Ulrich Sommer - Publications

Affiliations: 
Leibniz-Institute of Marine Science, Kiel, Schleswig-Holstein, Germany 

193 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
2021 Bastazini VAG, Galiana N, Hillebrand H, Estiarte M, Ogaya R, Peñuelas J, Sommer U, Montoya JM. The impact of climate warming on species diversity across scales: Lessons from experimental meta-ecosystems. Global Ecology and Biogeography : a Journal of Macroecology. 30: 1545-1554. PMID 36618082 DOI: 10.1111/geb.13308  0.531
2021 Charalampous E, Matthiessen B, Sommer U. Grazing Induced Shifts in Phytoplankton Cell Size Explain the Community Response to Nutrient Supply. Microorganisms. 9. PMID 34946042 DOI: 10.3390/microorganisms9122440  0.728
2021 Paul C, Sommer U, Matthiessen B. Composition and Dominance of Edible and Inedible Phytoplankton Predict Responses of Baltic Sea Summer Communities to Elevated Temperature and CO. Microorganisms. 9. PMID 34835420 DOI: 10.3390/microorganisms9112294  0.756
2021 Bi R, Cao Z, Ismar-Rebitz SMH, Sommer U, Zhang H, Ding Y, Zhao M. Responses of Marine Diatom-Dinoflagellate Competition to Multiple Environmental Drivers: Abundance, Elemental, and Biochemical Aspects. Frontiers in Microbiology. 12: 731786. PMID 34526982 DOI: 10.3389/fmicb.2021.731786  0.435
2020 Bi R, Ismar-Rebitz SMH, Sommer U, Zhang H, Zhao M. Ocean-related global change alters lipid biomarker production in common marine phytoplankton Biogeosciences Discussions. 1-28. DOI: 10.5194/Bg-2020-183  0.454
2020 Moustaka-Gouni M, Sommer U. Effects of Harmful Blooms of Large-Sized and Colonial Cyanobacteria on Aquatic Food Webs Water. 12: 1587. DOI: 10.3390/W12061587  0.413
2020 Genitsaris S, Stefanidou N, Moustaka-Gouni M, Sommer U, Tsipas G. Variability and Community Composition of Marine Unicellular Eukaryote Assemblages in a Eutrophic Mediterranean Urban Coastal Area with Marked Plankton Blooms and Red Tides Diversity. 12: 114. DOI: 10.3390/D12030114  0.383
2020 Makareviciute-Fichtner K, Matthiessen B, Lotze HK, Sommer U. Decrease in diatom dominance at lower Si:N ratios alters plankton food webs Journal of Plankton Research. 42: 411-424. DOI: 10.1093/Plankt/Fbaa032  0.72
2020 Garzke J, Sommer U, Ismar-Rebitz SMH. Zooplankton growth and survival differentially respond to interactive warming and acidification effects Journal of Plankton Research. 42: 189-202. DOI: 10.1093/Plankt/Fbaa005  0.821
2020 Ramírez-Romero E, Molinero JC, Sommer U, Salhi N, Yahia OKD, Yahia MND. Phytoplankton size changes and diversity loss in the southwestern Mediterranean Sea in relation to long-term hydrographic variability Estuarine Coastal and Shelf Science. 235: 106574. DOI: 10.1016/J.Ecss.2019.106574  0.478
2020 Zohary T, Flaim G, Sommer U. Temperature and the size of freshwater phytoplankton Hydrobiologia. DOI: 10.1007/S10750-020-04246-6  0.381
2020 Horn HG, Boersma M, Garzke J, Sommer U, Aberle N. High CO2 and warming affect microzooplankton food web dynamics in a Baltic Sea summer plankton community Marine Biology. 167. DOI: 10.1007/S00227-020-03683-0  0.824
2019 Stibor H, Stockenreiter M, Nejstgaard JC, Ptacnik R, Sommer U. Trophic switches in pelagic systems. Current Opinion in Systems Biology. 13: 108-114. PMID 32984659 DOI: 10.1016/J.Coisb.2018.11.006  0.415
2019 Moustaka-Gouni M, Sommer U, Economou-Amilli A, Arhonditsis GB, Katsiapi M, Papastergiadou E, Kormas KA, Vardaka E, Karayanni H, Papadimitriou T. Implementation of the Water Framework Directive: Lessons Learned and Future Perspectives for an Ecologically Meaningful Classification Based on Phytoplankton of the Status of Greek Lakes, Mediterranean Region. Environmental Management. PMID 31748947 DOI: 10.1007/S00267-019-01226-Y  0.345
2019 Shiganova TA, Sommer U, Javidpour J, Molinero JC, Malej A, Kazmin AS, Isinibilir M, Christou E, Siokou-Frangou I, Marambio M, Fuentes V, Mirsoyan ZA, Gülsahin N, Lombard F, Lilley MKS, et al. Patterns of invasive ctenophore Mnemiopsis leidyi distribution and variability in different recipient environments of the Eurasian seas: A review. Marine Environmental Research. 152: 104791. PMID 31640887 DOI: 10.1016/J.Marenvres.2019.104791  0.388
2019 Stefanidou N, Genitsaris S, Lopez-Bautista J, Sommer U, Moustaka-Gouni M. Response of a coastal Baltic Sea diatom-dominated phytoplankton community to experimental heat shock and changing salinity. Oecologia. PMID 31501978 DOI: 10.1007/S00442-019-04502-0  0.465
2019 Garzke J, Connor SJ, Sommer U, O'Connor MI. Trophic interactions modify the temperature dependence of community biomass and ecosystem function. Plos Biology. 17: e2006806. PMID 31181076 DOI: 10.1371/Journal.Pbio.2006806  0.821
2019 Chi X, Mueller-Navarra DC, Hylander S, Sommer U, Javidpour J. Food quality matters: Interplay among food quality, food quantity and temperature affecting life history traits of Aurelia aurita (Cnidaria: Scyphozoa) polyps. The Science of the Total Environment. 656: 1280-1288. PMID 30625657 DOI: 10.1016/J.Scitotenv.2018.11.469  0.427
2019 Sommer U. Benthic microalgal diversity enhanced by spatial heterogeneity of grazing. Oecologia. 122: 284-287. PMID 28308383 DOI: 10.1007/Pl00008857  0.316
2019 Karayanni H, Kormas KA, Moustaka-Gouni M, Sommer U. Changes in Heterotrophic Picoplankton Community Structure after Induction of a Phytoplankton Bloom under Different Light Regimes Diversity. 11: 195-195. DOI: 10.3390/D11100195  0.425
2019 Genitsaris S, Stefanidou N, Sommer U, Moustaka-Gouni M. Phytoplankton Blooms, Red Tides and Mucilaginous Aggregates in the Urban Thessaloniki Bay, Eastern Mediterranean Diversity. 11: 136-136. DOI: 10.3390/D11080136  0.38
