revised 9/17/19
(downloading pdf’s for any reason other than personal use in research or education is a violation of copyright)
Barnas, A, BJ Darby, GS Vandeberg, RF Rockwell and SN Ellis-Felege. 2019. A comparison of drone imagery and groundbased methods for estimating the extent of habitat destruction by lesser snow geese (Anser caerulascens caerulescens) in La Perouse Bay. Plos One 14(8):e0217049. https://doi.org/10.1371/journal/pbone.0217049.
Iles, DT, RF Rockwell and DN Koons. 2019. Shifting vital rate correlations alter predicted population responses to increasingly variable environments. American Naturalist 293(3):E57-E64.
Barnas, A, CJ Felege, RF Rockwell and SN Ellis-Felege. 2018. A pilot(less) study on the use of an unmanned aircraft system for studying polar bears. Polar Biology 41(5):2055-1062.
Iles, DT, RF Rockwell and DN Koons. 2018. Reproductive success of a keystone herbivore is more variable and responsive to climate in habitats with lower resource diversity. Journal of Animal Ecology 1-10 doi:10.1111/1365-2656.12837.
Barnas, A, R Newman, CJ Felege, MP Corcoran, SD Hervey, TJ Stechmann, RF Rockwell and SN Ellis-Felege. 2017. Evaluating behavioural response of nesting lesser snow geese to unmanned aircraft surveys. Ecology and Evolution DOI: 10.1002/ece3.3731.
Gormezano, Linda J., Susan N. Ellis-Felege, David T. Iles, Andrew Barnas and Robert F. Rockwell. 2017. Polar bear foraging behavior during the ice-free period in western Hudson Bay: observations, origins, and potential significance. American Museum Novitiates 3885, 28pp. Flint, PL, JB Grand, MR Petersen and RF Rockwell. 2016. Effects of lead exposure, environmental conditions, and metapopulation processes on population dynamics of spectacled eiders. North American Fauna 81. Gormezano, LJ, SR McWilliams, DT Iles and RF Rockwell. 2016. Costs of locomotion in polar bears: when do the costs outweigh the benefits of chasing down terrestrial prey? Conservation Physiology 4 CONPHYS-2016-028.R1/cow045
Mulder, CPH, DT Iles and RF Rockwell. 2016. Increased variance in temperature and lag effects alter phenological responses to rapid warming in a subarcticplant community. Global Change Biology (in press) doi: 10.1111/gcb.13386 Mills, JA, C. Teplitsky and 61 others including RF Rockwell. 2016. Archiving primary data: solutions for long-term studies: a reply to Whitlock et al. Trends in Ecology and Evolution (in press) doi:10.1016/j.tree.2015.12.004 Gormezano, LJ and RF Rockwell. 2015. The Energetic Value of Land-Based Foods in Western Hudson Bay and Their Potential to Alleviate Energy Deficits of Starving AdultMale Polar Bears. PLOS ONE DOI:10.1371/journal.pone.0128520. Mills, JA, C. Teplitsky and 61 others including RF Rockwell. 2015. Archiving primary data: solutions for long-term studies. Trends in Ecology and Evolution 30:581-589. Koons, DN, RF Rockwell, and LM Aubry. 2014. Effects of exploitation on an overabundant species: the lesser snow goose predicament. Journal of Animal Ecology 83:365-374. Koons, DN, M Gamelon, J-M Gaillard, LM Aubry, RF Rockwell, F Klein, R Choquet and O Gimenez. 2014. Methods for studying cause-specific senescence in the wild. Methods in Ecology and Evolution (on-line early) doi: 10.1111/2041-210X.12239. Peterson, SL, RF Rockwell, CR Witte, and DN Koons. 2014. Legacy effects of habitat degradation by lesser snow geese on nesting savannah sparrows. The Condor: Ornithological Applications 116:527-537. Gormezano, LJ and RF Rockwell. 2013. Dietary composition and spatial patterns of polar bear foraging on land in western Hudson Bay. BMC Ecology 13:51. Gormezano, LJ and RF Rockwell. 2013. What to eat now? Shifts in terrestrial diet in western Hudson Bay. Ecology and Evolution 3(10): 3509–3523. Iles, D.T., R.F. Rockwell, P. Matulonis, G.J. Robertson, K.F. Abraham, C. Davies, and D.N. Koons. 2013. The effects of predators, alternative prey, and climate on common eider nesting success. Journal of Animal Ecology 82:683–693. Koons, DN, RF Rockwell, and LM Aubry. 2013. Effects of exploitation on an overabundant species: the lesser snow goose predicament. Journal of Animal Ecology (online early) DOI: 10.1111/1365-2656.12133. Peterson, SL, RF Rockwell, CR Witte and DN Koons. 2013. The legacy of destructive snow goose foraging on supratidal marsh habitat in the Hudson Bay Lowlands. Arctic, Antarctic, and Alpine Research 45:575-583. Aubry, L.M., R.F. Rockwell, E.G. Cooch, R.W. Brook, C.P. Mulder, and D.N. Koons. 2013. Climate, phenology, and habitat degradation: drivers of gosling body condition and juvenile survival in lesser snow geese. Global Change Biology 19:149-160. Iles, DT, SL Peterson, LJ Gormezano, DN Koons and RF Rockwell. 2013. Terrestrial predation by polar bears: not just a wild goose chase. Polar Biology 36:1373-1379.
