KJ, ... ... Karl DM, et al. Short-term variability in euphotic zone biogeochemistry and primary productivity at Station ALOHA: A case study of summer 2012 Global Biogeochemical Cycles. DOI: 10.1002/2015GB005141  0.52
2014 Durham BP, Grote J, Whittaker KA, Bender SJ, Luo H, Grim SL, Brown JM, Casey JR, Dron A, Florez-Leiva L, Krupke A, Luria CM, Mine AH, Nigro OD, Pather S, ... ... Karl DM, et al. Draft genome sequence of marine alphaproteobacterial strain HIMB11, the first cultivated representative of a unique lineage within the Roseobacter clade possessing an unusually small genome. Standards in Genomic Sciences. 9: 632-45. PMID 25197450 DOI: 10.4056/sigs.4998989  1
2014 Karl DM, Church MJ. Microbial oceanography and the Hawaii Ocean Time-series programme. Nature Reviews. Microbiology. 12: 699-713. PMID 25157695 DOI: 10.1038/nrmicro3333  1
2014 Robidart JC, Church MJ, Ryan JP, Ascani F, Wilson ST, Bombar D, Marin R, Richards KJ, Karl DM, Scholin CA, Zehr JP. Ecogenomic sensor reveals controls on N2-fixing microorganisms in the North Pacific Ocean. The Isme Journal. 8: 1175-85. PMID 24477197 DOI: 10.1038/ismej.2013.244  1
2014 Karl DM. Microbially mediated transformations of phosphorus in the sea: new views of an old cycle. Annual Review of Marine Science. 6: 279-337. PMID 24405427 DOI: 10.1146/annurev-marine-010213-135046  1
2014 Sharma AK, Becker JW, Ottesen EA, Bryant JA, Duhamel S, Karl DM, Cordero OX, Repeta DJ, DeLong EF. Distinct dissolved organic matter sources induce rapid transcriptional responses in coexisting populations of Prochlorococcus, Pelagibacter and the OM60 clade. Environmental Microbiology. 16: 2815-30. PMID 24118765 DOI: 10.1111/1462-2920.12254  1
2014 Karl DM. The contemporary challenge of the sea: Science, society, and sustainability Oceanography. 27: 208-225. DOI: 10.5670/oceanog.2014.57  1
2014 Luo YW, Lima ID, Karl DM, Deutsch CA, Doney SC. Data-based assessment of environmental controls on global marine nitrogen fixation Biogeosciences. 11: 691-708. DOI: 10.5194/bg-11-691-2014  1
2014 Duhamel S, Björkman KM, Doggett JK, Karl DM. Microbial response to enhanced phosphorus cycling in the North Pacific Subtropical Gyre Marine Ecology Progress Series. 504: 43-58. DOI: 10.3354/meps10757  1
2014 Del Valle DA, Karl DM. Aerobic production of methane from dissolved water-column methylphosphonate and sinking particles in the North Pacific Subtropical Gyre Aquatic Microbial Ecology. 73: 93-105. DOI: 10.3354/ame01714  1
2014 Bombar D, Taylor CD, Wilson ST, Robidart JC, Rabines A, Turk-Kubo KA, Kemp JN, Karl DM, Zehr JP. Measurements of nitrogen fixation in the oligotrophic North Pacific Subtropical Gyre using a free-drifting submersible incubation device Journal of Plankton Research. 37: 727-739. DOI: 10.1093/plankt/fbv049  1
2014 Bidigare RR, Buttler FR, Christensen SJ, Barone B, Karl DM, Wilson ST. Evaluation of the utility of xanthophyll cycle pigment dynamics for assessing upper ocean mixing processes at Station ALOHA Journal of Plankton Research. 36: 1423-1433. DOI: 10.1093/plankt/fbu069  1
2014 Laws EA, Letelier RM, Karl DM. Estimating the compensation irradiance in the ocean: The importance of accounting for non-photosynthetic uptake of inorganic carbon Deep-Sea Research Part I: Oceanographic Research Papers. 93: 35-40. DOI: 10.1016/j.dsr.2014.07.011  1
2014 Wilson ST, del Valle DA, Segura-Noguera M, Karl DM. A role for nitrite in the production of nitrous oxide in the lower euphotic zone of the oligotrophic North Pacific Ocean Deep-Sea Research Part I: Oceanographic Research Papers. 85: 47-55. DOI: 10.1016/j.dsr.2013.11.008  1
2014 Karl DM, Björkman KM. Dynamics of Dissolved Organic Phosphorus Biogeochemistry of Marine Dissolved Organic Matter: Second Edition. 233-334. DOI: 10.1016/B978-0-12-405940-5.00005-4  1
2014 Dore JE, Church MJ, Karl DM, Sadler DW, Letelier RM. Paired windward and leeward biogeochemical time series reveal consistent surface ocean CO<inf>2</inf> trends across the Hawaiian Ridge Geophysical Research Letters. 41: 6459-6467. DOI: 10.1002/2014GL060725  1
2014 Böttjer D, Karl DM, Letelier RM, Viviani DA, Church MJ. Experimental assessment of diazotroph responses to elevated seawater pCO2 in the North Pacific Subtropical Gyre Global Biogeochemical Cycles. 28: 601-616. DOI: 10.1002/2013GB004690  1
2013 Martínez A, Ventouras LA, Wilson ST, Karl DM, Delong EF. Metatranscriptomic and functional metagenomic analysis of methylphosphonate utilization by marine bacteria. Frontiers in Microbiology. 4: 340. PMID 24324460 DOI: 10.3389/fmicb.2013.00340  1
2013 Wilson ST, del Valle DA, Robidart JC, Zehr JP, Karl DM. Dissolved hydrogen and nitrogen fixation in the oligotrophic North Pacific Subtropical Gyre. Environmental Microbiology Reports. 5: 697-704. PMID 24115620 DOI: 10.1111/1758-2229.12069  1
2013 Flombaum P, Gallegos JL, Gordillo RA, Rincón J, Zabala LL, Jiao N, Karl DM, Li WK, Lomas MW, Veneziano D, Vera CS, Vrugt JA, Martiny AC. Present and future global distributions of the marine Cyanobacteria Prochlorococcus and Synechococcus. Proceedings of the National Academy of Sciences of the United States of America. 110: 9824-9. PMID 23703908 DOI: 10.1073/pnas.1307701110  1
2013 Hunt DE, Lin Y, Church MJ, Karl DM, Tringe SG, Izzo LK, Johnson ZI. Relationship between abundance and specific activity of bacterioplankton in open ocean surface waters. Applied and Environmental Microbiology. 79: 177-84. PMID 23087033 DOI: 10.1128/AEM.02155-12  1
2013 Peloquin J, Swan C, Gruber N, Vogt M, Claustre H, Ras J, Uitz J, Barlow R, Behrenfeld M, Bidigare R, Dierssen H, Ditullio G, Fernandez E, Gallienne C, Gibb S, ... ... Karl D, et al. The MAREDAT global database of high performance liquid chromatography marine pigment measurements Earth System Science Data. 5: 109-123. DOI: 10.5194/essd-5-109-2013  1
2013 Martínez-García S, Fernández E, Del Valle DA, Karl DM, Teira E. Experimental assessment of marine bacterial respiration Aquatic Microbial Ecology. 70: 189-205. DOI: 10.3354/ame01644  1
2013 Li B, Karl DM, Letelier RM, Bidigare RR, Church MJ. Variability of chromophytic phytoplankton in the North Pacific Subtropical Gyre Deep-Sea Research Part Ii: Topical Studies in Oceanography. 93: 84-95. DOI: 10.1016/j.dsr2.2013.03.007  1
2013 Karl DM, Schlesinger WH. Volume Editor's Introduction Treatise On Geochemistry: Second Edition. 10: xxiii-xxvi. DOI: 10.1016/B978-0-08-095975-7.09983-6  1
2012 Wilson ST, Kolber ZS, Tozzi S, Zehr JP, Karl DM. NITROGEN FIXATION, HYDROGEN CYCLING, AND ELECTRON TRANSPORT KINETICS IN TRICHODESMIUM ERYTHRAEUM (CYANOBACTERIA) STRAIN IMS101(1). Journal of Phycology. 48: 595-606. PMID 27011075 DOI: 10.1111/j.1529-8817.2012.01166.x  1