2019 Gilabert RO, Navia AF, Cruz-Agüero GDL, Molinero JC, Sommer U, Scotti M. Body size and mobility explain species centralities in the Gulf of California food web Community Ecology. 20: 149-160. DOI: 10.1556/168.2019.20.2.5  0.375
2018 Stefanidou N, Genitsaris S, Lopez-Bautista J, Sommer U, Moustaka-Gouni M. Unicellular Eukaryotic Community Response to Temperature and Salinity Variation in Mesocosm Experiments. Frontiers in Microbiology. 9: 2444. PMID 30356732 DOI: 10.3389/Fmicb.2018.02444  0.431
2018 Muhl RMW, Roelke DL, Zohary T, Moustaka-Gouni M, Sommer U, Borics G, Gaedke U, Withrow FG, Bhattacharyya J. Resisting annihilation: relationships between functional trait dissimilarity, assemblage competitive power and allelopathy. Ecology Letters. PMID 29992677 DOI: 10.1111/Ele.13109  0.342
2018 Bi R, Ismar SMH, Sommer U, Zhao M. Simultaneous shifts in elemental stoichiometry and fatty acids of <i>Emiliania huxleyi</i> in response to environmental changes Biogeosciences. 15: 1029-1045. DOI: 10.5194/Bg-15-1029-2018  0.442
2018 Chi X, Javidpour J, Sommer U, Mueller-Navarra D. Tracking Fatty Acids From Phytoplankton to Jellyfish Polyps Under Different Stress Regimes: A Three Trophic Levels Experiment Frontiers in Ecology and Evolution. 6. DOI: 10.3389/Fevo.2018.00118  0.371
2018 Paul A, Sommer U, Paul C, Riebesell U. Baltic Sea diazotrophic cyanobacterium is negatively affected by acidification and warming Marine Ecology Progress Series. 598: 49-60. DOI: 10.3354/Meps12632  0.496
2018 Sommer U, Charalampous E, Scotti M, Moustaka-Gouni M. Big fish eat small fish: implications for food chain length? Community Ecology. 19: 107-115. DOI: 10.1556/168.2018.19.2.2  0.381
2018 Ramirez-Romero E, Molinero JC, Paulsen M, Javidpour J, Clemmesen C, Sommer U. Quantifying top-down control and ecological traits of the scyphozoan Aurelia aurita through a dynamic plankton model Journal of Plankton Research. 40: 678-692. DOI: 10.1093/Plankt/Fby041  0.377
2018 Charalampous E, Matthiessen B, Sommer U. Light effects on phytoplankton morphometric traits influence nutrient utilization ability Journal of Plankton Research. 40: 568-579. DOI: 10.1093/Plankt/Fby037  0.735
2018 Alvarez-Fernandez S, Bach L, Taucher J, Riebesell U, Sommer U, Aberle N, Brussaard C, Boersma M. Plankton responses to ocean acidification: The role of nutrient limitation Progress in Oceanography. 165: 11-18. DOI: 10.1016/J.Pocean.2018.04.006  0.498
2018 Stefanidou N, Genitsaris S, Lopez-Bautista J, Sommer U, Moustaka-Gouni M. Effects of heat shock and salinity changes on coastal Mediterranean phytoplankton in a mesocosm experiment Marine Biology. 165. DOI: 10.1007/S00227-018-3415-Y  0.45
2018 Ismar SMH, Kottmann JS, Sommer U. First genetic quantification of sex- and stage-specific feeding in the ubiquitous copepod Acartia tonsa Marine Biology. 165. DOI: 10.1007/S00227-017-3281-Z  0.368
2017 López Abbate MC, Molinero JC, Guinder VA, Perillo GME, Freije RH, Sommer U, Spetter CV, Marcovecchio JE. Time-varying environmental control of phytoplankton in a changing estuarine system. The Science of the Total Environment. 609: 1390-1400. PMID 28797145 DOI: 10.1016/J.Scitotenv.2017.08.002  0.459
2017 von Scheibner M, Sommer U, Jürgens K. Tight Coupling of Glaciecola spp. and Diatoms during Cold-Water Phytoplankton Spring Blooms. Frontiers in Microbiology. 8: 27. PMID 28154558 DOI: 10.3389/Fmicb.2017.00027  0.461
2017 Bi R, Ismar SMH, Sommer U, Zhao M. Simultaneous shifts in stoichiometric and fatty acid compositionof Emiliania huxleyi in response to environmental changes Biogeosciences Discussions. 1-51. DOI: 10.5194/Bg-2017-162  0.395
2017 Fang X, Sommer U. Overwintering effects on the spring bloom dynamics of phytoplankton Journal of Plankton Research. 39: 772-780. DOI: 10.1093/Plankt/Fbx046  0.431
2017 Genitsaris S, Stefanidou N, Katsiapi M, Kormas KA, Sommer U, Moustaka-Gouni M. Variability of airborne bacteria in an urban Mediterranean area (Thessaloniki, Greece) Atmospheric Environment. 157: 101-110. DOI: 10.1016/J.Atmosenv.2017.03.018  0.434
2017 Garzke J, Sommer U, Ismar SMH. Is the chemical composition of biomass the agent by which ocean acidification influences on zooplankton ecology? Aquatic Sciences. 79: 733-748. DOI: 10.1007/S00027-017-0532-5  0.825
2016 Bergen B, Endres S, Engel A, Zark M, Dittmar T, Sommer U, Jürgens K. Acidification and warming affect prominent bacteria in two seasonal phytoplankton bloom mesocosms. Environmental Microbiology. PMID 27690275 DOI: 10.1111/1462-2920.13549  0.52
2016 Moustaka-Gouni M, Kormas KA, Scotti M, Vardaka E, Sommer U. Warming and Acidification Effects on Planktonic Heterotrophic Pico- and Nanoflagellates in a Mesocosm Experiment. Protist. 167: 389-410. PMID 27472657 DOI: 10.1016/J.Protis.2016.06.004  0.509
2016 Garzke J, Hansen T, Ismar SM, Sommer U. Combined Effects of Ocean Warming and Acidification on Copepod Abundance, Body Size and Fatty Acid Content. Plos One. 11: e0155952. PMID 27224476 DOI: 10.1371/Journal.Pone.0155952  0.798
2016 Lewandowska AM, Biermann A, Borer ET, Cebrián-Piqueras MA, Declerck SA, De Meester L, Van Donk E, Gamfeldt L, Gruner DS, Hagenah N, Harpole WS, Kirkman KP, Klausmeier CA, Kleyer M, Knops JM, ... ... Sommer U, et al. The influence of balanced and imbalanced resource supply on biodiversity-functioning relationship across ecosystems. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 371. PMID 27114584 DOI: 10.1098/Rstb.2015.0283  0.781
2016 Sommer U, Peter KH, Genitsaris S, Moustaka-Gouni M. Do marine phytoplankton follow Bergmann's rule sensu lato? Biological Reviews of the Cambridge Philosophical Society. PMID 27028628 DOI: 10.1111/Brv.12266  0.548