Weckel, M and RF Rockwell. 2013. Can controlled bow hunts reduce overabundant white-tailed deer populations in suburban ecosystems? Ecological Modelling 250:143-154. Abraham, K. F., R. L. Jefferies, R. T. Alisauskas, and R. F. Rockwell. 2012. Northern wetland ecosystems and their response to high densities of lesser snow geese and Ross’s geese. Pages 9-45. In Leafloor, J. O., T. J. Moser, and B. D. J. Batt (editors). Evaluation of special management measures for midcontinent lesser snow geese and Ross’s geese. Arctic Goose Joint Venture Special Publication. U.S. Fish and Wildlife Service, Washington, D.C. and Canadian Wildlife Service, Ottawa, Ontario. Dufour, K, RT Alisauskas, RF Rockwell and E Reed. 2012. Temporal variation in survival and productivity of mid-continent lesser snow geese and its relation to population reduction efforts. Pages 95-131. In Leafloor, J. O., T. J. Moser, and B. D. J. Batt (editors). Evaluation of special management measures for midcontinent lesser snow geese and Ross’s geese. Arctic Goose Joint Venture Special Publication. U.S. Fish and Wildlife Service, Washington, D.C. and Canadian Wildlife Service, Ottawa, Ontario.
Rockwell, RF, K Dufour, E Reed and DN Koons. 2012. Modeling the Mid-continent Population of Lesser Snow Geese. Pages 178-201. In Leafloor, J. O., T. J. Moser, and B. D. J. Batt (editors). Evaluation of special management measures for midcontinent lesser snow geese and Ross’s geese. Arctic Goose Joint Venture Special Publication. U.S. Fish and Wildlife Service, Washington, D.C. and Canadian Wildlife Service, Ottawa, Ontario.
Nagy, C, K Bardwell, RF Rockwell, M Weckel and R Christie. 2012. Validation of a citizen science-based model of site occupancy for Eastern Screech Owls with systematic data in suburban New York Connecticut. Northeast Naturalist 19:143-158. Nagy, C. and RF Rockwell. 2012. Identification of individual Eastern Screech-Owls (Megascops asio) via vocalization analysis. Bioacoustics 21:127-140. Winiarski, KJ, SR MacWilliams and RF Rockwell. 2012. Rapid environmental degradation in a subarctic ecosystem influences resource use of a keystone avianherbivore. Journal of Animal Ecology 81:1132-1142 French, HT and RF Rockwell. 2011. Climate Change and Avian Population Ecology in Europe. Nature Education Knowledge 2(10):1. Weckel, ME, RF Rockwell and F Secret. 2011. A modification of Jacobson et al.s' (1997) individual branch-antlered male method for censusing white-tailed deer. Wildlife Society Bulletin 35:445-451. Weckel, ME, RF Rockwell and A Wincorn. 2011. The sustainability of controlled archery programs: the motivation and satisfaction of suburban hunters. Wildlife Society Bulletin 35:330-337. Belanger, DH, SL Perkins and RF Rockwell. 2011. Inference of population structure and patterns of gene flow in canine heartworm (Dirofilaria immitis). Journal of Parasitology 97:602-609. Hobson, KA, CM Sharp, RL Jefferies, RF Rockwell and KF Abraham. 2011. Nutrient Allocation Strategies to Eggs by Less er Snow Geese (Chen caerulescens) at a Sub-Arctic Colony. Auk 128:156-165. Rockwell, RF, LJ Gormezano and DN Koons. 2011. Trophic matches and mismatches: can polar bears reduce the abundance of nesting snow geese in western Hudson Bay? Oikos 120: 696-709. Alisauskas, RT, RF Rockwell, KW Dufour, EG Cooch, G Zimmermen, KL Drake, JO Leafloor, TJ Moser and E Reed. 2011. Effect of population reduction efforts on harvest, survival and population growth of Midcontinent lesser snow geese. Wildlife Monographs 179:1-42. Mockrin, MH, RF Rockwell, KH Redford and NS Kueler. 