2012 Sañudo-Wilhelmy SA, Cutter LS, Durazo R, Smail EA, Gómez-Consarnau L, Webb EA, Prokopenko MG, Berelson WM, Karl DM. Multiple B-vitamin depletion in large areas of the coastal ocean. Proceedings of the National Academy of Sciences of the United States of America. 109: 14041-5. PMID 22826241 DOI: 10.1073/pnas.1208755109  1
2012 Wilson ST, Böttjer D, Church MJ, Karl DM. Comparative assessment of nitrogen fixation methodologies, conducted in the oligotrophic North Pacific Ocean. Applied and Environmental Microbiology. 78: 6516-23. PMID 22773638 DOI: 10.1128/AEM.01146-12  1
2012 Björkman K, Duhamel S, Karl DM. Microbial group specific uptake kinetics of inorganic phosphate and adenosine-5'-triphosphate (ATP) in the north pacific subtropical gyre. Frontiers in Microbiology. 3: 189. PMID 22701449 DOI: 10.3389/fmicb.2012.00189  0.56
2012 Varaljay VA, Gifford SM, Wilson ST, Sharma S, Karl DM, Moran MA. Bacterial dimethylsulfoniopropionate degradation genes in the oligotrophic north pacific subtropical gyre. Applied and Environmental Microbiology. 78: 2775-82. PMID 22327587 DOI: 10.1128/AEM.07559-11  1
2012 Karl DM, Church MJ, Dore JE, Letelier RM, Mahaffey C. Predictable and efficient carbon sequestration in the North Pacific Ocean supported by symbiotic nitrogen fixation. Proceedings of the National Academy of Sciences of the United States of America. 109: 1842-9. PMID 22308450 DOI: 10.1073/pnas.1120312109  1
2012 Mahaffey C, Björkman KM, Karl DM. Phytoplankton response to deep seawater nutrient addition in the North Pacific Subtropical Gyre Marine Ecology Progress Series. 460: 13-34. DOI: 10.3354/meps09699  1
2012 Duhamel S, Björkman KM, Karl DM. Light dependence of phosphorus uptake by microorganisms in the Subtropical North and South Pacific Ocean Aquatic Microbial Ecology. 67: 225-238. DOI: 10.3354/ame01593  1
2012 Del Valle DA, Kiene RP, Karl DM. Effect of visible light on dimethylsulfoniopropionate assimilation and conversion to dimethylsulfide in the North Pacific Subtropical Gyre Aquatic Microbial Ecology. 66: 47-62. DOI: 10.3354/ame01557  1
2012 Wilson ST, Kolber ZS, Tozzi S, Zehr JP, Karl DM. Nitrogen fixation, hydrogen cycling, and electron transport kinetics in trichodesmium erythraeum (cyanobacteria) strain ims101 Journal of Phycology. 48: 595-606. DOI: 10.1111/j.1529-8817.2012.01166.x  1
2012 Guidi L, Calil PHR, Duhamel S, Björkman KM, Doney SC, Jackson GA, Li B, Church MJ, Tozzi S, Kolber ZS, Richards KJ, Fong AA, Letelier RM, Gorsky G, Stemmann L, ... Karl DM, et al. Does eddy-eddy interaction control surface phytoplankton distribution and carbon export in the North Pacific Subtropical Gyre? Journal of Geophysical Research: Biogeosciences. 117. DOI: 10.1029/2012JG001984  1
2012 Luo YW, Ducklow HW, Friedrichs MAM, Church MJ, Karl DM, Doney SC. Interannual variability of primary production and dissolved organic nitrogen storage in the North Pacific Subtropical Gyre Journal of Geophysical Research: Biogeosciences. 117. DOI: 10.1029/2011JG001830  1
2012 Juranek LW, Quay PD, Feely RA, Lockwood D, Karl DM, Church MJ. Biological production in the NE Pacific and its influence on air-sea CO2 flux: Evidence from dissolved oxygen isotopes and O 2/Ar Journal of Geophysical Research: Oceans. 117. DOI: 10.1029/2011JC007450  1
2012 Nicholson DP, Stanley RHR, Barkan E, Karl DM, Luz B, Quay PD, Doney SC. Evaluating triple oxygen isotope estimates of gross primary production at the Hawaii Ocean Time-series and Bermuda Atlantic Time-series Study sites Journal of Geophysical Research: Oceans. 117. DOI: 10.1029/2010JC006856  1
2011 Grote J, Bayindirli C, Bergauer K, Carpintero de Moraes P, Chen H, D'Ambrosio L, Edwards B, Fernández-Gómez B, Hamisi M, Logares R, Nguyen D, Rii YM, Saeck E, Schutte C, Widner B, ... ... Karl DM, et al. Draft genome sequence of strain HIMB100, a cultured representative of the SAR116 clade of marine Alphaproteobacteria. Standards in Genomic Sciences. 5: 269-78. PMID 22675578 DOI: 10.4056/sigs.1854551  1
2011 Joint I, Doney SC, Karl DM. Will ocean acidification affect marine microbes Isme Journal. 5: 1-7. PMID 20535222 DOI: 10.1038/ismej.2010.79  1
2011 Li B, Karl DM, Letelier RM, Church MJ. Size-dependent photosynthetic variability in the North Pacific Subtropical Gyre Marine Ecology Progress Series. 440: 27-40. DOI: 10.3354/meps09345  1
2011 Viviani DA, Björkman KM, Karl DM, Church MJ. Plankton metabolism in surface waters of the tropical and subtropical Pacific Ocean Aquatic Microbial Ecology. 62: 1-12. DOI: 10.3354/ame01451  1
2011 Brzezinski MA, Krause JW, Church MJ, Karl DM, Li B, Jones JL, Updyke B. The annual silica cycle of the North Pacific subtropical gyre Deep-Sea Research Part I: Oceanographic Research Papers. 58: 988-1001. DOI: 10.1016/j.dsr.2011.08.001  1
2010 Wilson ST, Tozzi S, Foster RA, Ilikchyan I, Kolber ZS, Zehr JP, Karl DM. Hydrogen cycling by the unicellular marine diazotroph Crocosphaera watsonii strain WH8501. Applied and Environmental Microbiology. 76: 6797-803. PMID 20709832 DOI: 10.1128/AEM.01202-10  1
2010 Johnson KS, Riser SC, Karl DM. Nitrate supply from deep to near-surface waters of the North Pacific subtropical gyre. Nature. 465: 1062-5. PMID 20577212 DOI: 10.1038/nature09170  1
2010 Church MJ, Wai B, Karl DM, DeLong EF. Abundances of crenarchaeal amoA genes and transcripts in the Pacific Ocean. Environmental Microbiology. 12: 679-88. PMID 20002133 DOI: 10.1111/j.1462-2920.2009.02108.x  1
2010 Bonnet S, Webb EA, Panzeca C, Karl DM, Capone DG, Sañudo-Wilhelmy SA. Vitamin B12 excretion by cultures of the marine cyanobacteria Crocosphaera and Synechococcus Limnology and Oceanography. 55: 1959-1964. DOI: 10.4319/lo.2010.55.5.1959  1
2010 Beversdorf LJ, White AE, Björkman KM, Letelier RM, Karl DM. Phosphonate metabolism of Trichodesmium IMS101 and the production of greenhouse gases Limnology and Oceanography. 55: 1768-1778. DOI: 10.4319/lo.2010.55.4.1768  1
2010 Duhamel S, Dyhrman ST, Karl DM. Alkaline phosphatase activity and regulation in the North Pacific Subtropical Gyre Limnology and Oceanography. 55: 1414-1425. DOI: 10.4319/lo.2010.55.3.1414  1
2010 Wilson ST, Foster RA, Zehr JP, Karl DM. Hydrogen production by Trichodesmium erythraeum Cyanothece sp. and Crocosphaera watsonii Aquatic Microbial Ecology. 59: 197-206. DOI: 10.3354/ame01407  1
2010 Quay PD, Peacock C, Bjrkman K, Karl DM. Measuring primary production rates in the ocean: Enigmatic results between incubation and non-incubation methods at Station ALOHA Global Biogeochemical Cycles. 24. DOI: 10.1029/2009GB003665  1
2010 Saba VS, Friedrichs MAM, Carr ME, Antoine D, Armstrong RA, Asanuma I, Aumont O, Bates NR, Behrenfeld MJ, Bennington V, Bopp L, Bruggeman J, Buitenhuis ET, Church MJ, Ciotti AM, ... ... Karl DM, et al. Challenges of modeling depth-integrated marine primary productivity over multiple decades: A case study at BATS and HOT Global Biogeochemical Cycles. 24. DOI: 10.1029/2009GB003655  1
