Gary C. Packard - Publications

Affiliations: 
Zoology Colorado State University, Fort Collins, CO 

89 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 Packard GC. Rethinking the metabolic allometry of ants Evolutionary Ecology. 34: 149-161. DOI: 10.1007/S10682-020-10033-5  0.322
2017 Packard GC. Why allometric variation in mammalian metabolism is curvilinear on the logarithmic scale. Journal of Experimental Zoology. Part a, Ecological and Integrative Physiology. 327: 537-541. PMID 29474006 DOI: 10.1002/Jez.2129  0.309
2016 Packard GC. Is complex allometry in field metabolic rates of mammals a statistical artifact? Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. PMID 27769910 DOI: 10.1016/J.Cbpa.2016.10.005  0.321
2016 Packard GC. Relative Growth by the Elongated Jaws of Gars: A Perspective on Polyphasic Loglinear Allometry. Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution. 326: 168-75. PMID 27170556 DOI: 10.1002/Jez.B.22673  0.322
2015 Packard GC. Quantifying the curvilinear metabolic scaling in mammals. Journal of Experimental Zoology. Part a, Ecological Genetics and Physiology. 323: 540-6. PMID 26173580 DOI: 10.1002/Jez.1946  0.332
2011 Packard GC. Rotational distortion in conventional allometric analyses. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 159: 392-400. PMID 21527351 DOI: 10.1016/J.Cbpa.2011.04.005  0.319
2009 Packard GC, Taigen TL, Packard MJ, Boardman TJ. Changes in mass of eggs of softshell turtless (Trionyx spiniferus) incubated under hydric conditions simulating those of natural nests Journal of Zoology. 193: 81-90. DOI: 10.1111/J.1469-7998.1981.Tb01492.X  0.461
2008 Packard GC, Birchard GF. Traditional allometric analysis fails to provide a valid predictive model for mammalian metabolic rates. The Journal of Experimental Biology. 211: 3581-7. PMID 18978222 DOI: 10.1242/Jeb.023317  0.312
2006 Sternadel LL, Packard GC, Packard MJ. Influence of the nest environment on bone mineral content in hatchling painted turtles (Chrysemys picta). Physiological and Biochemical Zoology : Pbz. 79: 1069-81. PMID 17041872 DOI: 10.1086/507662  0.34
2006 Packard GC, Packard MJ. The relationship between gut contents and supercooling capacity in hatchling painted turtles (Chrysemys picta). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 144: 98-104. PMID 16580240 DOI: 10.1016/J.Cbpa.2006.02.010  0.369
2005 Packard MJ, Packard GC. Patterns of variation in glycogen, free glucose and lactate in organs of supercooled hatchling painted turtles (Chrysemys picta). The Journal of Experimental Biology. 208: 3169-76. PMID 16081614 DOI: 10.1242/Jeb.01743  0.313
2005 Packard MJ, Packard GC. Lactate and free glucose in supercooled hatchling painted turtles (Chrysemys picta) exposed to natural and semi-natural thermal regimes Functional Ecology. 19: 520-528. DOI: 10.1111/J.1365-2435.2005.01004.X  0.34
2004 Packard GC, Packard MJ. To freeze or not to freeze: adaptations for overwintering by hatchlings of the North American painted turtle. The Journal of Experimental Biology. 207: 2897-906. PMID 15277545 DOI: 10.1242/Jeb.01123  0.348
2003 Packard GC, Packard MJ. Natural freeze-tolerance in hatchling painted turtles? Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 134: 233-46. PMID 12547253 DOI: 10.1016/S1095-6433(02)00264-7  0.327
