Meeting Abstract 8.11  Jan. 4  Is arm swing active or passive during human walking and running? PONTZER, Herman*; RAICHLEN, David A.; LIEBERMAN, Daniel E.; Washington University; University of Arizona; Harvard University hpontzer@artsci.wustl.edu Humans habitually swing their arms in phase with the contralateral leg during walking and running. This arm motion is generally thought to counteract the torque […]

Meeting Abstract 8.5  Jan. 4  External joint work modulation in goats during climbing jumps YOO*, E. H.*; LEE, D. V.; BIEWENER, A. A.; Harvard University, Concord Field Station edwinyoo@eecs.harvard.edu We wish to understand how multi-jointed legs are able to meet different terrain conditions and mechanical demands during vertical climbing jumps. We recorded ground reaction forces and hindlimb […]

Meeting Abstract 7.10  Jan. 4  When keystones meet: sea stars and sea otters in central California VICKNAIR, K.E,; PEARSE, J.S.**; MCCLINTOCK, J.B.; FEDER, H.M.; Univ. of California, Santa Cruz; Univ. of California, Santa Cruz; Univ. of Alabama,Birmingham; Univ. of Alaska, Fairbanks pearse@biology.ucsc.edu Ochre sea stars (Pisaster ochraceus) and sea otters (Enhydra lutris) are both recognized keystone species […]

Meeting Abstract 7.11  Jan. 4  Ultrastructure and osmoregulatory function of the kidney in the Acipenser persicus at larval stage KHODABANDEH, Saber; TAGHIZADEH, Zahra; ABTAHI, Behroz*; CHARMANTIER, Guy; CHARMANTIER-DAURES, Mireille; Univ. of Tarbiat Modarres, Tehran, IRAN; Univ. of Montpellier II, France; Univ. of Montpellier II, France surp78@gmail.com In freshwater fishes, the maintenance of blood osmolality and ion concentrations […]

Meeting Abstract 7.1  Jan. 4  The evolution and emergence of food-webs in fluctuating environments: diversity begets stability, or vice versa? PAWAR, S.; University of Texas at Austin samraat@mail.utexas.edu All natural food-webs are assembled and persist in environments that exert perturbations in energy input as well as living conditions. In this study, we focus on the effects of […]

Meeting Abstract 7.6  Jan. 4  Relationships Between Recruitment and Adult Distribution Among Pseudopterogorgia spp.on the Little Bahama Bank LASKER, HR*; JAMISON, JL; University at Buffalo; University at Buffalo hlasker@buffalo.edu Recruitment of the octocoral Pseudopterogorgia elisabethae was monitored twice a year from May 2004 through June 2006 at 6 sites spanning 60 km along the southern edge of […]

Meeting Abstract 7.2  Jan. 4  Quantifying the resource dynamics of a lizard community: Coupling abiotic drivers and ecosystem productivity to reproduction in lizards WARNE, R.W.*; PERSHALL, A.D.; WOLF, B.O.; University of New Mexico rwarne@unm.edu Desert animals must integrate unpredictable and often ephemeral pulses of resources, yet how these animals allocate limited resources to survival and reproduction in […]

Meeting Abstract 7.4  Jan. 4  Isotopes, Cacti and Mice: Exploration of Cactus Use by a Sonoran Desert Rodent Community Across Time. ORR, T.J.*; WOLF, B.O.; Univ. of California, Riverside; Univ. of New Mexico teri.orr@email.ucr.edu Cacti such as the saguaro (Carnegiea gigantea) are considered keystone producers due to their production of energy and water rich flowers and fruit. […]

Meeting Abstract 7.3  Jan. 4  Efficiency of protein incorporation and diet quality determine trophic isotope spacing in fish CARLETON, Scott A*; AAMICK, Lori; University of Wyoming scarlet@uwyo.edu Ecologists use the enrichment in 15N of an animal�s tissues relative to its diet to determine trophic position. They assume that isotopic spacing between trophic levels is constant and approximately […]

Meeting Abstract 7.5  Jan. 4  Effects of habitat, age, and sex on black bear carnivory: a stable isotope approach HATCH, K.H.**; ROEDER, B.L.; AUGER, J.; BLACK, H.L.; BUNNELL, K.D.; Brigham Young University; Brigham Young University; Brigham Young University; Brigham Young University; Utah Division of Wildlife Resources khatch@byu.edu Black bears (Ursus americanus) occupy diverse habitats in Utah, from […]