2011. Effects of Landscape Features on the Distribution and Sustainability of Ungulate Hunting in Northern Congo. Conservation Biology 25:514-525 Aubry, LM, RF Rockwell and DN Koons. 2010. Metapopulation dynamics of mid-continent Lesser Snow Geese: Implications for management. Human–Wildlife Interactions 4(2):11-32. Rockwell, RF and LJ Gormezano. 2009. The early bear gets the goose: climate change, polar bears and lesser snow geese in Western Hudson Bay. Polar Biology 32:539-547. Gilliland, SG, HG Gilchrist, RF Rockwell, GJ Robertson, J-P Savard, F Merkel and A Mosbech. 2009. Evaluating the sustainability of harvest among northern Common Eiders in Greenland and Canada. Wildlife Biology 15:24-36. Rockwell, RF, KF Abraham, CR Witte, P Matulonis, M Usai, D Larsen, F Cooke, D Pollak and RL Jefferies. 2009. The Birds of Wapusk National Park. Wapusk National Park Occasional Papers 1:1-47. Parks Canada, Winnipeg. Rockwell, RF, LJ Gormezano and D Hedmann. 2008. Grizzly Bears in Wapusk National Park, Northeastern Manitoba. Canadian Field-Naturalist 122(4) 323-326.
Zaikowski,L, KT McDonnell, RF Rockwell and F Rispoli. 2008.Temporal and spatial variations in dissolved oxygen on New York South Shore Estuary tributaries: Carmans, Patchogue, and Swan Rivers Estuaries and Coasts. Estuaries and Coasts Estuaries and Coasts 31:85–100. Mellor, AA and RF Rockwell. 2006. Habitat Shifts and Parasite Loads of Lesser Snow Geese (Chen caerulescens caerulescens). �coscience 13:497-502. Kajumbula H, RG Wallace, J-C Zong, J Hokello, N Sussman, S Simms, RF Rockwell, R Pozos, GS Hayward and W Boto. 2006. Ugandan KSHV phylogeny: evidence for cross-ethnic transmission of viral subtypes. Intervirology 49:133–143. Koons, DN, RF Rockwell and JB Grand. 2005. Population momentum: implications for wildlife management. Journal of Wildlife Management 70:19-26 Abraham, K. F., R. L. Jefferies, and R. F. Rockwell. 2005. Goose-induced changes in vegetation and land cover between 1976 and 1997 in an Arctic coastal marsh. Arctic, Antarctic and Alpine Research 37:269-275. Koons, DN, JB Grand, B Zinner and RF Rockwell. 2005. Transient population dynamics: relations to life history and initial population state. Ecological Modeling 185:283-297. Pezzanite, B, RF Rockwell, JC Davies, MJJE Loonen and RJ Seguin. 2005. Has habitat degradation affected foraging behaviour and reproductive success of lesser snow geese (Chen caerulescens caerulescens). Ecoscience 12:439-446. Jefferies, RL, RF Rockwell and KF Abraham. 2004. Agricultural food subsidies, migratory connectivity and large-scale disturbance in Arctic coastal systems: a case study. Integrative and Comparative Biology 4:130-139. Nguyen, L. P., R. F. Rockwell, and D. Larsen. 2004. Atypical nest site of a Semipalmated Plover. Wilson Bulletin 116(2) 184-186. Jefferies, RL, RF Rockwell and KF Abraham. 2003. The Embarrassment Of Riches: Agricultural Subsidies, Goose Dynamics And Their Impact On Arctic Wetlands - Continuing Saga. Environmental Reviews (National Research Council of Canada) 11:193-232. Rockwell, RF, BM Pezzanite and P Matulonis. 2003. Developmental abnormalities in wild populations of birds: examples in lesser snow geese (Chen caerulescens caerulescens) American Museum of Natural History Novitates 3400:1-14. Rockwell, RF, CR Witte, RL Jefferies and PJ Weatherhead. 2003. Response Of Nesting Savannah Sparrows To 25 Years Of Habitat Change In A Snow Goose Colony. �coscience 10:33-37. Cooch, EG, G Gauthier and RF Rockwell. 2003. Apparent differences in stochastic growth rates based on timing of census: a cautionary note. Ecological Modeling 159:133-143. Jefferies, RL and RF Rockwell. 