2010 Karl DM. Oceanic ecosystem time-series programs: Ten Lessons Learned Oceanography. 23: 106-125.  1
2009 Dore JE, Lukas R, Sadler DW, Church MJ, Karl DM. Physical and biogeochemical modulation of ocean acidification in the central North Pacific. Proceedings of the National Academy of Sciences of the United States of America. 106: 12235-40. PMID 19666624 DOI: 10.1073/pnas.0906044106  1
2009 Konstantinidis KT, Braff J, Karl DM, DeLong EF. Comparative metagenomic analysis of a microbial community residing at a depth of 4,000 meters at station ALOHA in the North Pacific subtropical gyre. Applied and Environmental Microbiology. 75: 5345-55. PMID 19542347 DOI: 10.1128/AEM.00473-09  1
2009 Eiler A, Hayakawa DH, Church MJ, Karl DM, Rappé MS. Dynamics of the SAR11 bacterioplankton lineage in relation to environmental conditions in the oligotrophic North Pacific subtropical gyre. Environmental Microbiology. 11: 2291-300. PMID 19490029 DOI: 10.1111/j.1462-2920.2009.01954.x  1
2009 Bowler C, Karl DM, Colwell RR. Microbial oceanography in a sea of opportunity. Nature. 459: 180-4. PMID 19444203 DOI: 10.1038/nature08056  1
2009 Van Mooy BA, Fredricks HF, Pedler BE, Dyhrman ST, Karl DM, Koblízek M, Lomas MW, Mincer TJ, Moore LR, Moutin T, Rappé MS, Webb EA. Phytoplankton in the ocean use non-phosphorus lipids in response to phosphorus scarcity. Nature. 458: 69-72. PMID 19182781 DOI: 10.1038/nature07659  1
2009 Sigman DM, DiFiore PJ, Hain MP, Deutsch C, Karl DM. Sinking organic matter spreads the nitrogen isotope signal of pelagic denitrification in the North Pacific Geophysical Research Letters. 36. DOI: 10.1029/2008GL035784  1
2009 Church MJ, Mahaffey C, Letelier RM, Lukas R, Zehr JP, Karl DM. Physical forcing of nitrogen fixation and diazotroph community structure in the North Pacific subtropical gyre Global Biogeochemical Cycles. 23. DOI: 10.1029/2008GB003418  1
2009 Sigman DM, DiFiore PJ, Hain MP, Deutsch C, Wang Y, Karl DM, Knapp AN, Lehmann MF, Pantoja S. The dual isotopes of deep nitrate as a constraint on the cycle and budget of oceanic fixed nitrogen Deep-Sea Research Part I: Oceanographic Research Papers. 56: 1419-1439. DOI: 10.1016/j.dsr.2009.04.007  1
2009 Hannides CCS, Landry MR, Benitez-Nelson CR, Styles RM, Montoya JP, Karl DM. Export stoichiometry and migrant-mediated flux of phosphorus in the North Pacific Subtropical Gyre Deep-Sea Research Part I: Oceanographic Research Papers. 56: 73-88. DOI: 10.1016/j.dsr.2008.08.003  1
2008 Fong AA, Karl DM, Lukas R, Letelier RM, Zehr JP, Church MJ. Nitrogen fixation in an anticyclonic eddy in the oligotrophic North Pacific Ocean. The Isme Journal. 2: 663-76. PMID 18309359 DOI: 10.1038/ismej.2008.22  1
2008 Buesseler KO, Doney SC, Karl DM, Boyd PW, Caldeira K, Chai F, Coale KH, de Baar HJ, Falkowski PG, Johnson KS, Lampitt RS, Michaels AF, Naqvi SW, Smetacek V, Takeda S, et al. Environment. Ocean iron fertilization--moving forward in a sea of uncertainty. Science (New York, N.Y.). 319: 162. PMID 18187642 DOI: 10.1126/science.1154305  1
2008 Letelier RM, Strutton PG, Karl DM. Physical and ecological uncertainties in the widespread implementation of controlled upwelling in the North Pacific Subtropical Gyre Marine Ecology Progress Series. 371: 305-308. DOI: 10.3354/meps07773  1
2008 Karl DM, Letelier RM. Nitrogen fixation-enhanced carbon sequestration in low nitrate, low chlorophyll seascapes Marine Ecology Progress Series. 364: 257-268. DOI: 10.3354/meps07547  1
2008 Grabowski MNW, Church MJ, Karl DM. Nitrogen fixation rates and controls at Stn ALOHA Aquatic Microbial Ecology. 52: 175-183. DOI: 10.3354/ame01209  1
2008 Karl DM, Beversdorf L, Björkman KM, Church MJ, Martinez A, Delong EF. Aerobic production of methane in the sea Nature Geoscience. 1: 473-478. DOI: 10.1038/ngeo234  1
2008 Dore JE, Letelier RM, Church MJ, Lukas R, Karl DM. Summer phytoplankton blooms in the oligotrophic North Pacific Subtropical Gyre: Historical perspective and recent observations Progress in Oceanography. 76: 2-38. DOI: 10.1016/j.pocean.2007.10.002  1
2008 Ducklow HW, Erickson M, Kelly J, Montes-Hugo M, Ribic CA, Smith RC, Stammerjohn SE, Karl DM. Particle export from the upper ocean over the continental shelf of the west Antarctic Peninsula: A long-term record, 1992-2007 Deep-Sea Research Part Ii: Topical Studies in Oceanography. 55: 2118-2131. DOI: 10.1016/j.dsr2.2008.04.028  1
2008 Buesseler KO, Trull TW, Steinberg DK, Silver MW, Siegel DA, Saitoh SI, Lamborg CH, Lam PJ, Karl DM, Jiao NZ, Honda MC, Elskens M, Dehairs F, Brown SL, Boyd PW, et al. VERTIGO (VERtical Transport In the Global Ocean): A study of particle sources and flux attenuation in the North Pacific Deep-Sea Research Part Ii: Topical Studies in Oceanography. 55: 1522-1539. DOI: 10.1016/j.dsr2.2008.04.024  1
2008 Rii YM, Brown SL, Nencioli F, Kuwahara V, Dickey T, Karl DM, Bidigare RR. The transient oasis: Nutrient-phytoplankton dynamics and particle export in Hawaiian lee cyclones Deep-Sea Research Part Ii: Topical Studies in Oceanography. 55: 1275-1290. DOI: 10.1016/j.dsr2.2008.01.013  1
2008 McAndrew PM, Bidigare RR, Karl DM. Primary production and implications for metabolic balance in Hawaiian lee eddies Deep-Sea Research Part Ii: Topical Studies in Oceanography. 55: 1300-1309. DOI: 10.1016/j.dsr2.2008.01.004  1
2008 Karl DM, Bidigare RR, Church MJ, Dore JE, Letelier RM, Mahaffey C, Zehr JP. The Nitrogen Cycle in the North Pacific Trades Biome: An Evolving Paradigm Nitrogen in the Marine Environment. 705-769. DOI: 10.1016/B978-0-12-372522-6.00016-5  1
2008 Corno G, Letelier RM, Abbott MR, Karl DM. Temporal and vertical variability in photosynthesis in the North Pacific Subtropical Gyre Limnology and Oceanography. 53: 1252-1265.  1
2008 Church MJ, Björkman KM, Karl DM, Saito MA, Zehr JP. Regional distributions of nitrogen-fixing bacteria in the Pacific Ocean Limnology and Oceanography. 53: 63-77.  1
2007 Karl DM. Microbial oceanography: paradigms, processes and promise. Nature Reviews. Microbiology. 5: 759-69. PMID 17853905 DOI: 10.1038/nrmicro1749  1
2007 Mincer TJ, Church MJ, Taylor LT, Preston C, Karl DM, DeLong EF. Quantitative distribution of presumptive archaeal and bacterial nitrifiers in Monterey Bay and the North Pacific Subtropical Gyre. Environmental Microbiology. 9: 1162-75. PMID 17472632 DOI: 10.1111/j.1462-2920.2007.01239.x  1
2007 Buesseler KO, Lamborg CH, Boyd PW, Lam PJ, Trull TW, Bidigare RR, Bishop JK, Casciotti KL, Dehairs F, Elskens M, Honda M, Karl DM, Siegel DA, Silver MW, Steinberg DK, et al. Revisiting carbon flux through the ocean's twilight zone. Science (New York, N.Y.). 316: 567-70. PMID 17463282 DOI: 10.1126/science.1137959  1
2007 Rusch DB, Halpern AL, Sutton G, Heidelberg KB, Williamson S, Yooseph S, Wu D, Eisen JA, Hoffman JM, Remington K, Beeson K, Tran B, Smith H, Baden-Tillson H, Stewart C, ... ... Karl DM, et al. The Sorcerer II Global Ocean Sampling expedition: northwest Atlantic through eastern tropical Pacific. Plos Biology. 5: e77. PMID 17355176 DOI: 10.1371/journal.pbio.0050077  1
