Loren Buck
 

C. Loren BuckLoren_Buck

Professor of Biological Sciences
Ph.D. The University of Alaska Anchorage

Office: CPSB 202D
Phone: 907.786.1367
Email: loren@uaa.alaska.edu

Teaching Responsibilities:
Fall 2011 BIOL A490/A690 Hibernation and Torpor in Birds and Mammals

Research Interests: I am an environmental physiologist interested in adaptations of animals to extreme and/or variable environments. Model organisms utilized for these investigations are broad and have included mammal, birds, fish and crabs. Research projects typically include both field and laboratory investigations of organismal and sub-organismal physiology.  

Education:

  • 1992, B.S. Biology. University of Montana (Billings)
  • 1992, B.S. Education. University of Montana (Billings)
  • 1998, Ph.D. Biology. University of Alaska Anchorage
    Thesis Title: Physiological Ecology of the Arctic Ground Squirrel: Energy Metabolism, Torpor, and Behavioral Endocrinology

Current Funded Research Projects:

  • 2011. NIH-R01, Collaborative Research, Miller, PK, von Hippel, FA, Carpenter, DO and CL Buck. Protecting the Health of Future Generations:  Assessing and Preventing Exposures to Endocrine-Disrupting Chemicals in Two Alaska Native Arctic Communities on St. Lawrence Island.
  • 2010. NIH- R01, Mechanisms of perchlorate-induced disruption of sexual development. Collaborative research, F. von Hippel, CL Buck, T, W Cresko, J Postlethwait,
  • 2009. NSF-Major Research Instrumentation, J Welker, CL Buck, JM Burns, IG van Tets, J Cable, R Jackson Detecting and monitoring changes in the Arctic using stable isotope techniques.  A facility that contributes to IPY, NEON and beyond.  2007. NSF-OPP-IPY.
  • CL Buck, D O’Brien, BM Barnes. Extremes of hibernation physiology: patterns of expression, regulation and limits.

Publications:

  • Lee, TN, Fridinger, RW, Barnes, BM, Buck, CL and DM O’Brien. (in press) Estimating lean mass over a wide range of body composition: A calibration of deuterium dilution in the arctic ground squirrel. Rapid Communications in Mass Spectrometry.
  • Williams CT, Sheriff MJ, Gaglioti B, Kohl F, Toien O, Buck CL, and Barnes BM (2011) Data logging of body temperatures provides precise information on phenology of reproductive events in an arctic hibernator.  American Journal of Physiology, B. DOI:10.1007/s00360-011-0593-z.
  • Williams, CT, Barnes, BM and CL Buck (2011) Body temperature rhythms persist under the midnight sun but disappear during hibernation in free-living arctic ground squirrels. Biology Letters. doi: 10.1098/rsbl.2011.0435
  • Sheriff, MJ, Kenagy, GJ, Richter, M, Lee, T, Toien, O, Kohl,F, Buck, CL and BM. Barnes (2011) Phenological variation in annual timing of hibernation and breeding in two nearby populations of arctic ground squirrels. Proceedings of the Royal Society B. 278, 2369–2375.
  • Williams, CT, Goropashnaya, AV, Buck, CL, Fedorov, VB, Kohl,F, Lee, TN and BM Barnes (2011) Hibernating above the permafrost: effects of ambient temperature and season on expression of metabolic genes in liver and brown adipose tissue of arctic ground squirrels. Journal of Experimental Biology. 214: 1300-1306
  • Williams, CT and CL Buck (2010) Spatial and temporal variation in Tufted Puffin Fratercula cirrhata nestling diet quality and growth rates.  Journal of Marine Ornithology. 38: 41-48.
  • Romero, MC, Taplella, F, BG Stevens and CL Buck. (2010) Oxygen consumption in Paralithodes platypus (Crustacea: Decapoda): influences of different stage, temperature and brood care. Journal of Crustacean Biology. 30(3) 393-400.
  • Williams, CT and CL Buck (2010) Using fatty acids as dietary tracers in seabird trophic ecology: theory, application and limitations. Journal of Ornithology. 151: 531–543.
  • Brewer, JH,O’Reilly, KM and CL Buck. (2010) Effect of nestling status and brood size on concentration of corticosterone of free-living kittiwake chicks. General and Comparative Endocrinology.166, 19-24.
  • Williams, CT, Iverson, SA and CL Buck (2009) Dietary restriction affects adipose tissue fatty acid signatures of tufted puffin (Fratercula cirrhata) nestlings. Journal of Comparative Physiology, B.711-720.
  • Lee, TN, Barnes, BM and CL Buck (2009) Body temperature patterns during hibernation in a free-living Alaska marmot (Marmota broweri). Ethology, Ecology and Evolution. 21: 403-413.
  • Karpovich, SA, Toien, O, Buck, CL and BM Barnes (2009) Energetics under Arctic conditions in the arctic ground squirrel. Journal of Comparative Physiology B. 179: 691-700.
  • Tapella, F, MC Romero, BG Stevens and CL Buck. (2009) Substrate preferences of blue king crab Paralithodes platypus glaucothoe and first crab redistribution on natural substrates in the laboratory. Journal of Experimental Marine Biology and Ecology 372, 31-35.
  • Haukenes, AH, El Majjati, SY, and Buck, CL. (2009) Effects of emersion, temperature and handling on the oxygen consumption of Tanner crabs (Chionoecetes bairdi) Journal of Crustacean Biology, 29(1): 91–95.
  • Stevens, B. G., K. M. Swiney, and C. L. Buck. (2008) Thermal effects on embryo development and hatching for blue king crab Paralithodes platypus held in the laboratory, and a method for predicting dates of hatching. Journal of Shellfish Research. 27(5), 1255-1263.
  • Buck, CL, Breton, A, Toien, O, Barnes, BM. (2008) Overwinter body temperature patterns of free-living arctic ground squirrels (Spermophilus parryii). Lovegrove, B.G. and McKechnie, A.E. (eds.) 2008. Hypometabolism in animals: torpor, hibernation and cryobiology. University of KwaZulu-Natal, Pietermaritzburg. 317-326.
  • Williams, CT, Kitaysky, AS, Kettle, AB and Buck, CL (2008) Corticosterone levels of tufted puffins vary with breeding stage, body condition index, and reproductive performance. General and Comparative Endocrinology. 58: 29-35.
  • Kildaw, SD, Irons, DB and CL Buck. (2008)  Habitat quality and metapopulation dynamics of Black-legged Kittiwakes. Marine Ornithology, 38: 35-45.
  • Williams, CT, Iverson, SJ and CL Buck. (2008) Stable isotopes and fatty acid signatures reveal age- and stage-dependent foraging niches in tufted puffins. Marine Ecology Progress Series. 363: 287-298.
  • Brewer, JH, O’Reilly, KM and CL Buck. (2008)  Effects of investigator disturbance on baseline and stress-induced levels of corticosterone concentrations of Black-legged kittiwake chicks (Rissa tridactyla). Journal of Field Ornithology. 79(4) 391-398.