2002. Foraging geese, vegetation loss and soil degradation in an Arctic salt marsh. Applied Vegetation Science 5:7-16. Didiuk, AB, RT Alisauskas and RF Rockwell. 2001. Interaction with arctic and subarctic habitats. Pages 19-32 In: TJ Moser (ed.). The Status of Ross’s geese. Arctic Goose Joint Venture Special Publication. US Fish and Wildlife Service, Washington, DC, and Canadian Wildlife Service, Ottawa. (ISBN 0-607-98074-5). Alisauskas, RT and RF Rockwell. 2001. Population dynamics of Ross’s geese. Pages 55-68. In: TJ Moser (ed.). The Status of Ross’s geese. Arctic Goose Joint Venture Special Publication. US Fish and Wildlife Service, Washington, DC, and Canadian Wildlife Service, Ottawa. (ISBN 0-607-98074-5). Flint, P. L., R. F. Rockwell, and J. S. Sedinger. 2001. Estimating repeatability of egg size. Auk 118:500-503. Cooch, EG, RF Rockwell and S Brault. 2001. Retrospective analysis of demographic responses to environmental change: an example in the lesser snow goose. Ecological Monograph 71:377-400. Rockwell, RF and CD Ankney. 2000. Snow Geese - Can We Pay Down the Mortgage? Canadian Wildlife Service Occasional Paper 102:32-34. Vacek, CM and RF Rockwell. 2000. Starving shorebirds: another consequence of a burgeoning snow goose population? South Dakota Conservation Naturalist 67:10-13. Flint, PL, A Fowler and RF Rockwell. 1999. Modeling bird mortality associated with the M/V Citrus oil spill off St. Paul Island, Alaska. Ecological Modeling 117:261-267. Cooch, EG, A Dzubin and RF Rockwell. 1999. Using body size to estimate gosling age. Journal of Field Ornithology 70:214-229. Cooch, EG, DB Lank, RF Rockwell and F Cooke. 1999. Body size and recruitment in snow geese. Bird Study 46: S112-119. Flint, PL, JB Grand and RF Rockwell. 1998. A model of northern pintail productivity and population growth. Journal of Wildlife Management. 62:1110-1118. Jano, AP, RL Jefferies and RF Rockwell. 1998. The detection of vegetation change by multitemporal analysis of LANDSAT data: the effects of goose foraging. Journal of Ecology 86:93-100. Lindberg, MS, JS Sedinger, DV Derksen and RF Rockwell. 1998. Natal and breeding philopatry in a black brant (Branta bernicla nigricans) metapopulation. Ecology 79:1893-1904. Skinner, WR, RL Jefferies, TJ Carleton, RF Rockwell and KF Abraham. 1998. Prediction of reproductive success and failure in lesser snow geese based on early season climatic variables. Global Change Biology 4:3-16. Prewett, M, P. Rockwell, RF Rockwell, NA Giorgio, J Mendelsohn, HI Scher and NI Goldstein. 1997. The biological effects of C225, a chimmeric monoclonal antibody to the EGFR, on human prostate carcinoma. Journal of Immunotherapy 19:419-427 Rockwell, RF, EG Cooch and Solange Brault. 1997. Dynamics of the mid-continent population of lesser snow geese - Projected impacts of reductions in survival and fertility onpopulation growth rates. In: B. Batt (ed.) Arctic Ecosystems in Peril: Report of the Arctic Goose Habitat Working Group. Arctic Goose Joint Venture, Canadian Wildlife Service, Ottawa and US Fish and Wildlife Service, Washington, D.C. (ISBN 0-9617279-3-4). Rockwell, RF, KF Abraham and RL Jefferies. 1997. The best laid plans: What happens when conservation works too well? Living Bird 16:16-23. Schmutz, JA, RF Rockwell and MR Petersen. 1997. Relative effects of survival and reproduction on the population dynamics of emperor geese. Journal of Wildlife Management 61:191-201. Abraham, KF, RL Jefferies, RF Rockwell and CD MacInnes. 1996. Why are there so many white geese in North America. Proceedings of the 7th International Waterfowl Symposium, Ducks Unlimited, Memphis. Rockwell, RF, KF Abraham and RL Jefferies. 