2016 Genitsaris S, Stefanidou N, Katsiapi M, Vardaka E, Kormas KA, Sommer U, Moustaka-Gouni M. Haematococcus: a successful air-dispersed colonist in ephemeral waters is rarelyfound in phytoplankton communities Turkish Journal of Botany. 40: 427-438. DOI: 10.3906/Bot-1509-8  0.403
2016 Gruner DS, Bracken MES, Berger SA, Eriksson BK, Gamfeldt L, Matthiessen B, Moorthi S, Sommer U, Hillebrand H. Effects of experimental warming on biodiversity depend on ecosystem type and local species composition Oikos. 126: 8-17. DOI: 10.1111/Oik.03688  0.811
2016 Molinero JC, Tseng LC, Lopez-Lopez LL, Sommer U, Souissi S, Hwang JS. Climate-driven winter variations of Calanus sinicus abundance in the East China Sea Fisheries Oceanography. 25: 555-564. DOI: 10.1111/Fog.12172  0.447
2016 Sommer U, Charalampous E, Genitsaris S, Moustaka-Gouni M. Benefits, costs and taxonomic distribution of marine phytoplankton body size Journal of Plankton Research. 39: 494-508. DOI: 10.1093/Plankt/Fbw071  0.336
2016 Kürten B, Al-Aidaroos AM, Kürten S, El-Sherbiny MM, Devassy RP, Struck U, Zarokanellos N, Jones BH, Hansen T, Bruss G, Sommer U. Carbon and nitrogen stable isotope ratios of pelagic zooplankton elucidate ecohydrographic features in the oligotrophic Red Sea Progress in Oceanography. 140: 69-90. DOI: 10.1016/J.Pocean.2015.11.003  0.436
2016 Katsiapi M, Moustaka-Gouni M, Sommer U. Assessing ecological water quality of freshwaters: PhyCoI-a new phytoplankton community Index Ecological Informatics. 31: 22-29. DOI: 10.1016/J.Ecoinf.2015.11.004  0.4
2016 Bi R, Ismar S, Sommer U, Zhao M. Environmental dependence of the correlations between stoichiometric and fatty acid-based indicators of phytoplankton nutritional quality Limnology and Oceanography. 62: 334-347. DOI: 10.1002/Lno.10429  0.391
2016 Paul C, Sommer U, Garzke J, Moustaka-Gouni M, Paul A, Matthiessen B. Effects of increased CO2 concentration on nutrient limited coastal summer plankton depend on temperature Limnology and Oceanography. DOI: 10.1002/Lno.10256  0.803
2015 Mayor DJ, Sommer U, Cook KB, Viant MR. The metabolic response of marine copepods to environmental warming and ocean acidification in the absence of food. Scientific Reports. 5: 13690. PMID 26364855 DOI: 10.1038/srep13690  0.323
2015 Sandel V, Kiko R, Brandt P, Dengler M, Stemmann L, Vandromme P, Sommer U, Hauss H. Nitrogen Fuelling of the Pelagic Food Web of the Tropical Atlantic. Plos One. 10: e0131258. PMID 26098917 DOI: 10.1371/Journal.Pone.0131258  0.32
2015 Rabbaniha M, Molinero JC, López-López L, Javidpour J, Primo AL, Owfi F, Sommer U. Habitat association of larval fish assemblages in the northern Persian Gulf. Marine Pollution Bulletin. PMID 26093814 DOI: 10.1016/J.Marpolbul.2015.06.028  0.45
2015 Sommer U, Paul C, Moustaka-Gouni M. Warming and Ocean Acidification Effects on Phytoplankton-From Species Shifts to Size Shifts within Species in a Mesocosm Experiment. Plos One. 10: e0125239. PMID 25993440 DOI: 10.1371/Journal.Pone.0125239  0.547
2015 Peter KH, Sommer U. Interactive effect of warming, nitrogen and phosphorus limitation on phytoplankton cell size. Ecology and Evolution. 5: 1011-24. PMID 25798219 DOI: 10.1002/Ece3.1241  0.434
2015 Garzke J, Ismar SM, Sommer U. Climate change affects low trophic level marine consumers: warming decreases copepod size and abundance. Oecologia. 177: 849-60. PMID 25413864 DOI: 10.1007/S00442-014-3130-4  0.804
2015 Paul C, Matthiessen B, Sommer U. Warming, but not enhanced CO2 concentration, quantitatively and qualitatively affects phytoplankton biomass Marine Ecology Progress Series. 528: 39-51. DOI: 10.3354/Meps11264  0.776
2015 Aberle N, Malzahn AM, Lewowska AM, Sommer U. Some like it hot: The protozooplankton-copepod link in a warming ocean Marine Ecology Progress Series. 519: 103-113. DOI: 10.3354/Meps11081  0.446
2015 Kürten B, Khomayis HS, Devassy R, Audritz S, Sommer U, Struck U, El-Sherbiny MM, Al-Aidaroos AM. Ecohydrographic constraints on biodiversity and distribution of phytoplankton and zooplankton in coral reefs of the Red Sea, Saudi Arabia Marine Ecology. 36: 1195-1214. DOI: 10.1111/Maec.12224  0.499
2015 Arndt C, Moison M, Sommer U. Providing harpacticoid copepods via floating sieve improves herring (Clupea harengus L.) larval feeding incidence Aquaculture Research. DOI: 10.1111/Are.12766  0.305
2015 Horn HG, Boersma M, Garzke J, Löder MGJ, Sommer U, Aberle N. Effects of high CO2 and warming on a Baltic Sea microzooplankton community Ices Journal of Marine Science. 73: 772-782. DOI: 10.1093/Icesjms/Fsv198  0.834
2015 Lewandowska AM, Striebel M, Feudel U, Hillebrand H, Sommer U. The importance of phytoplankton trait variability in spring bloom formation Ices Journal of Marine Science. 72: 1908-1915. DOI: 10.1093/Icesjms/Fsv059  0.626
2015 Arndt C, Sommer U, Ueberschär B. A comparative in-vitro-test on the digestibility of live prey for fish larvae under specific consideration of trypsin Aquaculture. 446: 12-16. DOI: 10.1016/J.Aquaculture.2015.03.033  0.343
2014 Bi R, Arndt C, Sommer U. Linking elements to biochemicals: effects of nutrient supply ratios and growth rates on fatty acid composition of phytoplankton species. Journal of Phycology. 50: 117-30. PMID 26988013 DOI: 10.1111/Jpy.12140  0.403
2014 Lewandowska AM, Boyce DG, Hofmann M, Matthiessen B, Sommer U, Worm B. Effects of sea surface warming on marine plankton. Ecology Letters. 17: 614-23. PMID 24575918 DOI: 10.1111/Ele.12265  0.773