2003 Packard GC, Packard MJ. Influence of acclimation and incubation medium on supercooling by hatchling painted turtles, Chrysemys picta Functional Ecology. 17: 611-618. DOI: 10.1046/J.1365-2435.2003.00780.X  0.335
2003 Packard GC, Packard MJ. Cold acclimation enhances cutaneous resistance to inoculative freezing in hatchling painted turtles, Chrysemys picta Functional Ecology. 17: 94-100. DOI: 10.1046/J.1365-2435.2003.00711.X  0.328
2002 Packard GC, Packard MJ. Wetness of the nest environment influences cardiac development in pre- and post-natal snapping turtles (Chelydra serpentina). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 132: 905-12. PMID 12095870 DOI: 10.1016/S1095-6433(02)00117-4  0.355
2001 Sims PA, Packard GC, Chapman PL. The Adaptive Strategy for Overwintering by Hatchling Snapping Turtles (Chelydra serpentina) Journal of Herpetology. 35: 514. DOI: 10.2307/1565974  0.405
2001 Packard GC, Packard MJ. Environmentally induced variation in size, energy reserves and hydration of hatchling Painted Turtles, Chrysemys picta Functional Ecology. 15: 481-489. DOI: 10.1046/J.0269-8463.2001.00543.X  0.41
2000 Packard GC, Packard MJ, Birchard GF. Availability of water affects organ growth in prenatal and neonatal snapping turtles (Chelydra serpentina). Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 170: 69-74. PMID 10707327 DOI: 10.1007/S003600050009  0.429
2000 Hartley LM, Packard MJ, Packard GC. Accumulation of lactate by supercooled hatchlings of the painted turtle (Chrysemys picta): implications for overwinter survival. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 170: 45-50. PMID 10707324 DOI: 10.1007/S003600050006  0.348
2000 Packard GC, Packard MJ. Developmental plasticity in Painted Turtles, Chrysemys picta Functional Ecology. 14: 474-483. DOI: 10.1046/J.1365-2435.2000.00448.X  0.462
1999 Packard GC, Packard MJ, Lang JW, Tucker JK. Tolerance For Freezing In Hatchling Turtles Journal of Herpetology. 33: 536-543. DOI: 10.2307/1565569  0.346
1999 Packard GC, Lang JW, Lohmiller LD, Packard MJ. Resistance to freezing in hatchling painted turtles (Chrysemys picta) Canadian Journal of Zoology. 77: 795-801. DOI: 10.1139/Z99-034  0.374
1999 Packard GC, Miller K, Packard MJ, Birchard GF. Environmentally induced variation in body size and condition in hatchling snapping turtles (Chelydra serpentina) Canadian Journal of Zoology. 77: 278-289. DOI: 10.1139/Z98-217  0.47
1999 Packard GC. Water Relations Of Chelonian Eggs And Embryos : Is Wetter Better? Integrative and Comparative Biology. 39: 289-303. DOI: 10.1093/Icb/39.2.289  0.461
1999 Packard GC, Boardman TJ. The use of percentages and size-specific indices to normalize physiological data for variation in body size: wasted time, wasted effort? Comparative Biochemistry and Physiology a-Molecular & Integrative Physiology. 122: 37-44. DOI: 10.1016/S1095-6433(98)10170-8  0.318
1998 Attaway MB, Packard GC, Packard MJ. Hatchling painted turtles (Chrysemys picta) survive only brief freezing of their bodily fluids. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 120: 405-8. PMID 9787824 DOI: 10.1016/S1095-6433(98)00031-2  0.352
1998 Tucker JK, Packard GC. Overwinter Survival By Hatchling Sliders (Trachemys Scripta) In West-Central Illinois Journal of Herpetology. 32: 431-434. DOI: 10.2307/1565459  0.342