1996. Tundra under siege. Natural History 105:20-21. Cooke, F, RF Rockwell and DB Lank. 1995. The Snow Geese of La Perouse Bay: Natural Selection in the Wild. Oxford University Press, Oxford. 289 pp. Ringo, J, G Jona, RF Rockwell, D Segal and E. Cohen. 1995. Genetic variation for resistance to Chlorpyrifos in Drosophila melanogaster infesting grapes in Israel. Journal of Economic Entomology 88:1158-1163. Robertson, GJ, MA Owen and RF Rockwell. 1995. Responses of lesser snow geese to artificially induced hatching asynchrony and increased clutch size. Auk 112:790-794. Rockwell, RF, MR Petersen and JA Schmutz. 1995. The Emperor Goose: An Annotated Bibliography. University of Alaska Press, Fairbanks. 77pp. Rockwell, RF and GF Barrowclough. 1995. Effective population size and lifetime reproductive success. Conservation Biology 9:1225-1233. Petersen, MR, RF Rockwell and JA Schmutz. 1994. The Emperor Goose (Chen canagica) (pp. 1-20). In: A Poole, P Stettenhwim, and F Gill (eds). The Birds of North America, Number 97. The American Ornithologists' Union, Washington, D.C. Robertson, GJ, EG Cooch, DB Lank, RF Rockwell and F Cooke. 1994. Female age and egg size in the lesser snow goose. Journal of Avian Biology 25:149-155. Barrowclough, GF and RF Rockwell. 1993. Variance in lifetime reproductive success: estimation based on demographic data. American Naturalist 141:281-295. Cooch, EG, RL Jefferies, RF Rockwell and F Cooke. 1993. Environmental change and the cost of philopatry in lesser snow geese. Oecologia 93:128-138. Olvera, O, RF Rockwell, ME de la Rosa, J Guzman, MJ Laverde and L Levine. 1993. Studies of sibling Drosophila species from Laguna Verde, Veracruz, Mexico V. Temporal stability in dispersive behavior. Southwestern Naturalist 38:15-18. Rockwell, RF, EG Cooch, CB Thompson and F Cooke. 1993. Age and reproductive success in lesser snow geese: experience, senescence and the cost of philopatry. Journal of Animal Ecology 62:323-333. Schmutz, JA, RF Rockwell and MR Petersen. 1993. Population modeling of emperor geese - Progress report, April, 1993. US Fish and Wildlife Service Report. Anchorage, Alaska. Williams, TW, F Cooke, EG Cooch and RF Rockwell. 1993. Effects of declining body condition on gosling survival in mass-banded lesser snow geese. Journal of Wildlife Management 57:555-562. Williams, TD, DB Lank, F Cooke and RF Rockwell. 1993. Fitness consequences of egg-size variation in the lesser snow goose. Oecologia 96:331-338. Cooch, EG, DB Lank, RF Rockwell and F Cooke. 1992. Is there a relationship between body size and fecundity in lesser snow geese? Auk 109:667-673. Francis, CM, MH Richards, F Cooke and RF Rockwell. 1992. Change in survival rates of lesser snow geese wih age and breeding experience. Auk 109:731-747. Francis, CM, MH Richards, F Cooke and RF Rockwell. 1992. Long term survival rates of lesser snow geese. Ecology 73:1346-1362. Cooch, EG, DB Lank, F Cooke and RF Rockwell. 1991. Long-term decline in body size in a snow goose population: Evidence of environmental degradation? Journal of Animal Ecology 60:483-496.> Cooch, EG, DB Lank, A Dzubin, RF Rockwell and F Cooke. 1991. Body size variation in lesser snow geese: envrionmental plasticity in gosling growth rates. Ecology 72:503-512. Cooke, F, RF Rockwell and DB Lank. 1991. Recruitment in long-lived birds: genetic considerations. Proceedings of the XXth International Ornithology Congress:1666-1677. Gnam, RS and RF Rockwell. 1991. Reproductive success of the bahama parrot (Amazona bahamensis). Ibis 133:400-405. Lank, DB, MA Bousfield, F Cooke and RF Rockwell. 