2007 McAndrew PM, Björkman KM, Church MJ, Morris PJ, Jachowski N, Williams PJLB, Karl DM. Metabolic response of oligotrophic plankton communities to deep water nutrient enrichment Marine Ecology Progress Series. 332: 63-75. DOI: 10.3354/meps332063  1
2007 Corno G, Karl DM, Church MJ, Letelier RM, Lukas R, Bidigare RR, Abbott MR. Impact of climate forcing on ecosystem processes in the North Pacific Subtropical Gyre Journal of Geophysical Research: Oceans. 112. DOI: 10.1029/2006JC003730  1
2007 Karl DM. Plastics-irradiated-etched: The nuclepore® filter turns 45 years old Limnology and Oceanography Bulletin. 16: 49-54.  1
2007 Karl DM, Proctor LM. Foundations of microbial oceanography Oceanography. 20: 16-27.  1
2007 Proctor LM, Karl DM. Introduction to "A Sea of Microbes" special issue Oceanography. 20: 14-15.  1
2007 Zehr JP, Montoya JP, Jenkins BD, Hewson I, Mondragon E, Short CM, Church MJ, Hansen A, Karl DM. Experiments linking nitrogenase gene expression to nitrogen fixation in the North Pacific subtropical gyre Limnology and Oceanography. 52: 169-183.  1
2006 DeLong EF, Preston CM, Mincer T, Rich V, Hallam SJ, Frigaard NU, Martinez A, Sullivan MB, Edwards R, Brito BR, Chisholm SW, Karl DM. Community genomics among stratified microbial assemblages in the ocean's interior. Science (New York, N.Y.). 311: 496-503. PMID 16439655 DOI: 10.1126/science.1120250  1
2006 Corno G, Letelier RM, Abbott MR, Karl DM. Assessing primary production variability in the North Pacific subtropical gyre: A comparison of fast repetition rate fluorometry and 14C measurements Journal of Phycology. 42: 51-60. DOI: 10.1111/j.1529-8817.2006.00163.x  1
2006 Ducklow HW, Fraser W, Karl DM, Quetin LB, Ross RM, Smith RC, Stammerjohn SE, Vernet M, Daniels RM. Water-column processes in the West Antarctic Peninsula and the Ross Sea: Interannual variations and foodweb structure Deep-Sea Research Part Ii: Topical Studies in Oceanography. 53: 834-852. DOI: 10.1016/j.dsr2.2006.02.009  1
2006 Brix H, Gruber N, Karl DM, Bates NR. On the relationships between primary, net community, and export production in subtropical gyres Deep-Sea Research Part Ii: Topical Studies in Oceanography. 53: 698-717. DOI: 10.1016/j.dsr2.2006.01.024  1
2006 Church MJ, Ducklow HW, Letelier RM, Karl DM. Temporal and vertical dynamics in picoplankton photoheterotrophic production in the subtropical North Pacific Ocean Aquatic Microbial Ecology. 45: 41-53.  1
2006 White AE, Spitz YH, Karl DM, Letelier RM. Flexible elemental stoichiometry in Trichodesmium spp. and its ecological implications Limnology and Oceanography. 51: 1777-1790.  1
2005 DeLong EF, Karl DM. Genomic perspectives in microbial oceanography. Nature. 437: 336-42. PMID 16163343 DOI: 10.1038/nature04157  1
2005 Church MJ, Short CM, Jenkins BD, Karl DM, Zehr JP. Temporal patterns of nitrogenase gene (nifH) expression in the oligotrophic North Pacific Ocean. Applied and Environmental Microbiology. 71: 5362-70. PMID 16151126 DOI: 10.1128/AEM.71.9.5362-5370.2005  1
2005 Colman AS, Blake RE, Karl DM, Fogel ML, Turekian KK. Marine phosphate oxygen isotopes and organic matter remineralization in the oceans. Proceedings of the National Academy of Sciences of the United States of America. 102: 13023-8. PMID 16141319 DOI: 10.1073/pnas.0506455102  1
2005 Prahl FG, Popp BN, Karl DM, Sparrow MA. Ecology and biogeochemistry of alkenone production at Station ALOHA Deep-Sea Research Part I: Oceanographic Research Papers. 52: 699-719. DOI: 10.1016/j.dsr.2004.12.001  1
2005 Björkman KM, Karl DM. Presence of dissolved nucleotides in the North Pacific Subtropical Gyre and their role in cycling of dissolved organic phosphorus Aquatic Microbial Ecology. 39: 193-203.  1
2005 Church MJ, Jenkins BD, Karl DM, Zehr JP. Vertical distributions of nitrogen-fixing phylotypes at Stn ALOHA in the oligotrophic North Pacific Ocean Aquatic Microbial Ecology. 38: 3-14.  1
2004 Church MJ, Ducklow HW, Karl DM. Light dependence of [3H]leucine incorporation in the oligotrophic North Pacific ocean. Applied and Environmental Microbiology. 70: 4079-87. PMID 15240286 DOI: 10.1128/AEM.70.7.4079-4087.2004  1
2004 Sakamoto CM, Karl DM, Jannasch HW, Bidigare RR, Letelier RM, Walz PM, Ryan JP, Polito PS, Johnson KS. Influence of Rossby waves on nutrient dynamics and the plankton community structure in the North Pacific subtropical gyre Journal of Geophysical Research C: Oceans. 109. DOI: 10.1029/2003JC001976  1
2004 Williams PJLB, Morris PJ, Karl DM. Net community production and metabolic balance at the oligotrophic ocean site, station ALOHA Deep-Sea Research Part I: Oceanographic Research Papers. 51: 1563-1578. DOI: 10.1016/j.dsr.2004.07.001  1
2004 Chen YLL, Chen HY, Karl DM, Takahashi M. Nitrogen modulates phytoplankton growth in spring in the South China Sea Continental Shelf Research. 24: 527-541. DOI: 10.1016/j.csr.2003.12.006  1
2004 Carrillo CJ, Smith RC, Karl DM. Processes regulating oxygen and carbon dioxide in surface waters west of the Antarctic Peninsula Marine Chemistry. 84: 161-179.  1
2004 Brum JR, Steward GF, Karl DM. A novel method for the measurement of dissolved deoxyribonucleic acid in seawater Limnology and Oceanography: Methods. 2: 248-255.  1
2004 Letelier RM, Karl DM, Abbott MR, Bidigare RR. Light driven seasonal patterns of chlorophyll and nitrate in the lower euphotic zone of the North Pacific Subtropical Gyre Limnology and Oceanography. 49: 508-519.  1
2003 Karl DM, Laws EA, Morris P, Williams PJ, Emerson S. Global carbon cycle: metabolic balance of the open sea. Nature. 426: 32. PMID 14603308 DOI: 10.1038/426032a  1
2003 de la Torre JR, Christianson LM, Béjà O, Suzuki MT, Karl DM, Heidelberg J, DeLong EF. Proteorhodopsin genes are distributed among divergent marine bacterial taxa. Proceedings of the National Academy of Sciences of the United States of America. 100: 12830-5. PMID 14566056 DOI: 10.1073/pnas.2133554100  1
2003 Dore JE, Lukas R, Sadler DW, Karl DM. Climate-driven changes to the atmospheric CO2 sink in the subtropical North Pacific Ocean. Nature. 424: 754-7. PMID 12917678 DOI: 10.1038/nature01885  1
2003 Björkman KM, Karl DM. Bioavailability of dissolved organic phosphorus in the euphotic zone at Station ALOHA, North Pacific Subtropical Gyre Limnology and Oceanography. 48: 1049-1057.  1
2003 Bertilsson S, Berglund O, Karl DM, Chisholm SW. Elemental composition of marine Prochlorococcus and Synechococcus: Implications for the ecological stoichiometry of the sea Limnology and Oceanography. 48: 1721-1731.  1
2003 Church MJ, DeLong EF, Ducklow HW, Karner MB, Preston CM, Karl DM. Abundance and distribution of planktonic Archaea and Bacteria in the waters west of the Antarctic Peninsula Limnology and Oceanography. 48: 1893-1902.  1