1997 Packard GC, Lang JW, Lohmiller LD, Packard MJ. Cold tolerance in hatchling painted turtles (Chrysemys picta): supercooling or tolerance for freezing? Physiological Zoology. 70: 670-8. PMID 9361141 DOI: 10.1086/515875  0.369
1997 Packard GC, Tucker JK, Nicholson D, Packard MJ. Cold Tolerance in Hatchling Slider Turtles (Trachemys scripta) Copeia. 1997: 339. DOI: 10.2307/1447753  0.317
1997 Packard GC, Fasano SL, Attaway MB, Lohmiller LD, Lynch TL. Thermal environment for overwintering hatchlings of the painted turtle (Chrysemys picta) Canadian Journal of Zoology. 75: 401-406. DOI: 10.1139/Z97-050  0.301
1997 Packard GC, Packard MJ. Type Of Soil Affects Survival By Overwintering Hatchlings Of The Painted Turtle Journal of Thermal Biology. 22: 53-58. DOI: 10.1016/S0306-4565(96)00034-4  0.306
1996 Thompson MB, Packard GC, Packard MJ, Rose B. Analysis of the nest environment of tuatara Sphenodon punctatus Journal of Zoology. 238: 239-251. DOI: 10.1111/J.1469-7998.1996.Tb05392.X  0.436
1996 Packard GC, Janzen FJ. Interpopulational variation in the cold-tolerance of hatchling painted turtles Journal of Thermal Biology. 21: 183-190. DOI: 10.1016/0306-4565(96)00001-0  0.338
1995 Packard GC, Packard MJ. The Basis for Cold Tolerance in Hatchling Painted Turtles (Chrysemys picta) Physiological and Biochemical Zoology. 68: 129-148. DOI: 10.1086/Physzool.68.1.30163922  0.319
1994 Phillips JA, Packard GC. Influence of temperature and moisture on eggs and embryos of the white-throated Savanna monitor Varanus albigularis: Implications for conservation Biological Conservation. 69: 131-136. DOI: 10.1016/0006-3207(94)90052-3  0.444
1993 Packard GC, Miller K, Packard MJ. Environmentally induced variation in body size of turtles hatching in natural nests. Oecologia. 93: 445-448. PMID 28313447 DOI: 10.1007/Bf00317890  0.394
1993 Packard MJ, Packard GC. Water loss from eggs of domestic fowl and calcium status of hatchlings Journal of Comparative Physiology B-Biochemical Systemic and Environmental Physiology. 163: 327-331. PMID 8408844 DOI: 10.1007/Bf00347783  0.425
1993 Cagle KD, Packard GC, Miller K, Packard MJ. Effects of the microclimate in natural nests on development of embryonic painted turtles, Chrysemys picta Functional Ecology. 7: 653-660. DOI: 10.2307/2390185  0.459
1993 Packard GC, Packard MJ. Sources of Variation in Laboratory Measurements of Water Relations of Reptilian Eggs and Embryos Physiological and Biochemical Zoology. 66: 115-127. DOI: 10.1086/Physzool.66.1.30158290  0.44
1993 Packard GC, Ruble KA, Packard MJ. Hatchling snapping turtles overwintering in natural nests are inoculated by ice in frozen soil Journal of Thermal Biology. 18: 185-188. DOI: 10.1016/0306-4565(93)90001-A  0.314
1993 Packard GC, Packard MJ. Hatchling painted turtles ( Chrysemys picta ) survive exposure to subzero temperatures during hibernation by avoiding freezing Journal of Comparative Physiology B-Biochemical Systemic and Environmental Physiology. 163: 147-152. DOI: 10.1007/Bf00263600  0.348
1992 Packard MJ, Phillips JA, Packard GC. Sources of mineral for green iguanas (Iguana iguana) developing in eggs exposed to different hydric environments Copeia. 1992: 851-858. DOI: 10.2307/1446162  0.421
1992 Miller K, Packard GC. The Influence of Substrate Water Potential during Incubation on the Metabolism of Embryonic Snapping Turtles (Chelydra serpentina) Physiological and Biochemical Zoology. 65: 172-187. DOI: 10.1086/Physzool.65.1.30158245  0.409