1991. Why do snow geese adopt eggs? Behavioral Ecology 2:181-187. Rockwell, RF, ME de la Rosa, J Guzman, MJ Laverde, L Levine and O Olvera. 1991. A temporal study of desiccation resistance of sibling Drosophila species from Laguna Verde, Veracruz, Mexico. American Midland Naturalist 126:338-344. Cooke, F, JC Davies and RF Rockwell. 1990. Body size and fecundity in lesser snow geese: A response to R.T. Alisauskas and C.D. Ankney. Auk 107:444-446. Lank, DB, RF Rockwell and F Cooke. 1990. Frequency-dependent fitness consequences of intraspecific nest parasitism in snow geese. Evolution 44:1436-1453. Cooch, EG, DB Lank, RF Rockwell and F Cooke. 1989. Long-term decline in fecundity in a snow goose population: evidence for density dependence? Journal of Animal Ecology 58:711-726. Cooke, F, P Taylor, CM Francis and RF Rockwell. 1989. Directional selection and clutch size in birds. American Naturalist 136:261-267. Guzman, J, L Levine, O Olvera, RF Rockwell and E de la Rosa. 1989. Species abundance, desiccation resistance and dispersal of sibling Drosophila species from Laguna Verde, Veracruz, Mexico. American Midland Naturalist 122:249-254. Lank, DB, EG Cooch, RF Rockwell and F Cooke. 1989. Environmental and demographic correlates of intraspecific nest parasitism in lesser snow geese (Chen caerulescens caerulescens). Journal of Animal Ecology 58:29-45. Lessels, CM, F Cooke and RF Rockwell. 1989. Is there a trade-off between egg weight and clutch size in wild Lesser Snow Geese (Anser c. caerulescens). Journal Evolutionary Biology 2:457-472. Levine, L, O Olvera, RF Rockwell, ME De La Rosa and J Guzman. 1989. Nuclear power plants and natural populations of Mexican Drosophila. Genome 31:256-264. Martin, K, SJ Hannon and RF Rockwell. 1989. Clutch size variation and patterns of fecundity attrition in willow ptarmigan. Ecology 70:1788-1799. de la Rosa, ME, J Guzman, L Levine, O Olvera and RF Rockwell. 1989. Studies of sibling species from Laguna Verde, Veracruz, Mexico I. Species frequencies, viability, desiccation resistance and vagility. Journal of Heredity 80:44-47. de la Rosa, ME, J Guzman, L Levine and RF Rockwell. 1989. Studies of sibling Drosophila species from Laguna Verde, Veracruz, Mexico III. Effects of radiation on viability. Revista Internacional Contaminacion Ambiental 5:65-70. Cooke, F, D Parkin and RF Rockwell. 1988. Evidence of former allopatry of the two color phases of lesser snow geese (Chen caerulescens caerulescens). Auk 105:467-479. Cooke, F and RF Rockwell. 1988. The Lesser Snow Goose (pp. 237-250). In: TH Clutton-Brock (ed). Reproductive Success. University of Chicago Press, Chicago. Davies, JC, RF Rockwell and F Cooke. 1988. Body size and fitness of lesser snow geese (Chen caerulescens caerulescens). Auk 105:639-648. Gaso, MI, F Gonzalez, J Guzman, L Levine, O Olvera, RF Rockwell and ME de la Rosa. 1988. Chromosomal and behavioral studies of Drosophila VI. Effects of density on larval digging and pupation in D. pseudoobscura. Southwestern Naturalist 33:445-449. Jackson, SL, DS Hik and RF Rockwell. 1988. Habitat selection and fitness in lesser snow geese. Canadian Journal of Zoology 66:1699-1703. Lank, DB, P Mineau, RF Rockwell and F Cooke. 1988. Intraspecific nest parasitism and extra pair copulation in lesser snow geese: the success of alternate reproductive tactics. Animal Behavior 37:74-89. Ratcliffe, L, RF Rockwell and F Cooke. 1988. Recruitment and maternal age in lesser snow geese. Journal of Animal Ecology 57:553-563. Rockwell, RF. 1988. Reproductive fitness in snow geese (Chen caerulescens): Proximate and ultimate measures. Proceedings of the XIX International Ornithology Congress:2113-2120. Levine, L, M Katz and RF Rockwell. 