2014 Olsen Y, Reinertsen H, Sommer U, Vadstein O. Responses of biological and chemical components in North East Atlantic coastal water to experimental nitrogen and phosphorus addition--a full scale ecosystem study and its relevance for management. The Science of the Total Environment. 473: 262-74. PMID 24374588 DOI: 10.1016/J.Scitotenv.2013.12.028  0.377
2014 von Scheibner M, Dörge P, Biermann A, Sommer U, Hoppe HG, Jürgens K. Impact of warming on phyto-bacterioplankton coupling and bacterial community composition in experimental mesocosms. Environmental Microbiology. 16: 718-33. PMID 23869806 DOI: 10.1111/1462-2920.12195  0.505
2014 Mittermayr A, Fox SE, Sommer U. Temporal variation in stable isotope composition (δ13C, δ15N and δ34S) of a temperate Zostera marina food web Marine Ecology Progress Series. 505: 95-105. DOI: 10.3354/Meps10797  0.399
2014 Mittermayr A, Hansen T, Sommer U. Simultaneous analysis of δ13C, δ15N and δ34S ratios uncovers food web relationships and the trophic importance of epiphytes in an eelgrass Zostera marina community Marine Ecology Progress Series. 497: 93-103. DOI: 10.3354/Meps10569  0.346
2014 Moustaka-Gouni M, Michaloudi E, Sommer U. Modifying the PEG model for Mediterranean lakes - no biological winter and strong fish predation Freshwater Biology. 59: 1136-1144. DOI: 10.1111/Fwb.12335  0.49
2014 Arndt C, Sommer U. Effect of algal species and concentration on development and fatty acid composition of two harpacticoid copepods, Tisbe sp. and Tachidius discipes, and a discussion about their suitability for marine fish larvae Aquaculture Nutrition. 20: 44-59. DOI: 10.1111/Anu.12051  0.331
2014 Kürten B, Al-Aidaroos AM, Struck U, Khomayis HS, Gharbawi WY, Sommer U. Influence of environmental gradients on C and N stable isotope ratios in coral reef biota of the Red Sea, Saudi Arabia Journal of Sea Research. 85: 379-394. DOI: 10.1016/J.Seares.2013.07.008  0.457
2014 Lewandowska AM, Hillebrand H, Lengfellner K, Sommer U. Temperature effects on phytoplankton diversity - The zooplankton link Journal of Sea Research. 85: 359-364. DOI: 10.1016/J.Seares.2013.07.003  0.681
2014 Leiknes Ø, Striberny A, Tokle NE, Olsen Y, Vadstein O, Sommer U. Feeding selectivity of Calanus finmarchicus in the Trondheimsfjord Journal of Sea Research. 85: 292-299. DOI: 10.1016/J.Seares.2013.05.012  0.305
2013 Peter KH, Sommer U. Phytoplankton cell size reduction in response to warming mediated by nutrient limitation. Plos One. 8: e71528. PMID 24039717 DOI: 10.1371/Journal.Pone.0071528  0.464
2013 Rossoll D, Sommer U, Winder M. Community interactions dampen acidification effects in a coastal plankton system Marine Ecology Progress Series. 486: 37-46. DOI: 10.3354/Meps10352  0.516
2013 Bauer B, Sommer U, Gaedke U. High predictability of spring phytoplankton biomass in mesocosms at the species, functional group and community level Freshwater Biology. 58: 588-596. DOI: 10.1111/J.1365-2427.2012.02780.X  0.444
2013 De Senerpont Domis LN, Elser JJ, Gsell AS, Huszar VLM, Ibelings BW, Jeppesen E, Kosten S, Mooij WM, Roland F, Sommer U, Van Donk E, Winder M, Lürling M. Plankton dynamics under different climatic conditions in space and time Freshwater Biology. 58: 463-482. DOI: 10.1111/Fwb.12053  0.41
2013 Wirtz KW, Sommer U. Mechanistic origins of variability in phytoplankton dynamics. Part II: Analysis of mesocosm blooms under climate change scenarios Marine Biology. 160: 2503-2516. DOI: 10.1007/S00227-013-2271-Z  0.479
2012 Bi R, Arndt C, Sommer U. STOICHIOMETRIC RESPONSES OF PHYTOPLANKTON SPECIES TO THE INTERACTIVE EFFECT OF NUTRIENT SUPPLY RATIOS AND GROWTH RATES(1). Journal of Phycology. 48: 539-49. PMID 27011069 DOI: 10.1111/J.1529-8817.2012.01163.X  0.35
2012 Peter KH, Sommer U. Phytoplankton cell size: intra- and interspecific effects of warming and grazing. Plos One. 7: e49632. PMID 23226215 DOI: 10.1371/Journal.Pone.0049632  0.459
2012 Rossoll D, Bermúdez R, Hauss H, Schulz KG, Riebesell U, Sommer U, Winder M. Ocean acidification-induced food quality deterioration constrains trophic transfer. Plos One. 7: e34737. PMID 22509351 DOI: 10.1371/Journal.Pone.0034737  0.427
2012 Domingues RB, Barbosa AB, Sommer U, Galvão HM. Phytoplankton composition, growth and production in the Guadiana estuary (SW Iberia): unraveling changes induced after dam construction. The Science of the Total Environment. 416: 300-13. PMID 22172662 DOI: 10.1016/j.scitotenv.2011.11.043  0.338
2012 Franz JMS, Hauss H, Sommer U, Dittmar T, Riebesell U. Production, partitioning and stoichiometry of organic matter under variable nutrient supply during mesocosm experiments in the tropical Pacific and Atlantic Ocean Biogeosciences. 9: 4629-4643. DOI: 10.5194/Bg-9-4629-2012  0.402
2012 Taucher J, Schulz KG, Dittmar T, Sommer U, Oschlies A, Riebesell U. Enhanced carbon overconsumption in response to increasing temperatures during a mesocosm experiment Biogeosciences. 9: 3531-3545. DOI: 10.5194/Bg-9-3531-2012  0.465
2012 Sommer U, Lengfellner K, Lewandowska A. Experimental induction of a coastal spring bloom early in the year by intermittent high-light episodes Marine Ecology Progress Series. 446: 61-71. DOI: 10.3354/Meps09486  0.362
2012 Sommer U, Adrian R, De Senerpont Domis L, Elser JJ, Gaedke U, Ibelings B, Jeppesen E, Lürling M, Molinero JC, Mooij WM, Van Donk E, Winder M. Beyond the plankton ecology group (PEG) model: Mechanisms driving plankton succession Annual Review of Ecology, Evolution, and Systematics. 43: 429-448. DOI: 10.1146/Annurev-Ecolsys-110411-160251  0.457
2012 Guinder VA, Molinero JC, Popovich CA, Marcovecchio JE, Sommer U. Dominance of the planktonic diatom Thalassiosira minima in recent summers in the Bahía Blanca Estuary, Argentina Journal of Plankton Research. 34: 995-1000. DOI: 10.1093/Plankt/Fbs060  0.416