2002 Karl DM. Nutrient dynamics in the deep blue sea. Trends in Microbiology. 10: 410-8. PMID 12217506 DOI: 10.1016/S0966-842X(02)02430-7  1
2002 Johnson KS, Karl DM, Chisholm SW, Falkowski PG, Cullen JJ. Is ocean fertilization credible and creditable? [1] (multiple letters) Science. 296: 467-468. PMID 11965672 DOI: 10.1126/science.296.5567.467b  1
2002 Karl DM. Hidden in a sea of microbes. Nature. 415: 590-1. PMID 11832923 DOI: 10.1038/415590b  1
2002 Fennel K, Spitz YH, Letelier RM, Abbott MR, Karl DM. A deterministic model for N2 fixation at stn. ALOHA in the subtropical North Pacific Ocean Deep-Sea Research Part Ii: Topical Studies in Oceanography. 49: 149-174. DOI: 10.1016/S0967-0645(01)00098-4  1
2002 Emerson S, Stump C, Johnson B, Karl DM. In situ determination of oxygen and nitrogen dynamics in the upper ocean Deep-Sea Research Part I: Oceanographic Research Papers. 49: 941-952. DOI: 10.1016/S0967-0637(02)00004-3  1
2002 Benitez-Nelson CR, Karl DM. Phosphorus cycling in the North Pacific Subtropical Gyre using cosmogenic 32P and 33P Limnology and Oceanography. 47: 762-770.  1
2002 Church MJ, Ducklow HW, Karl DM. Multiyear increases in dissolved organic matter inventories at Station ALOHA in the North Pacific Subtropical Gyre Limnology and Oceanography. 47: 1-10.  1
2002 Dore JE, Brum JR, Tupas LM, Karl DM. Seasonal and interannual variability in sources of nitrogen supporting export in the oligotrophic subtropical North Pacific Ocean Limnology and Oceanography. 47: 1595-1607.  1
2002 Lee K, Karl DM, Wanninkhof R, Zhang JZ. Global estimates of net carbon production in the nitrate-depleted tropical and subtropical oceans Geophysical Research Letters. 29: 13-1.  1
2001 Zehr JP, Waterbury JB, Turner PJ, Montoya JP, Omoregie E, Steward GF, Hansen A, Karl DM. Unicellular cyanobacteria fix N2 in the subtropical North Pacific Ocean. Nature. 412: 635-8. PMID 11493920 DOI: 10.1038/35088063  1
2001 Karner MB, Delong EF, Karl DM. Archaeal dominance in the mesopelagic zone of the Pacific Ocean Nature. 409: 507-510. PMID 11206545 DOI: 10.1038/35054051  1
2001 Michaels AF, Karl DM, Capone DG. Element stoichiometry, new production and nitrogen fixation Oceanography. 14: 68-77. DOI: 10.5670/oceanog.2001.08  1
2001 Ondrusek ME, Bidigare RR, Waters K, Karl DM. A predictive model for estimating rates of primary production in the subtropical North Pacific Ocean Deep-Sea Research Part Ii: Topical Studies in Oceanography. 48: 1837-1863. DOI: 10.1016/S0967-0645(00)00163-6  1
2001 Hebel DV, Karl DM. Seasonal, interannual and decadal variations in particulate matter concentrations and composition in the subtropical North Pacific Ocean Deep-Sea Research Part Ii: Topical Studies in Oceanography. 48: 1669-1695. DOI: 10.1016/S0967-0645(00)00155-7  1
2001 Karl DM, Björkman KM, Dore JE, Fujieki L, Hebel DV, Houlihan T, Letelier RM, Tupas LM. Ecological nitrogen-to-phosphorus stoichiometry at station ALOHA Deep-Sea Research Part Ii: Topical Studies in Oceanography. 48: 1529-1566. DOI: 10.1016/S0967-0645(00)00152-1  1
2001 Karl DM, Bidigare RR, Letelier RM. Long-term changes in plankton community structure and productivity in the North Pacific Subtropical Gyre: The domain shift hypothesis Deep-Sea Research Part Ii: Topical Studies in Oceanography. 48: 1449-1470. DOI: 10.1016/S0967-0645(00)00149-1  1
2001 Siegel DA, Karl DM, Michaels AF. Interpretations of biogeochemical processes from the US JGOFS Bermuda and Hawaii time-series sites Deep-Sea Research Part Ii: Topical Studies in Oceanography. 48: 1403-1404. DOI: 10.1016/S0967-0645(00)00147-8  1
2001 Cavender-Bares KK, Karl DM, Chisholm SW. Nutrient gradients in the western North Atlantic Ocean: Relationship to microbial community structure and comparison to patterns in the Pacific Ocean Deep-Sea Research Part I: Oceanographic Research Papers. 48: 2373-2395. DOI: 10.1016/S0967-0637(01)00027-9  1
2001 Karl DM, Björkman KM. Phosphorus cycle in seawater: Dissolved and particulate pool inventories and selected phosphorus fluxes Methods in Microbiology. 30: 239-270.  1
2001 Karl DM, Dore JE. Microbial ecology at sea: Sampling, subsampling and incubation considerations Methods in Microbiology. 30: 13-39.  1
2000 Wu J, Sunda W, Boyle EA, Karl DM. Phosphate depletion in the western North Atlantic Ocean. Science (New York, N.Y.). 289: 759-62. PMID 10926534 DOI: 10.1126/science.289.5480.759  1
2000 Karl DM. Aquatic ecology: Phosphorus, the staff of life Nature. 406: 31-33. PMID 10894527  1
2000 Karl DM. A new source of 'new' nitrogen in the sea Trends in Microbiology. 8: 301. PMID 10878761 DOI: 10.1016/S0966-842X(00)01774-1  1
2000 YUAN-HUILI, Karl DM, Winn CD, Mackenzie FT, Gans K. Remineralization ratios in the subtropical north pacific gyre Aquatic Geochemistry. 6: 65-86. DOI: 10.1023/A:1009676300859  1
2000 Ostrom NE, Russ ME, Popp B, Rust TM, Karl DM. Mechanisms of nitrous oxide production in the subtropical North Pacific based on determinations of the isotopic abundances of nitrous oxide and di-oxygen Chemosphere - Global Change Science. 2: 281-290. DOI: 10.1016/S1465-9972(00)00031-3  1
2000 Björkman K, Thomson-Bulldis AL, Karl DM. Phosphorus dynamics in the North Pacific subtropical gyre Aquatic Microbial Ecology. 22: 185-198.  1
2000 Trees CC, Bidigare RR, Karl DM, Van Heukelem L. Fluorometric chlorophyll a: Sampling, laboratory methods, and data analysis protocols Nasa Technical Memorandum. 162-169.  1
1999 Karl DM. A farewell tribute to the Antarctic research vessel polar duke Oceanography. 12: 7-18. DOI: 10.5670/oceanog.1999.21  1
1999 Bell RE, Karl DM. Evolutionary processes a focus of decade-long ecosystem study of antarctic's lake vostok Eos. 80: 573-579. DOI: 10.1029/EO080i048p00573-02  1
1999 Scharek R, Latasa M, Karl DM, Bidigare RR. Temporal variations in diatom abundance and downward vertical flux in the oligotrophic North Pacific gyre Deep-Sea Research Part I: Oceanographic Research Papers. 46: 1051-1075. DOI: 10.1016/S0967-0637(98)00102-2  1
1999 Karl DM. A sea of change: Biogeochemical variability in the North Pacific Subtropical Gyre Ecosystems. 2: 181-214. DOI: 10.1007/s100219900068  1
1999 Karl DM. The changing sea: Long-term biogeochemical variability in the subtropical North Pacific Earth System Monitor. 9: 6-7,12.  1
1999 Bird DF, Karl DM. Uncoupling of bacteria and phytoplankton during the austral spring bloom in Gerlache Strait, Antarctic Peninsula Aquatic Microbial Ecology. 19: 13-27.  1
1999 Carrillo CJ, Karl DM. Dissolved inorganic carbon pool dynamics in northern Gerlache Strait, Antarctica Journal of Geophysical Research: Oceans. 104: 15873-15884.  1
1999 Scharek R, Tupas LM, Karl DM. Diatom fluxes to the deep sea in the oligotrophic North Pacific gyre at Station ALOHA Marine Ecology Progress Series. 182: 55-67.  1