1987. Selection for larval vagility in Drosophila melanogaster. Behavior 101:236-242. Levine, L, O Olvera, RF Rockwell, ME de la Rosa, E Akin, MI Gaso, F Gonzalez and J Guzman. 1987. Chromosomal and behavioral studies of Mexican Drosophila V. Frequencies of multiple insemination in three populations. American Naturalist 129:458-462. Rockwell, RF and GF Barrowclough. 1987. Gene flow and the genetic structure of populations (pp. 223-255). In: F Cooke and PA Buckley (eds). Avian Genetics. Academic Press, London. Rockwell, RF, CS Findlay and F Cooke. 1987. Is there an optimal clutch size in lesser snow geese? American Naturalist 130:839-863. Davies, JC and RF Rockwell. 1986. Polar bear deterrents: some currrent thoughts on an effective electrified fence. Wildlife Society Bulletin 14:406-409. Gonzalez, F, J Guzman, L Levine, O Olvera, RF Rockwell, ME de la Rosa and MI Gaso. 1986. Chromosomal and behavioral studies of Mexican Drosophila: Density dependence in larva to adult survival in D. pseudoobscura and D. melanogaster. American Midland Naturalist 116:219-221. Levine, L, RF Rockwell and MJ Laverde. 1986. Desiccation resistance in two species of Drosophila. Journal of Heredity 77:359-360. Rockwell, RF and L Levine. 1986. Chromosomal polymorphism and vagility in natural populations of Drosophila pseudoobscura (pp. 19-32). In: M Huettel (ed). Evolutionary Genetics of Invertebrate Behavior. Plenum, New York. Rockwell, RF and L Levine. 1986. Emigration response behavior: III. Genetic variability in a natural population of Drosophila busckii. Behavior Genetics 16:543-551. Cooke, F, CS Findlay, RF Rockwell and JA Smith. 1985. Life history studies of the Lesser Snow Goose (Anser caerulescens caerulescens) III. The selective value of plumage polymorphism: net fecundity. Evolution 39:165-177.
Findlay, CS, RF Rockwell, J Smith and F Cooke. 1985. Life history studies of the lesser snow goose VI. Plumage polymorphism, assortative mating and fitness. Evolution 39:904-914. Martin, K, G Cooch, RF Rockwell and F Cooke. 1985. Reproductive performance in lesser snow geese: Are two parents essential? Behavioral Ecology and Sociobiology 17:257-263. Olvera, O, RF Rockwell, ME de la Rosa, MI Gaso, F Gonzalez, J Guzman and L Levine. 1985. Chromosomal and behavioral studies of Mexican Drosophila III. Inversion polymorphisms of D. pseudoobscura. Journal of Heredity 76:258-262. Ringo, J, D Wood, RF Rockwell and H Dowse. 1985. An experiment testing two hypotheses of speciation. American Naturalist 125:642-651. Rockwell, RF, CS Findlay and F Cooke. 1985. Life history studies of the Lesser Snow Goose V. Temporal effects on age-specific fecundity. Condor 57:142-143. Rockwell, RF, CS Findlay, F Cooke and JA Smith. 1985. Life history studies of the Lesser Snow Goose (Anser caerulescens caerulescens) IV. The selective value of plumage polymorphism; net viability, the timing of maturation, and breeding propensity. Evolution 39:178-189. Akin, E, L Levine, H Levene and RF Rockwell. 1984. A conservative procedure for the estimation of multiple insemination in Drosophila. American Naturalist 124:723-737. Cooke, F, CS Findlay and RF Rockwell. 1984. Recruitment and the timing of reproduction in Lesser Snow Geese (Chen caerulescens caerulescens). Auk 101:451-458. Findlay, CS, RF Rockwell and F Cooke. 1984. Does clutch size vary with cohort in the Lesser Snow Goose? Journal of Wildlife Management 49:417-420. de la Rosa, ME, MI Gaso, F Gonazlez, J Guzman, L Levine, O Olvera and RF Rockwell. 1984. Chromosomal and behavioral studies of Mexican Drosophila II. Temporal changes of vagility characteristics of three populations of D. pseudoobscura. Journal of Heredity 75:281-284. Cooke, F, CS Findlay, RF Rockwell and K Abraham. 