1991 Packard MJ, Packard GC. Sources of calcium, magnesium, and phosphorus for embryonic softshell turtles (Trionyx spiniferus) Journal of Experimental Zoology. 258: 151-157. DOI: 10.1002/Jez.1402580203  0.391
1990 Packard GC, Packard MJ. Growth of embryonic softshell turtles is unaffected by uremia Canadian Journal of Zoology. 68: 841-844. DOI: 10.1139/Z90-121  0.338
1990 Birchard GF, Packard MJ, Packard GC. Effect of temperature and hydric conditions on blood pH in embryonic snapping turtles (Chelydra serpentina) Canadian Journal of Zoology. 68: 190-193. DOI: 10.1139/Z90-027  0.307
1990 Janzen FJ, Packard GC, Packard MJ, Boardman TJ, Zumbrunnen JR. Mobilization of lipid and protein by embryonic snapping turtles in wet and dry environments Journal of Experimental Zoology. 255: 155-162. DOI: 10.1002/Jez.1402550204  0.398
1990 Packard GC, Packard MJ. Patterns of survival at subzero temperatures by hatchling painted turtles and snapping turtles Journal of Experimental Zoology. 254: 233-236. DOI: 10.1002/Jez.1402540216  0.341
1989 Packard GC, Packard MJ, McDaniel PL, McDaniel LL. Tolerance of hatchling painted turtles to subzero temperatures Canadian Journal of Zoology. 67: 828-830. DOI: 10.1139/Z89-122  0.316
1989 Packard MJ, Packard GC. Environmental modulation of calcium and phosphorus metabolism in embryonic snapping turtles (Chelydra serpentina) Journal of Comparative Physiology B-Biochemical Systemic and Environmental Physiology. 159: 501-508. DOI: 10.1007/Bf00692422  0.327
1988 Packard GC, Packard MJ. Water Relations of Embryonic Snapping Turtles (Chelydra serpentina) Exposed to Wet or Dry Environments at Different Times in Incubation Physiological and Biochemical Zoology. 61: 95-106. DOI: 10.1086/Physzool.61.2.30156140  0.461
1988 Packard GC, Boardman TJ. The Misuse of Ratios, Indices, and Percentages in Ecophysiological Research Physiological and Biochemical Zoology. 61: 1-9. DOI: 10.1086/Physzool.61.1.30163730  0.301
1988 Packard GC, Packard MJ, Miller K, Boardman TJ. Effects of temperature and moisture during incubation on carcass composition of hatchling snapping turtles (Chelydra serpentina) Journal of Comparative Physiology B-Biochemical Systemic and Environmental Physiology. 158: 117-125. DOI: 10.1007/Bf00692735  0.428
1987 Packard GC, Packard MJ, Miller K, Boardman TJ. Influence of Moisture, Temperature, and Substrate on Snapping Turtle Eggs and Embryos Ecology. 68: 983-993. DOI: 10.2307/1938369  0.447
1987 Gutzke WHN, Packard GC. The Influence of Temperature on Eggs and Hatchlings of Blanding's Turtles, Emydoidea blandingii Journal of Herpetology. 21: 161. DOI: 10.2307/1564476  0.336
1987 Packard GC, Packard MJ. Water relations and nitrogen excretion in embryos of the oviparous snake Coluber constrictor Copeia. 1987: 395-406. DOI: 10.2307/1445776  0.301
1987 Gutzke WHN, Packard GC. Influence of the Hydric and Thermal Environments on Eggs and Hatchlings of Bull Snakes Pituophis melanoleucus Physiological Zoology. 60: 9-17. DOI: 10.1086/Physzool.60.1.30158624  0.431
1986 Packard GC, Packard MJ. Nitrogen excretion by embryos of a gallinaceous bird and a reconsideration of the evolutionary origin of uricotely Canadian Journal of Zoology. 64: 691-693. DOI: 10.1139/Z86-101  0.346