1998 Dore JE, Popp BN, Karl DM, Sansone FJ. A large source of atmospheric nitrous oxide from subtropical North Pacific surface waters Nature. 396: 63-66. DOI: 10.1038/23921  1
1998 Moyer CL, Tiedje JM, Dobbs FC, Karl DM. Diversity of deep-sea hydrothermal vent archaea from Loihi Seamount, Hawaii Deep-Sea Research Part Ii: Topical Studies in Oceanography. 45: 303-317. DOI: 10.1016/S0967-0645(97)00081-7  1
1998 Winn CD, Li YH, MacKenzie FT, Karl DM. Rising surface ocean dissolved inorganic carbon at the Hawaii Ocean time-series site Marine Chemistry. 60: 33-47. DOI: 10.1016/S0304-4203(97)00085-6  1
1998 Letelier RM, Karl DM. Trichodesmium spp. physiology and nutrient fluxes in the North Pacific subtronical gyre Aquatic Microbial Ecology. 15: 265-276.  1
1998 Christian JR, Karl DM. Ectoaminopeptidase specificity and regulation in Antarctic marine pelagic microbial communities Aquatic Microbial Ecology. 15: 303-310.  1
1998 Karl DM, Hebel DV, Björkman K, Letelier RM. The role of dissolved organic matter release in the productivity of the oligotrophic North Pacific Ocean Limnology and Oceanography. 43: 1270-1286.  1
1997 Karl DM, Tien G. Temporal variability in dissolved phosphorus concentrations in the subtropical North Pacific Ocean Marine Chemistry. 56: 77-96. DOI: 10.1016/S0304-4203(96)00081-3  1
1997 Karl DM, Yanagi K. Partial characterization of the dissolved organic phosphorus pool in the oligotrophic North Pacific Ocean Limnology and Oceanography. 42: 1398-1405.  1
1997 Letelier RM, Abbott MR, Karl DM. Chlorophyll natural fluorescence response to upwelling events in the Southern Ocean Geophysical Research Letters. 24: 409-412.  1
1996 Moyer CL, Tiedje JM, Dobbs FC, Karl DM. A computer-simulated restriction fragment length polymorphism analysis of bacterial small-subunit rRNA genes: Efficacy of selected tetrameric restriction enzymes for studies of microbial diversity in nature Applied and Environmental Microbiology. 62: 2501-2507. PMID 8779589  1
1996 Jones DR, Karl DM, Laws EA. Growth rates and production of heterotrophic bacteria and phytoplankton in the North Pacific subtropical gyre Deep-Sea Research Part I: Oceanographic Research Papers. 43: 1567-1580. DOI: 10.1016/S0967-0637(96)00079-9  1
1996 Dore JE, Karl DM. Nitrite distributions and dynamics at Station ALOHA Deep-Sea Research Part Ii: Topical Studies in Oceanography. 43: 385-402.  1
1996 Feller RJ, Karl DM. The national association of marine laboratories: A connected web for studying long-term changes in U. S. coastal and marine waters Biological Bulletin. 190: 269-277.  1
1996 Dore JE, Karl DM. Nitrification in the euphotic zone as a source for nitrite, nitrate, and nitrous oxide at Station ALOHA Limnology and Oceanography. 41: 1619-1628.  1
1996 Karl DM, Lukas R. The Hawaii Ocean Time-series (HOT) program: Background, rationale and field implementation Deep-Sea Research Part Ii: Topical Studies in Oceanography. 43: 129-156.  1
1996 Letelier RM, Karl DM. Role of trichodesmium spp. in the productivity of the subtropical North Pacific Ocean Marine Ecology Progress Series. 133: 263-273.  1
1996 Letelier RM, Dore JE, Winn CD, Karl DM. Seasonal and interannual variations in photosynthetic carbon assimilation at station ALOHA Deep-Sea Research Part Ii: Topical Studies in Oceanography. 43: 467-490.  1
1995 Moyer CL, Dobbs FC, Karl DM. Phylogenetic diversity of the bacterial community from a microbial mat at an active, hydrothermal vent system, Loihi seamount, Hawaii Applied and Environmental Microbiology. 61: 1555-1562. PMID 7538279  1
1995 Sabine CL, Mackenzie FT, Winn C, Karl DM. Geochemistry of carbon dioxide in seawater at the Hawaii Ocean Time series station, ALOHA Global Biogeochemical Cycles. 9: 637-651. DOI: 10.1029/95GB02382  1
1995 Winn CD, Campbell L, Christian JR, Letelier RM, Hebel DV, Dore JE, Fujieki L, Karl DM. Seasonal variability in the phytoplankton community of the North Pacific Subtropical Gyre Global Biogeochemical Cycles. 9: 605-620. DOI: 10.1029/95GB02149  1
1995 Tilbrook BD, Karl DM. Methane sources, distributions and sinks from California coastal waters to the oligotrophic North Pacific gyre Marine Chemistry. 49: 51-64. DOI: 10.1016/0304-4203(94)00058-L  1
1995 Karl DM. HOT and the North Pacific gyre [7] Nature. 378: 22.  1
1995 Christian JR, Karl DM. Measuring bacterial ectoenzyme activities in marine waters using mercuric chloride as a preservative and a control Marine Ecology Progress Series. 123: 217-224.  1
1995 Christian JR, Karl DM. Bacterial ectoenzymes in marine waters: Activity ratios and temperature responses in three oceanographic provinces Limnology and Oceanography. 40: 1042-1049.  1
1994 Moyer CL, Dobbs FC, Karl DM. Estimation of diversity and community structure through restriction fragment length polymorphism distribution analysis of bacterial 16S rRNA genes from a microbial mat at an active, hydrothermal vent system, Loihi Seamount, Hawaii Applied and Environmental Microbiology. 60: 871-879. PMID 7512808  1
1994 Winn CD, Mackenzie FT, Carrillo CJ, Sabine CL, Karl DM. Air-sea carbon dioxide exchange in the North Pacific subtropical gyre: implications for the global carbon budget Global Biogeochemical Cycles. 8: 157-163. DOI: 10.1029/94GB00387  1
1994 Tupas LM, Popp BN, Karl DM. Dissolved organic carbon in oligotrophic waters: experiments on sample preservation, storage and analysis Marine Chemistry. 45: 207-216. DOI: 10.1016/0304-4203(94)90004-3  1
1994 Tupas LM, Koike I, Karl DM, Holm-Hansen O. Nitrogen metabolism by heterotrophic bacterial assemblages in Antarctic coastal waters Polar Biology. 14: 195-204. DOI: 10.1007/BF00240524  1
1994 Karl DM. Accurate estimation of microbial loop processes and rates Microbial Ecology. 28: 147-150. DOI: 10.1007/BF00166802  1
1994 Tilbrook BD, Karl DM. Dissolved methane distributions, sources, and sinks in the western Bransfield Strait, Antarctica Journal of Geophysical Research. 99.  1
1994 Karl DM, Tilbrook BD. Production and transport of methane in oceanic particulate organic matter Nature. 368: 732-734.  1
1994 Bjorkman K, Karl DM. Bioavilability of inorganic and organic phosphorus compounds to natural assemblages of microorganisms in Hawaiian coastal waters Marine Ecology Progress Series. 111: 265-274.  1
1994 Christian JR, Karl DM. Microbial community structure at the US-Joint Global Ocean Flux Study Station ALOHA: inverse methods for estimating biochemical indicator ratios Journal of Geophysical Research. 99.  1
1994 Baines SB, Pace ML, Karl DM. Why does the relationship between sinking flux and planktonic primary production differ between lakes and oceans? Limnology and Oceanography. 39: 213-226.  1
1993 Selph KE, Karl DM, Landry MR. Quantification of chemiluminescent DNA probes using liquid scintillation counting. Analytical Biochemistry. 210: 394-401. PMID 8512076 DOI: 10.1006/abio.1993.1213  1