1983. Life history studies of the Lesser Snow Goose II. Colony structure. Behavioral Ecology and Sociobiology 12:153-159. Rockwell, RF, ME de la Rosa, E Akin, MI Gaso, F Gonzalez, J Guzman, L Levine and O Olvera. 1983. Chromosomal and behavioral studies of Mexican Drosophila I. Vagility characteristics of three populations of D. pseudoobscura. Behavior Genetics 13:197-204. Rockwell, RF, CS Findlay and F Cooke. 1983. Life history studies of the Lesser Snow Goose I. The influence of age and time on fecundity. Oecologia 56:318-322. Rockwell, RF, L Levine and S Kessler. 1983. Maze running characteristics of two Drosophila species and their hybrids. Animal Behavior 31:946-947. Findlay, CS, RF Rockwell and F Cooke. 1982. Concerning the time dependence of population vital statistics. Lecture Notes in Biomathematics. 52:146-153. Geramita, JM, F Cooke and RF Rockwell. 1982. Assortative mating and gene flow in the Lesser Snow Goose: A modelling approach. Theoretical Population Biology 22:177-203. Kessler, S, RF Rockwell and L Levine. 1982. Effects of selection for decreased movement through the Drosophila geotaxis maze. Journal of Heredity 73:381-382. Levine, L, S Kessler and RF Rockwell. 1981. Patterns of maze running in Drosophila pseudoobscura and D. persimilis. Behavior Genetics 11:415-423. Levine, L, RF Rockwell and J Grossfield. 1980. Sexual selection in mice V. Reproductive competition between +/+ and +/tw5 males. American Naturalist 116:150-156. Rockwell, RF. 1980. Photobehavioral differentiation in natural populations of Drosophila: Changes of photoresponse over time in D. pseudoobscura and D. persimilis. Behavior Genetics 10:521-535. Grossfield, J and RF Rockwell. 1979. Courtship behavior of endemic Australian Drosophila: Scaptodrosophila - the lativitata and fumida groups. American Midland Naturalist 101:257-268. Levine, L, J Grossfield and RF Rockwell. 1979. Functional relationships between genotypes and environments in behavior: Effects of different kinds of early social experience on interstrain fighting in male mice. Journal of Heredity 70:317-320. Rockwell, RF. 1979. Emigration response behavior II. The responses of Drosophila busckii. Pan-Pacific Entomologist 55:117-126. Rockwell, RF and J Grossfield. 1978. Drosophila: Behavioral cues for oviposition. American Midland Naturalist 99:361-368. Rockwell, RF, J Grossfield and L Levine. 1978. Emigration response behaviour I. The effect of the height and light on the response of the Oregon-R and norp-A strains of Drosophila melanogaster. Egyptian Journal Genetics Cytology 7:123-136. Rockwell, RF and F Cooke. 1977. Gene flow and local adaptation in a colonially nesting dimorphic bird: the Lesser Snow Goose (Anser caerulescens caerulescens). American Naturalist 111:91-97. Rockwell, RF and J Grossfield. 1977. Courtship behaviour of Scaptomyza (Bunostoma) australis Malloch. Pan-Pacific Entomologist 53:305-311. Rockwell, RF, F Cooke and R Harmsen. 1975. Photobehavioral differentiation in natural populations of D. pseudoobscura and D. persimilis. Behavior Genetics 5:189-202. Rockwell, RF, R Harmsen, F Cooke and J Grossfield. 1975. Photobehavioral differentiation within and between the sexes of Drosophilapseudoobscura. Canadian Journal of Zoology 53:1395-1402. Rockwell, RF and MB Seiger. 1973. A comparative study of photoresponse in Drosophila pseudoobscura and D. persimilis. Behavior Genetics 3:163-174. Rockwell, RF and MB Seiger. 1973. Phototaxis in Drosophila: a critical evaluation. American Scientist 61:339-345.
