Presented by Kevin G. McCracken - Email: kevin.g.mccracken@gmail.com
High-altitude species generally have evolved greatly increased capacities in the O2-transport cascade for ventilation, pulmonary diffusion, circulation and tissue diffusion, mitochondrial function, and metabolism. However, the extent of interspecific variation in control of processes dictating hypoxia responses remains largely unknown. Here we contrast waterfowl species, one migratory breeding on the Qinghai-Tibet Plateau, and the others lifelong residents of the Andean Plateau. Surprisingly, and likely by coincidence two iconic species, one Tibetan and one Andean, superficially resemble the high-altitude adapted human populations where they are co-located. However, in comparison across many species time elapsed since species first became established in the high-altitude environment can be a key causal factor dictating evolutionary outcomes and response to hypoxia.K.3-4: Time at High Altitude Dictates Evolutionary Response to Hypoxia
Kevin G. McCracken, Department of Biology, University of Miami, Coral Gables, Florida
Luis Alza, Division of Ornithology, Centro de Ornitología y Biodiversidad, Lima, Peru
Bev Chua, Department of Zoology, University of British Columbia, Vancouver, BC
Neal Dawson, Institute of Biodiversity Animal Health & Comparative Medicine, University of Glasgow, Glasgow, Scotland
Peter Frappell, Department of Zoology, University of Tasmania, Hobart, Tasmania
Allie Graham , Department of Integrative Biology, Oregon State University, Corvallis, OR
Catherine Ivy, Department of Biology, McMaster University, Hamilton, ON
Sabine Lague, Department of Zoology, University of British Columbia, Vancouver, BC
Bill Milsom, Department of Zoology, University of British Columbia, Vancouver, BC
Graham Scott, Department of Biology, McMaster University, Hamilton, ON
Julia York, Department of Integrative Biology, University of Texas, Austin, TX
Luis Alza, Division of Ornithology, Centro de Ornitología y Biodiversidad, Lima, Peru
Bev Chua, Department of Zoology, University of British Columbia, Vancouver, BC
Neal Dawson, Institute of Biodiversity Animal Health & Comparative Medicine, University of Glasgow, Glasgow, Scotland
Peter Frappell, Department of Zoology, University of Tasmania, Hobart, Tasmania
Allie Graham , Department of Integrative Biology, Oregon State University, Corvallis, OR
Catherine Ivy, Department of Biology, McMaster University, Hamilton, ON
Sabine Lague, Department of Zoology, University of British Columbia, Vancouver, BC
Bill Milsom, Department of Zoology, University of British Columbia, Vancouver, BC
Graham Scott, Department of Biology, McMaster University, Hamilton, ON
Julia York, Department of Integrative Biology, University of Texas, Austin, TX