2012 Hauss H, Franz JMS, Sommer U. Changes in N:P stoichiometry influence taxonomic composition and nutritional quality of phytoplankton in the Peruvian upwelling Journal of Sea Research. 73: 74-85. DOI: 10.1016/J.Seares.2012.06.010  0.386
2012 Lewandowska AM, Breithaupt P, Hillebrand H, Hoppe HG, Jürgens K, Sommer U. Responses of primary productivity to increased temperature and phytoplankton diversity Journal of Sea Research. 72: 87-93. DOI: 10.1016/J.Seares.2011.10.003  0.634
2012 Rüger T, Sommer U. Warming does not always benefit the small - Results from a plankton experiment Aquatic Botany. 97: 64-68. DOI: 10.1016/J.Aquabot.2011.12.001  0.463
2012 Winder M, Sommer U. Phytoplankton response to a changing climate Hydrobiologia. 698: 5-16. DOI: 10.1007/S10750-012-1149-2  0.454
2012 Sommer U, Adrian R, Bauer B, Winder M. The response of temperate aquatic ecosystems to global warming: Novel insights from a multidisciplinary project Marine Biology. 159: 2367-2377. DOI: 10.1007/S00227-012-2085-4  0.384
2012 Winder M, Berger SA, Lewandowska A, Aberle N, Lengfellner K, Sommer U, Diehl S. Spring phenological responses of marine and freshwater plankton to changing temperature and light conditions Marine Biology. 159: 2491-2501. DOI: 10.1007/S00227-012-1964-Z  0.483
2012 Aberle N, Bauer B, Lewandowska A, Gaedke U, Sommer U. Warming induces shifts in microzooplankton phenology and reduces time-lags between phytoplankton and protozoan production Marine Biology. 159: 2441-2453. DOI: 10.1007/S00227-012-1947-0  0.506
2012 Klauschies T, Bauer B, Aberle-Malzahn N, Sommer U, Gaedke U. Climate change effects on phytoplankton depend on cell size and food web structure Marine Biology. 159: 2455-2478. DOI: 10.1007/S00227-012-1904-Y  0.507
2012 Sommer U, Aberle N, Lengfellner K, Lewandowska A. The Baltic Sea spring phytoplankton bloom in a changing climate: An experimental approach Marine Biology. 159: 2479-2490. DOI: 10.1007/S00227-012-1897-6  0.458
2011 Jaschinski S, Brepohl DC, Sommer U. Seasonal variation in carbon sources of mesograzers and small predators in an eelgrass community: Stable isotope and fatty acid analyses Marine Ecology Progress Series. 431: 69-82. DOI: 10.3354/Meps09143  0.474
2011 Sommer U, Lewandowska A. Climate change and the phytoplankton spring bloom: Warming and overwintering zooplankton have similar effects on phytoplankton Global Change Biology. 17: 154-162. DOI: 10.1111/J.1365-2486.2010.02182.X  0.423
2011 Engel A, Händel N, Wohlers J, Lunau M, Grossart HP, Sommer U, Riebesell U. Effects of sea surface warming on the production and composition of dissolved organic matter during phytoplankton blooms: Results from a mesocosm study Journal of Plankton Research. 33: 357-372. DOI: 10.1093/Plankt/Fbq122  0.474
2010 Matthiessen B, Mielke E, Sommer U. Dispersal decreases diversity in heterogeneous metacommunities by enhancing regional competition. Ecology. 91: 2022-33. PMID 20715625 DOI: 10.1890/09-1395.1  0.733
2010 Lewandowska A, Sommer U. Climate change and the spring bloom: A mesocosm study on the influence of light and temperature on phytoplankton and mesozooplankton Marine Ecology Progress Series. 405: 101-111. DOI: 10.3354/Meps08520  0.538
2010 Jaschinski S, Sommer U. Positive effects of mesograzers on epiphytes in an eelgrass system Marine Ecology Progress Series. 401: 77-85. DOI: 10.3354/Meps08412  0.425
2009 Hansen T, Burmeister A, Sommer U. Simultaneous delta15N, delta13C and delta34S measurements of low-biomass samples using a technically advanced high sensitivity elemental analyzer connected to an isotope ratio mass spectrometer. Rapid Communications in Mass Spectrometry : Rcm. 23: 3387-93. PMID 19813280 DOI: 10.1002/Rcm.4267  0.311
2009 Daufresne M, Lengfellner K, Sommer U. Global warming benefits the small in aquatic ecosystems. Proceedings of the National Academy of Sciences of the United States of America. 106: 12788-93. PMID 19620720 DOI: 10.1073/Pnas.0902080106  0.484
2009 Wohlers J, Engel A, Zöllner E, Breithaupt P, Jürgens K, Hoppe HG, Sommer U, Riebesell U. Changes in biogenic carbon flow in response to sea surface warming. Proceedings of the National Academy of Sciences of the United States of America. 106: 7067-72. PMID 19359482 DOI: 10.1073/Pnas.0812743106  0.44
2009 Jaschinski S, Aberle N, Gohse-Reimann S, Brendelberger H, Wiltshire KH, Sommer U. Grazer diversity effects in an eelgrass-epiphyte-microphytobenthos system. Oecologia. 159: 607-15. PMID 19082631 DOI: 10.1007/s00442-008-1236-2  0.356
2009 Javidpour J, Molinero JC, Lehmann A, Hansen T, Sommer U. Annual assessment of the predation of Mnemiopsis leidyi in a new invaded environment, the Kiel Fjord (Western Baltic Sea): A matter of concern? Journal of Plankton Research. 31: 729-738. DOI: 10.1093/Plankt/Fbp021  0.459
2008 Jaschinski S, Brepohl DC, Sommer U. Carbon sources and trophic structure in an eelgrass Zostera marina bed, based on stable isotope and fatty acid analyses Marine Ecology Progress Series. 358: 103-114. DOI: 10.3354/Meps07327  0.365
2008 Hoppe HG, Breithaupt P, Walther K, Koppe R, Bleck S, Sommer U, Jürgens K. Climate warming in winter affects the coupling between phytoplankton and bacteria during the spring bloom: A mesocosm study Aquatic Microbial Ecology. 51: 105-115. DOI: 10.3354/Ame01198  0.477
2008 Sommer U, Lengfellner K. Climate change and the timing, magnitude, and composition of the phytoplankton spring bloom Global Change Biology. 14: 1199-1208. DOI: 10.1111/J.1365-2486.2008.01571.X  0.477
2008 Isla JA, Lengfellner K, Sommer U. Physiological response of the copepod Pseudocalanus sp. in the Baltic Sea at different thermal scenarios Global Change Biology. 14: 895-906. DOI: 10.1111/J.1365-2486.2008.01531.X  0.462