1986 Packard MJ, Packard GC. Effect of Water Balance on Growth and Calcium Mobilization of Embryonic Painted Turtles (Chrysemys picta) Physiological and Biochemical Zoology. 59: 398-405. DOI: 10.1086/Physzool.59.4.30158593  0.423
1986 Gutzke WHN, Packard GC. Sensitive Periods for the Influence of the Hydric Environment on Eggs and Hatchlings of Painted Turtles (Chrysemys picta) Physiological and Biochemical Zoology. 59: 337-343. DOI: 10.1086/Physzool.59.3.30156105  0.455
1985 Packard MJ, Packard GC, Miller JD, Jones ME, Gutzke WH. Calcium mobilization, water balance, and growth in embryos of the agamid lizard Amphibolurus barbatus. The Journal of Experimental Zoology. 235: 349-57. PMID 4056696 DOI: 10.1002/Jez.1402350306  0.307
1985 Packard GC, Paukstis GL, Boardman TJ, Gutzke WHN. Daily and seasonal variation in hydric conditions and temperature inside nests of common snapping turtles (Chelydra serpentina) Canadian Journal of Zoology. 63: 2422-2429. DOI: 10.1139/Z85-358  0.394
1985 Gutzke WHN, Packard GC. Hatching success in relation to egg size in painted turtles (Chrysemys picta) Canadian Journal of Zoology. 63: 67-70. DOI: 10.1139/Z85-013  0.41
1985 Packard GC, Packard MJ, Gutzke WHN. Influence of Hydration of the Environment on Eggs and Embryos of the Terrestrial Turtle Terrapene ornata Physiological Zoology. 58: 564-575. DOI: 10.1086/Physzool.58.5.30158583  0.463
1984 Packard MJ, Iverson JB, Packard GC. Morphology of shell formation in eggs of the turtle Kinosternon flavescens. Journal of Morphology. 181: 21-28. PMID 30029571 DOI: 10.1002/Jmor.1051810104  0.302
1984 Paukstis GL, Gutzke WHN, Packard GC. Effects of substrate water potential and fluctuating temperatures on sex ratios of hatchling painted turtles (Chrysemys picta) Canadian Journal of Zoology. 62: 1491-1494. DOI: 10.1139/Z84-216  0.385
1984 Packard GC, Packard MJ. Nitrogen excretion by embryos of an altricial bird, the redwing blackbird (Agelaius phoeniceus) Journal of Experimental Zoology. 231: 363-366. DOI: 10.1002/Jez.1402310310  0.377
1983 Packard GC, Packard MJ. Patterns of Nitrogen Excretion by Embryonic Softshell Turtles (Trionyx spiniferus) Developing in Cleidoic Eggs. Science. 221: 1049-1050. PMID 17736654 DOI: 10.1126/Science.221.4615.1049  0.442
1983 Packard GC, Packard MJ, Boardman TJ, Morris KA, Shuman RD. Influence of Water Exchanges by Flexible-Shelled Eggs of Painted Turtles Chrysemys picta on Metabolism and Growth of Embryos Physiological and Biochemical Zoology. 56: 217-230. DOI: 10.1086/Physzool.56.2.30156053  0.479
1982 Packard MJ, Burns LK, Hirsch KF, Packard GC. Structure of shells of eggs of Callisaurus draconoides (Reptilia, Squamata, Iguanidae) Zoological Journal of the Linnean Society. 75: 297-316. DOI: 10.1111/J.1096-3642.1982.Tb01950.X  0.313
1982 Packard GC, Packard MJ, Boardman TJ. An experimental analysis of the water relations of eggs of Blanding's turtles (Emydoidea blandingii) Zoological Journal of the Linnean Society. 75: 23-34. DOI: 10.1111/J.1096-3642.1982.Tb01940.X  0.477
1981 Packard GC, Packard MJ, Boardman TJ, Ashen MD. Possible adaptive value of water exchanges in flexible-shelled eggs of turtles. Science. 213: 471-473. PMID 17760193 DOI: 10.1126/Science.213.4506.471  0.442