1993 Karl DM, Tien G, Dore J, Winn CD. Total dissolved nitrogen and phosphorus concentrations at US-JGOFS station ALOHA: Redfield reconciliation Marine Chemistry. 41: 203-208. DOI: 10.1016/0304-4203(93)90120-D  1
1993 Sambrotto RN, Savidge G, Robinson C, Boyd P, Takahashi T, Karl DM, Langdon C, Chipman D, Marra J, Codispoti L. Elevated consumption of carbon relative to nitrogen in the surface ocean Nature. 363: 248-250.  1
1992 Harrison WG, Harris LR, Karl DM, Knauer GA, Redalje DG. Nitrogen dynamics at the VERTEX time-series site Deep Sea Research Part a, Oceanographic Research Papers. 39: 1535-1552. DOI: 10.1016/0198-0149(92)90046-V  1
1992 Karl DM. The grounding of the Bahia Paraiso: Microbial ecology of the 1989 Antarctic oil spill Microbial Ecology. 24: 77-89. DOI: 10.1007/BF00171972  1
1992 Karl DM, Tien G. MAGIC: a sensitive and precise method for measuring dissolved phosphorus in aquatic environments Limnology &Amp; Oceanography. 37: 105-116.  1
1992 Moloney CL, Huntley ME, Lopez MDG, Karl DM. Carbon and the Antarctic marine food web Science. 257: 259-260.  1
1992 Karl DM, Letelier R, Hebel DV, Bird DF, Winn CD. Trichodesmium blooms and new nitrogen in the North Pacific gyre Marine Pelagic Cyanobacteria. 219-237.  1
1991 Huntley ME, Lopez MD, Karl DM. Top predators in the Southern ocean: a major leak in the biological carbon pump. Science (New York, N.Y.). 253: 64-6. PMID 1905841  1
1991 Karl DM, Tilbrook BD, Tien G. Seasonal coupling of organic matter production and particle flux in the western Bransfield Strait, Antartica Deep Sea Research Part a, Oceanographic Research Papers. 38: 1097-1126. DOI: 10.1016/0198-0149(91)90098-Z  1
1991 Bailiff MD, Karl DM. Dissolved and particulate DNA dynamics during a spring bloom in the Antarctic Peninsula region, 1986-1987 Deep Sea Research Part a, Oceanographic Research Papers. 38: 1077-1095. DOI: 10.1016/0198-0149(91)90097-Y  1
1991 Bird DF, Karl DM. Spatial patterns of glutamate and thymidine assimilation in Bransfield Strait, antarctia during and following the austral spring bloom Deep Sea Research Part a, Oceanographic Research Papers. 38: 1057-1075. DOI: 10.1016/0198-0149(91)90096-X  1
1991 Webster MS, Roos CE, Roberts A, Okada A, Ohashi Y, O'Connor D, Mitiguy R, Matsuno S, March R, Learned JG, Karl D, Clem J, Blackinton G, Bradner H, Babson J. Mechanical stimulation of bioluminescence in the deep Pacific Ocean Deep Sea Research Part a, Oceanographic Research Papers. 38: 201-217. DOI: 10.1016/0198-0149(91)90080-Y  1
1991 Karl DM. RACER: Research on antarctic coastal ecosystem rates Deep Sea Research Part a, Oceanographic Research Papers. 38.  1
1991 Bird DF, Karl DM. Microbial biomass and population diversity in the upper water column of the Black Sea Deep-Sea Research, Part A. 38.  1
1991 Karl DM, Winn CD. A sea of change: Monitoring the oceans' carbon cycle Environmental Science and Technology. 25: 1976-1980.  1
1991 Taylor GT, Karl DM. Vertical fluxes of biogenic particles and associated biota in the eastern north Pacific: implications for biogeochemical cycling and productivity Global Biogeochemical Cycles. 5: 289-303.  1
1991 Karl DM, Knauer GA. Microbial production and particle flux in the upper 350 m of the Black Sea Deep-Sea Research, Part A. 38.  1
1990 Knauer GA, Redalje DG, Harrison WG, Karl DM. New production at the VERTEX time-series site Deep Sea Research Part a, Oceanographic Research Papers. 37: 1121-1134. DOI: 10.1016/0198-0149(90)90054-Y  1
1990 Brittain AM, Karl DM. Catabolism of tritiated thymidine by aquatic microbial communities and incorporation of tritium into RNA and protein Applied and Environmental Microbiology. 56: 1245-1254.  1
1989 Karl DM, Brittain AM, Tilbrook BD. Hydrothermal and microbial processes at Loihi Seamount, a mid-plate hot-spot volcano Deep Sea Research Part a, Oceanographic Research Papers. 36: 1655-1673. DOI: 10.1016/0198-0149(89)90065-4  1
1989 Laws EA, DiTullio GR, Betzer PR, Karl DM, Carder KL. Autotrophic production and elemental fluxes at 26°N, 155°W in the North Pacific subtropical gyre Deep Sea Research Part a, Oceanographic Research Papers. 36: 103-120. DOI: 10.1016/0198-0149(89)90021-6  1
1989 Haberstroh PR, Karl DM. Dissolved free amino acids in hydrothermal vent habitats of the Guaymas Basin Geochimica Et Cosmochimica Acta. 53: 2937-2945. DOI: 10.1016/0016-7037(89)90170-1  1
1989 Holm-Hansen O, Mitchell BG, Hewes CD, Karl DM. Phytoplankton blooms in the vicinity of palmer station, Antarctica Polar Biology. 10: 49-57. DOI: 10.1007/BF00238290  1
1988 Karl DM, Taylor GT, Novitsky JA, Jannasch HW, Wirsen CO, Pace NR, Lane DJ, Olsen GJ, Giovannoni SJ. A microbiological study of Guaymas Basin high temperature hydrothermal vents Deep Sea Research Part a, Oceanographic Research Papers. 35: 777-791. DOI: 10.1016/0198-0149(88)90030-1  1
1988 Karl DM, McMurtry GM, Malahoff A, Garcia MO. Loihi Seamount, Hawaii: A mid-plate volcano with a distinctive hydrothermal system Nature. 335: 532-535.  1
1988 Karl DM, Knauer GA, Martin JH. Downward flux of particulate organic matter in the Ocean: A particle decomposition paradox Nature. 332: 438-441.  1
1987 Martin JH, Knauer GA, Karl DM, Broenkow WW. VERTEX: carbon cycling in the northeast Pacific Deep Sea Research Part a, Oceanographic Research Papers. 34: 267-285. DOI: 10.1016/0198-0149(87)90086-0  1
1987 Bradner H, Bartlett M, Blackinton G, Clem J, Karl D, Learned J, Lewitus A, Matsuno S, O'Connor D, Peatman W, Reichle M, Roos C, Waters J, Webster M, Yarbrough M. Bioluminescence profile in the deep Pacific Ocean Deep Sea Research Part a, Oceanographic Research Papers. 34: 1831-1840. DOI: 10.1016/0198-0149(87)90057-4  1
1987 Karl DM, Jones DR, Novitsky JA, Winn CD, Bossard P. Specific growth rates of natural microbial communities measured by adenine nucleotide pool turnover Journal of Microbiological Methods. 6: 221-235. DOI: 10.1016/0167-7012(87)90051-0  1
1987 Pace ML, Knauer GA, Karl DM, Martin JH. Primary production, new production and vertical flux in the eastern Pacific Ocean Nature. 325: 803-804.  1
1986 Bossard P, Karl DM. The direct measurement of ATP and adenine nucleotide pool turnover in microorganisms: A new method for environmental assessment of metabolism, energy flux and phosphorus dynamics Journal of Plankton Research. 8: 1-13. DOI: 10.1093/plankt/8.1.1  1
1986 Winn CD, Karl DM, Massoth GJ. Microorganisms in deep-sea hydrothermal plumes Nature. 320: 744-746. DOI: 10.1038/320744a0  1
1986 Rau GH, Karl DM, Carney RS. Does inorganic carbon assimilation cause 14C depletion in deep-sea organisms? Deep Sea Research Part a, Oceanographic Research Papers. 33: 349-357. DOI: 10.1016/0198-0149(86)90096-8  1
1986 Laws EA, Jones D, Karl DM. Method for assessing heterogeneity in turnover rates within microbial communities Applied and Environmental Microbiology. 52: 866-874.  1