2008 Jaschinski S, Sommer U. Top-down and bottom-up control in an eelgrass-epiphyte system Oikos. 117: 754-762. DOI: 10.1111/J.0030-1299.2008.16455.X  0.441
2008 Ismar SMH, Hansen T, Sommer U. Effect of food concentration and type of diet on Acartia survival and naupliar development Marine Biology. 154: 335-343. DOI: 10.1007/S00227-008-0928-9  0.345
2008 Sommer U. Trophic cascades in marine and freshwater plankton International Review of Hydrobiology. 93: 506-516. DOI: 10.1002/Iroh.200711039  0.48
2007 Hansen T, Sommer U. Increasing the sensitivity of delta13C and delta15N abundance measurements by a high sensitivity elemental analyzer connected to an isotope ratio mass spectrometer. Rapid Communications in Mass Spectrometry : Rcm. 21: 314-8. PMID 17200974 DOI: 10.1002/Rcm.2847  0.301
2007 Sommer U, Aberle N, Engel A, Hansen T, Lengfellner K, Sandow M, Wohlers J, Zöllner E, Riebesell U. An indoor mesocosm system to study the effect of climate change on the late winter and spring succession of Baltic Sea phyto- and zooplankton. Oecologia. 150: 655-67. PMID 17048013 DOI: 10.1007/S00442-006-0539-4  0.437
2007 Aberle N, Lengfellner K, Sommer U. Spring bloom succession, grazing impact and herbivore selectivity of ciliate communities in response to winter warming. Oecologia. 150: 668-81. PMID 16964503 DOI: 10.1007/s00442-006-0540-y  0.351
2007 Al-Najjar T, Badran MI, Richter C, Meyerhoefer M, Sommer U. Seasonal dynamics of phytoplankton in the Gulf of Aqaba, Red Sea Hydrobiologia. 579: 69-83. DOI: 10.1007/S10750-006-0365-Z  0.438
2006 Sommer U, Sommer F. Cladocerans versus copepods: the cause of contrasting top-down controls on freshwater and marine phytoplankton. Oecologia. 147: 183-94. PMID 16341887 DOI: 10.1007/S00442-005-0320-0  0.446
2006 Sommer F, Hansen T, Sommer U. Transfer of diazotrophic nitrogen to mesozooplankton in Kiel Fjord, Western Baltic Sea: A mesocosm study Marine Ecology Progress Series. 324: 105-112. DOI: 10.3354/Meps324105  0.42
2005 Sommer U, Hansen T, Blum O, Holzner N, Vadstein O, Stibor H. Copepod and microzooplankton grazing in mesocosms fertilised with different Si:N ratios: no overlap between food spectra and Si:N influence on zooplankton trophic level. Oecologia. 142: 274-83. PMID 15480805 DOI: 10.1007/S00442-004-1708-Y  0.397
2005 Sommer F, Saage A, Santer B, Hansen T, Sommer U. Linking foraging strategies of marine calanoid copepods to patterns of nitrogen stable isotope signatures in a mesocosm study Marine Ecology Progress Series. 286: 99-106. DOI: 10.3354/Meps286099  0.417
2005 Becker C, Brepohl D, Feuchtmayr H, Zöllner E, Sommer F, Clemmesen C, Sommer U, Boersma M. Impacts of copepods on marine seston, and resulting effects on Calanus finmarchicus RNA:DNA ratios in mesocosm experiments Marine Biology. 146: 531-541. DOI: 10.1007/S00227-004-1459-7  0.355
2004 Sommer U, Sommer F, Feuchtmayr H, Hansen T. The influence of mesozooplankton on phytoplankton nutrient limitation: a mesocosm study with northeast Atlantic plankton. Protist. 155: 295-304. PMID 15552056 DOI: 10.1078/1434461041844268  0.436
2004 Ptacnik R, Sommer U, Hansen T, Martens V. Effects of microzooplankton and mixotrophy in an experimental planktonic food web Limnology and Oceanography. 49: 1435-1445. DOI: 10.4319/Lo.2004.49.4_Part_2.1435  0.407
2004 Sommer U, Hansen T, Stibor H, Vadstein O. Persistence of phytoplankton responses to different Si:N ratios under mesozooplankton grazing pressure: a mesocosm study with NE Atlantic plankton Marine Ecology Progress Series. 278: 67-75. DOI: 10.3354/Meps278067  0.34
2004 Feuchtmayr H, Zollner E, Santer B, Sommer U, Grey J. Zooplankton interactions in an enclosure experiment: insights from stable isotope analyses Freshwater Biology. 49: 1495-1504. DOI: 10.1111/J.1365-2427.2004.01283.X  0.48
2004 Vinebrooke RD, Cottingham KL, Norberg J, Scheffer M, Dodson SI, Maberly SC, Sommer U. Impacts of multiple stressors on biodiversity and ecosystem functioning: The role of species co-tolerance Oikos. 104: 451-457. DOI: 10.1111/J.0030-1299.2004.13255.X  0.41
2004 Karez R, Engelbert S, Kraufvelin P, Pedersen MF, Sommer U. Biomass response and changes in composition of ephemeral macroalgal assemblages along an experimental gradient of nutrient enrichment Aquatic Botany. 78: 103-117. DOI: 10.1016/J.Aquabot.2003.09.008  0.496
2003 Sommer U, Sommer F, Santer B, Zöllner E, Jürgens K, Jamieson C, Boersma M, Gocke K. Daphnia versus copepod impact on summer phytoplankton: functional compensation at both trophic levels. Oecologia. 135: 639-47. PMID 16228259 DOI: 10.1007/S00442-003-1214-7  0.435
2003 Stibor H, Sommer U. Mixotrophy of a photosynthetic flagellate viewed from an optimal foraging perspective. Protist. 154: 91-8. PMID 12812372 DOI: 10.1078/143446103764928512  0.324
2003 Bokn TL, Duarte CM, Pedersen MF, Marba N, Moy FE, Barrón C, Bjerkeng B, Borum J, Christie H, Engelbert S, Fotel FL, Hoell EE, Karez R, Kersting K, Kraufvelin P, ... ... Sommer U, et al. The Response of Experimental Rocky Shore Communities to Nutrient Additions Ecosystems. 6: 577-594. DOI: 10.1007/S10021-002-0108-6  0.486
2002 Worm B, Lotze HK, Hillebrand H, Sommer U. Consumer versus resource control of species diversity and ecosystem functioning. Nature. 417: 848-51. PMID 12075351 DOI: 10.1038/Nature00830  0.654
2002 Sommer U, Berninger U, Böttger-Schnack R, Cornils A, Hagen W, Hansen T, Al-Najjar T, Post A, Schnack-Schiel S, Stibor H, Stübing D, Wickham S. Grazing during early spring in the Gulf of Aqaba and the northern Red Sea Marine Ecology Progress Series. 239: 251-261. DOI: 10.3354/Meps239251  0.359