1981 Packard GC, Packard MJ, Boardman TJ. Patterns and Possible Significance of Water Exchange by Flexible-Shelled Eggs of Painted Turtles (Chrysemys picta) Physiological and Biochemical Zoology. 54: 165-178. DOI: 10.1086/Physzool.54.1.30155815  0.475
1980 Packard GC, Taigen TL, Packard MJ, Boardman TJ. Water relations of pliable-shelled eggs of common snapping turtles (Chelydra serpentina). Canadian Journal of Zoology. 58: 1404-11. PMID 7427826 DOI: 10.1139/Z80-193  0.752
1980 Packard MJ, Packard GC, Boardman TJ. Water balance of the eggs of a desert lizard (Callisaurus draconoides) Canadian Journal of Zoology. 58: 2051-2058. DOI: 10.1139/Z80-281  0.464
1980 Packard GC, Packard MJ. Evolution of the Cleidoic Egg Among Reptilian Antecedents of Birds Integrative and Comparative Biology. 20: 351-362. DOI: 10.1093/Icb/20.2.351  0.456
1980 Taigen TL, Packard GC, Sotherland PR, Boardman TJ, Packard MJ. Water-Vapor Conductance of Black-Billed Magpie (Pica pica) Eggs Collected along an Altitudinal Gradient Physiological and Biochemical Zoology. 53: 163-169. DOI: 10.1086/Physzool.53.2.30152579  0.747
1979 Packard GC, Taigen TL, Packard MJ, Shuman RD. Water-vapor conductance of testudinian and crocodilian eggs (class reptilia). Respiration Physiology. 38: 1-10. PMID 515558 DOI: 10.1016/0034-5687(79)90002-1  0.75
1979 Hanka LR, Packard GC, Sotherland PR, Taigen TL, Boardman TJ, Packard MJ. Ontogenetic changes in water-vapor conductance of eggs of yellow-headed blackbirds (Xanthocephalus xanthocephalus) Journal of Experimental Zoology. 210: 183-188. DOI: 10.1002/Jez.1402100121  0.745
1978 Tracy CR, Packard GC, Packard MJ. Water Relations of Chelonian Eggs Physiological Zoology. 51: 378-387. DOI: 10.1086/Physzool.51.4.30160963  0.45
1977 Packard GC, Sotherland PR, Packard MJ. Adaptive reduction in permeability of avian eggshells to water vapour at high altitudes Nature. 266: 255-256. PMID 846568 DOI: 10.1038/266255A0  0.377
1977 Packard GC, Tracy CR, Roth JJ. The physiological ecology of reptilian eggs and embryos, and the evolution of viviparity within the class reptilia. Biological Reviews of the Cambridge Philosophical Society. 52: 71-105. PMID 319843 DOI: 10.1111/J.1469-185X.1977.Tb01346.X  0.467
1977 Miller K, Packard GC. An Altitudinal Cline in Critical Thermal Maxima of Chorus Frogs (Pseudacris triseriata) The American Naturalist. 111: 267-277. DOI: 10.1086/283159  0.319
1976 Cushman JR, Packard GC, Boardman TJ. Concentrations of lactic acid in neotenic and transformed tiger salamanders ( Ambystoma tigrinum ) before and after activity Journal of Comparative Physiology B-Biochemical Systemic and Environmental Physiology. 112: 273-281. DOI: 10.1007/Bf00692298  0.304
1975 Packard GC, Packard MJ. The influence of acclimation temperature on the metabolic response of frog tissue to thyroxine administered in vivo. General and Comparative Endocrinology. 27: 162-168. PMID 1081965 DOI: 10.1016/0016-6480(75)90230-0  0.303
1974 Packard GC. THE EVOLUTION OF AIR-BREATHING IN PALEOZOIC GNATHOSTOME FISHES. Evolution; International Journal of Organic Evolution. 28: 320-325. PMID 28563272 DOI: 10.1111/J.1558-5646.1974.Tb00751.X  0.343
1974 Packard GC, Packard MJ, Stiverson RK. The influence of thyroxine on oxygen consumption of tissues from the frog Rana pipiens. General and Comparative Endocrinology. 22: 195-198. PMID 4544464 DOI: 10.1016/0016-6480(74)90110-5  0.31
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