1985 Karl DM, Bossard P. Measurement and significance of ATP and adenine nucleotide pool turnover in microbial cells and environmental samples Journal of Microbiological Methods. 3: 125-139. DOI: 10.1016/0167-7012(85)90040-5  1
1985 Karl DM, Bossard P. Measurement of microbial nucleic acid synthesis and specific growth rate by 32PO4 and [3H]adenine: Field comparison Applied and Environmental Microbiology. 50: 706-709.  1
1984 Karl DM, Knauer GA, Martin JH, Ward BB. Bacterial chemolithotrophy in the ocean is associated with sinking particles Nature. 309: 54-56. DOI: 10.1038/309054a0  1
1984 Andrews CC, Karl DM, Small LF, Fowler SW. Metabolic activity and bioluminescence of oceanic faecal pellets and sediment trap particles Nature. 307: 539-541. DOI: 10.1038/307539a0  1
1984 Karl DM, Knauer GA. Vertical distribution, transport, and exchange of carbon in the northeast Pacific Ocean: evidence for multiple zones of biological activity Deep Sea Research Part a, Oceanographic Research Papers. 31: 221-243. DOI: 10.1016/0198-0149(84)90103-1  1
1984 Costa-Pierce BA, Craven DB, Karl DM, Laws EA. Correlation of in situ respiration rates and microbial biomass in prawn (Macrobrachium rosenbergii) ponds Aquaculture. 37: 157-168. DOI: 10.1016/0044-8486(84)90073-5  1
1984 Craven DB, Karl DM. Microbial RNA and DNA synthesis in marine sediments Marine Biology. 83: 129-139. DOI: 10.1007/BF00394720  1
1984 Winn CD, Karl DM. Laboratory calibrations of the [3H]adenine technique for measuring rates of RNA and DNA synthesis in marine microorganisms Applied and Environmental Microbiology. 47: 835-842.  1
1984 Karl DM, Knauer GA. Detritus- microbe interactions in the marine pelagic environment: selected results from the VERTEX experiment Bulletin of Marine Science. 35: 550-565.  1
1984 Karl DM, Burns DJ, Orrett K, Jannasch HW. Thermophilic microbial activity in samples from deep-sea hydrothermal vents Marine Biology Letters. 5: 227-231.  1
1984 Knauer GA, Karl DM, Martin JH, Hunter CN. In situ effects of selected preservatives on total carbon, nitrogen and metals collected in sediment traps Journal of Marine Research. 42: 445-462.  1
1983 Takano CT, Folsome CE, Karl DM. ATP as a biomass indicator for closed ecosystems Biosystems. 16: 75-78. PMID 6871389 DOI: 10.1016/0303-2647(83)90027-8  1
1983 Laws EA, Redalje DG, Karl DM, Chalup MS. A theoretical and experimental examination of the predictions of two recent models of phytoplankton growth Journal of Theoretical Biology. 105: 469-491. DOI: 10.1016/0022-5193(83)90188-1  1
1982 Karl DM. Selected nucleic acid precursors in studies of aquatic microbial ecology Applied and Environmental Microbiology. 44: 891-902.  1
1981 DeLaca TE, Karl DM, Lipps JH. Direct use of dissolved organic carbon by agglutinated benthic foraminifera Nature. 289: 287-289. DOI: 10.1038/289287a0  1
1981 Fellows DA, Karl DM, Knauer GA. Large particle fluxes and the vertical transport of living carbon in the upper 1500 m of the northeast Pacific Ocean Deep Sea Research Part a, Oceanographic Research Papers. 28: 921-936. DOI: 10.1016/0198-0149(81)90010-8  1
1981 Karl DM, Winn CD, Wong DCL. RNA synthesis as a measure of microbial growth in aquatic environments. II. Field applications Marine Biology. 64: 13-21. DOI: 10.1007/BF00394076  1
1981 Karl DM, Winn CD, Wong DCL. RNA synthesis as a measure of microbial growth in aquatic environments. I. Evaluation, verification and optimization of methods Marine Biology. 64: 1-12. DOI: 10.1007/BF00394075  1
1981 Hodson RE, Azam F, Carlucci AF, Fuhrman JA, Karl DM, Holm-Hansen O. Microbial uptake of dissolved organic matter in Mcmurdo Sound, Antarctica Marine Biology. 61: 89-94. DOI: 10.1007/BF00386648  1
1981 Karl DM. Simultaneous rates of ribonucleic acid and deoxyribonucleic acid syntheses for estimating growth and cell division of aquatic microbial communities Applied and Environmental Microbiology. 42: 802-810.  1
1980 Karl DM. Cellular nucleotide measurements and applications in microbial ecology Microbiological Reviews. 44: 739-796. PMID 7010116  1
1980 Karl DM, Craven DB. Effects of alkaline phosphatase activity on nucleotide measurements in aquatic microbial communities Applied and Environmental Microbiology. 40: 549-561.  1
1980 Karl DM, Nealson KH. Regulation of cellular metabolism during synthesis and expression of the luminous system in Beneckea and Photobacterium Journal of General Microbiology. 117: 357-368.  1
1979 Azam F, Beers JR, Campbell L, Carlucci AF, Holm-Hansen O, Reid FM, Karl DM. Occurrence and metabolic activity of organisms under the ross ice shelf, antarctica, at station j9. Science (New York, N.Y.). 203: 451-3. PMID 17734142 DOI: 10.1126/science.203.4379.451  1
1979 Karl DM. Measurement of microbial activity and growth in the ocean by rates of stable ribonucleic acid synthesis Applied and Environmental Microbiology. 38: 850-860.  1
1978 Karl DM. A rapid sensitive method for the measurement of guanine ribonucleotides in bacterial and environmental extracts Analytical Biochemistry. 89: 581-595. PMID 215051 DOI: 10.1016/0003-2697(78)90387-1  1
1978 Karl DM. [9] Determination of GTP, GDP, and GMP in cell and tissue extracts Methods in Enzymology. 57: 85-94. DOI: 10.1016/0076-6879(78)57011-0  1
1978 Holm-Hansen O, Karl DM. [8] Biomass and adenylate energy charge determination in microbial cell extracts and environmental samples Methods in Enzymology. 57: 73-85. DOI: 10.1016/0076-6879(78)57010-9  1
1978 Karl DM, Haugsness JA, Campbell L, Holm-Hansen O. Adenine nucleotide extraction from multicellular organisms and beach sand: ATP recovery, energy charge ratios and determination of carbon/ATP ratios Journal of Experimental Marine Biology and Ecology. 34: 163-181. DOI: 10.1016/0022-0981(78)90039-4  1
1978 Karl DM, Holm-Hansen O. Methodology and measurement of adenylate energy charge ratios in environmental samples Marine Biology. 48: 185-197. DOI: 10.1007/BF00395018  1
1978 Karl DM. Occurrence and ecological significance of GTP in the ocean and in microbial cells Applied and Environmental Microbiology. 36: 349-355.  1
1977 Karl DM, LaRock PA, Shultz DJ. Adenosine triphosphate and organic carbon in the Cariaco Trench Deep-Sea Research. 24: 105-113. DOI: 10.1016/0146-6291(77)90546-X  1
1976 Karl DM, Holm-Hansen O. Effects of luciferin concentration of the quantitative assay of ATP using crude luciferase preparations Analytical Biochemistry. 75: 100-112. PMID 962121 DOI: 10.1016/0003-2697(76)90060-9  1
1976 Karl DM, LaRock PA, Morse JW, Sturges W. Adenosine triphosphate in the North Atlantic ocean and its relationship to the oxygen minimum Deep-Sea Research and Oceanographic Abstracts. 23: 81-88. DOI: 10.1016/0011-7471(76)90810-X  1
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