2002 Katechakis A, Stibor H, Sommer U, Hansen T. Changes in the phytoplankton community and microbial food web of Blanes Bay (Catalan Sea, NW Mediterranean) under prolonged grazing pressure by doliolids (Tunicata), cladocerans or copepods (Crustacea) Marine Ecology Progress Series. 234: 55-69. DOI: 10.3354/Meps234055  0.457
2002 Sommer U, Stibor H. Copepoda - Cladocera - Tunicata: The role of three major mesozooplankton groups in pelagic food webs Ecological Research. 17: 161-174. DOI: 10.1046/J.1440-1703.2002.00476.X  0.385
2002 Sommer F, Santer B, Jamieson C, Hansen T, Sommer U. Daphnia population growth but not moulting is a substantial phosphorus drain for phytoplankton Freshwater Biology. 48: 67-74. DOI: 10.1046/J.1365-2427.2003.00971.X  0.32
2002 Sommer U, Stibor H, Katechakis A, Sommer F, Hansen T. Pelagic food web configurations at different levels of nutrient richness and their implications for the ratio fish production:primary production Hydrobiologia. 484: 11-20. DOI: 10.1007/978-94-017-3190-4_2  0.391
2001 Worm B, Lotze HK, Sommer U. Algal propagule banks modify competition, consumer and resource control on Baltic rocky shores. Oecologia. 128: 281-293. PMID 28547477 DOI: 10.1007/S004420100648  0.465
2001 Lotze HK, Worm B, Sommer U. Strong bottom-up and top-down control of early life stages of macroalgae Limnology and Oceanography. 46: 749-757. DOI: 10.4319/Lo.2001.46.4.0749  0.452
2001 Sommer U, Sommer F, Santer B, Jamieson C, Boersma M, Becker C, Hansen T. Complementary impact of copepods and cladocerans on phytoplankton Ecology Letters. 4: 545-550. DOI: 10.1046/J.1461-0248.2001.00263.X  0.423
2001 Sommer U. Reversal of density dependence of juvenile Littorina littorea (Gastropoda) growth in response to periphyton nutrient status Journal of Sea Research. 45: 95-103. DOI: 10.1016/S1385-1101(01)00051-X  0.367
2001 Olsen Y, Reinertsen H, Vadstein O, Andersen T, Gismervik I, Duarte C, Agusti S, Stibor H, Sommer U, Lignell R, Tamminen T, Lancelot C, Rousseau V, Hoell E, Sanderud KA. Comparative analysis of food webs based on flow networks: Effects of nutrient supply on structure and function of coastal plankton communities Continental Shelf Research. 21: 2043-2053. DOI: 10.1016/S0278-4343(01)00041-3  0.3
2001 Worm B, Lotze HK, Sommer U. Algal propagule banks modify competition, consumer and resource control on baltic rocky shores Oecologia. 128: 281-293. DOI: 10.1007/s004420100648  0.361
2000 Worm B, Lotze HK, Sommer U. Coastal food web structure, carbon storage, and nitrogen retention regulated by consumer pressure and nutrient loading Limnology and Oceanography. 45: 339-349. DOI: 10.4319/Lo.2000.45.2.0339  0.454
2000 Worm B, Sommer U. Rapid direct and indirect effects of a single nutrient pulse in a seaweed-epiphyte-grazer system Marine Ecology Progress Series. 202: 283-288. DOI: 10.3354/Meps202283  0.33
2000 Sommer F, Stibor H, Sommer U, Velimirov B. Grazing by mesozooplankton from Kiel Bight, Baltic Sea, on different sized algae and natural seston size fractions Marine Ecology Progress Series. 199: 43-53. DOI: 10.3354/Meps199043  0.316
2000 Sommer U. Scarcity of medium-sized phytoplankton in the northern Red Sea explained by strong bottom-up and weak top-down control Marine Ecology Progress Series. 197: 19-25. DOI: 10.3354/Meps197019  0.364
2000 Lotze HK, Worm B, Sommer U. Propagule banks, herbivory and nutrient supply control population development and dominance patterns in macroalgal blooms Oikos. 89: 46-58. DOI: 10.1034/J.1600-0706.2000.890106.X  0.436
2000 Hillebrand H, Sommer U. Effect of continuous nutrient enrichment on microalgae colonizing hard substrates Hydrobiologia. 426: 185-192. DOI: 10.1023/A:1003943201178  0.593
2000 Hillebrand H, Sommer U. Diversity of benthic microalgae in response to colonization time and eutrophication Aquatic Botany. 67: 221-236. DOI: 10.1016/S0304-3770(00)00088-7  0.62
1999 Flöder S, Sommer U. Diversity in planktonic communities: An experimental test of the intermediate disturbance hypothesis Limnology and Oceanography. 44: 1114-1119. DOI: 10.4319/Lo.1999.44.4.1114  0.427
1999 Hillebrand H, Sommer U. The nutrient stoichiometry of benthic microalgal growth: Redfield proportions are optimal Limnology and Oceanography. 44: 440-446. DOI: 10.4319/Lo.1999.44.2.0440  0.563
1999 Watermann F, Hillebrand H, Gerdes G, Krumbein WE, Sommer U. Competition between benthic cyanobacteria and diatoms as influenced by different grain sizes and temperatures Marine Ecology Progress Series. 187: 77-87. DOI: 10.3354/Meps187077  0.582
1999 Worm B, Lotze HK, Boström C, Engkvist R, Labanauskas V, Sommer U. Marine diversity shift linked to interactions among grazers, nutrients and propagule banks Marine Ecology Progress Series. 185: 309-314. DOI: 10.3354/Meps185309  0.481
1999 Sommer U. A comment on the proper use of nutrient ratios in microalgal ecology Fundamental and Applied Limnology. 146: 55-64. DOI: 10.1127/Archiv-Hydrobiol/146/1999/55  0.41
1999 Sommer U. The impact of herbivore type and grazing pressure on benthic microalgal diversity Ecology Letters. 2: 65-69. DOI: 10.1046/J.1461-0248.1999.22052.X  0.317
1999 Sommer U. The susceptibility of benthic microalgae to periwinkle (Littorina littorea, Gastropoda) grazing in laboratory experiments Aquatic Botany. 63: 11-21. DOI: 10.1016/S0304-3770(98)00108-9  0.377
1999 Sommer U. Periphyton Architecture and Susceptibility to Grazing by Periwinkles (Littorina littorea, Gastropoda) International Review of Hydrobiology. 84: 197-204. DOI: 10.1002/Iroh.199900020  0.372
1998 Sommer U. From algal competition to animal production: Enhanced ecological efficiency of Brachionus plicatilis with a mixed diet Limnology and Oceanography. 43: 1393-1396. DOI: 10.4319/Lo.1998.43.6.1393  0.409
1998 Sommer U. Silicate and the functional geometry of marine phytoplankton Journal of Plankton Research. 20: 1853-1859. DOI: 10.1093/Plankt/20.9.1853  0.351
1997 Sommer U. Selectivity of Idothea chelipes (Crustacea: Isopoda) grazing on benthic microalgae Limnology and Oceanography. 42: 1622-1628. DOI: 10.4319/Lo.1997.42.7.1622  0.351
1997 Hillebrand H, Sommer U. Response of epilithic microphytobenthos of the Western Baltic Sea to in situ experiments with nutrient enrichment Marine Ecology Progress Series. 160: 35-46. DOI: 10.3354/Meps160035  0.655
1996 Sommer U. Nutrient competition experiments with periphyton from the Baltic Sea Marine Ecology Progress Series. 140: 161-167. DOI: 10.3354/Meps140161  0.38
1996 Hillebrand H, Sommer U. Nitrogenous nutrition of the potentially toxic diatom Pseudonitzschia pungens f. multiseries Hasle Journal of Plankton Research. 18: 295-301. DOI: 10.1093/Plankt/18.2.295  0.533
1995 Sommer U. An experimental test of the intermediate disturbance hypothesis using cultures of marine phytoplankton Limnology and Oceanography. 40: 1271-1277. DOI: 10.4319/Lo.1995.40.7.1271  0.398
1994 Sommer U. The impact of light intensity and daylength on silicate and nitrate competition among marine phytoplankton Limnology and Oceanography. 39: 1680-1688. DOI: 10.4319/Lo.1994.39.7.1680  0.356
1994 Sommer U. Are marine diatoms favoured by high Si:N ratios? Marine Ecology Progress Series. 115: 309-315. DOI: 10.3354/Meps115309  0.339
1993 Sommer U, Gaedke U, Schweizer A. The first decade of oligotrophication of Lake Constance : II. The response of phytoplankton taxonomic composition. Oecologia. 93: 276-284. PMID 28313618 DOI: 10.1007/Bf00317682  0.447
1993 Makulla A, Sommer U. Relationships between resource ratios and phytoplankton species composition during spring in five north German lakes Limnology and Oceanography. 38: 846-856. DOI: 10.4319/Lo.1993.38.4.0846  0.401
1993 Sommer U. Phytoplankton competition in Plußsee: A field test of the resource-ratio hypothesis Limnology and Oceanography. 38: 838-845. DOI: 10.4319/Lo.1993.38.4.0838  0.417
1993 Reynolds CS, Padisák J, Sommer U. Intermediate disturbance in the ecology of phytoplankton and the maintenance of species diversity: a synthesis Hydrobiologia. 249: 183-188. DOI: 10.1007/Bf00008853  0.348
1993 Sommer U. Disturbance-diversity relationships in two lakes of similar nutrient chemistry but contrasting disturbance regimes Hydrobiologia. 249: 59-65. DOI: 10.1007/Bf00008843  0.467
1993 Sommer U, Padisák J, Reynolds CS, Juhász-Nagy P. Hutchinson's heritage: the diversity-disturbance relationship in phytoplankton Hydrobiologia. 249: 1-7. DOI: 10.1007/Bf00008837  0.309
1992 Sommer U. Phosphorus-limited Daphnia: Intraspecific facilitation instead of competition Limnology and Oceanography. 37: 966-973. DOI: 10.4319/Lo.1992.37.5.0966  0.31
1991 Sommer U. Convergent succession of phytoplankton in microcosms with different inoculum species composition. Oecologia. 87: 171-179. PMID 28313833 DOI: 10.1007/Bf00325254  0.434
1991 Sommer U. Phytoplankton: Directional Succession and Forced Cycles Ecological Studies. 85: 132-146. DOI: 10.1007/978-3-642-75650-4_7  0.432
1989 Sommer U. Maximal growth rates of Antarctic phytoplankton: Only weak dependence on cell size Limnology and Oceanography. 34: 1109-1112. DOI: 10.4319/Lo.1989.34.6.1109  0.362
1988 Sommer U. The species composition of Antarctic phytoplankton interpreted in terms of Tilman's competition theory. Oecologia. 77: 464-467. PMID 28311265 DOI: 10.1007/Bf00377261  0.401
1988 Sommer U. Some size relationships in phytoflagellate motility Hydrobiologia. 161: 125-131. DOI: 10.1007/Bf00044105  0.355
1986 Sommer U. Phytoplankton competition along a gradient of dilution rates. Oecologia. 68: 503-506. PMID 28311703 DOI: 10.1007/Bf00378762  0.352
1986 Sommer U, Maciej Gliwicz Z. Long range vertical migration of Volvox in tropical Lake Cahora Bassa (Mozambique) Limnology and Oceanography. 31: 650-653. DOI: 10.4319/Lo.1986.31.3.0650  0.334
1986 Sommer U. Nitrate- and silicate-competition among antarctic phytoplankton Marine Biology. 91: 345-351. DOI: 10.1007/Bf00428628  0.399
1986 Sommer U. The periodicity of phytoplankton in Lake Constance (Bodensee) in comparison to other deep lakes of central Europe Hydrobiologia. 138: 1-7. DOI: 10.1007/Bf00027228  0.402
1985 Sommer U, Kilham SS. Phytoplankton natural community competition experiments: A reinterpretation Limnology and Oceanography. 30: 436-440. DOI: 10.4319/Lo.1985.30.2.0436  0.388
1985 Sommer U. Seasonal Succession of Phytoplankton in Lake Constance Bioscience. 35: 351-357. DOI: 10.2307/1309903  0.415
1984 Sommer U. The paradox of the plankton: Fluctuations of phosphorus availability maintain diversity of phytoplankton in flow-through cultures1 Limnology and Oceanography. 29: 633-636. DOI: 10.4319/Lo.1984.29.3.0633  0.375
1984 Heaney S, Sommer U. Changes of algal biomass as carbon, cell number and volume, in bottles suspended in Lake Constance Journal of Plankton Research. 6: 239-247. DOI: 10.1093/Plankt/6.2.239  0.395
1984 Sommer U. Sedimentation of principal phytoplankton species in Lake Constance Journal of Plankton Research. 6: 1-14. DOI: 10.1093/Plankt/6.1.1  0.354
1982 Sommer U. Vertical niche separation between two closely related planktonic flagellate species (Rhodomonas lens and Rhodomonas minuta v. nannoplanctica) Journal of Plankton Research. 4: 137-142. DOI: 10.1093/Plankt/4.1.137  0.346
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