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46:02 Fire Regime Alteration in Natural Areas Fire Regime Alteration in Natural Areas	Fire Regime Alteration in Natural Areas Michelle CoppolettaEcologist Sierra Casacade ProvinceUSDA Forest Service Managing public lands today is increasingly difficult in the face of climate change and changing wildfire regimes. Michelle… fire areas rna severity systems species fires regime forest vegetation california rnas regimes trees pine fuels departure range wildfire From Jeff Layne on October 28th, 2019 0 likes 14 plays
52:16 Into thinner air: How pikas live on the roof of… Into thinner air: How pikas live on the roof of the world and implications for their persistence	Into thinner air: How pikas live on the roof of the world and implications for their persistence Recorded: April 17, 2019 highest elevations pica species human dominated north america dominated area oxygen concentration species level food source year period heat transfer previous study oxidase protein systems theory fold difference low elevation deer bit bigger individual level hypoxic stress time scale burrowing species habitat (ecology) terminology folded protein food web 4000 meter geography terminology single individual oxygen locally extinct meter gradient mammals of india snow leopard tibetan yak environmental conservation meter site invasive species low elevation 6000 meters protein efficiency change elevation species range climate change sample collection high elevation montane ecology complex system previous range blood sample climate history efficient protein penguin scales mammals of asia gene expression lower elevation monotypic mammal genera cool result high elevation pica american pie oxygen phosphorylation pathway deer mice genes highlighted sea level length range limit genetic differences mountain system proteins topography elevations site population genetics extinction main thing oxidative phosphorylation pathway mammals of china cold stress genetic adaptation hypoxia tolerance takes place philosophical terminology continents current species range long term persistence amino acid 100 years darker green museum collections physical geography environmental terminology main reason percent oxygen generate oxygen concentrations cold environment higher elevation 5000000 years candidate gene burrow systems 5000 meter site tibetan plateau limited oxygen 100 percent caption complete economics terminology human impact snow global surface temperature m.r.geodesy 5000 meter average rate broad elevation current range human population sequencing data big cats of india elevation range mammals of pakistan human spaceflight lower elevations species movement upward thought 50000000 years elevations species effects species gene elevation pikas pica expression adaptations samples elevations change genes meters climate range study lot pathway differences protein From Jeff Layne on April 18th, 2019 0 likes 58 plays
01:05:34 Elk in California: History, current status, and… Elk in California: History, current status, and future of California’s largest land mammal	Elk in California: History, current status, and future of California’s largest land mammal Tom Batter PhD Student Mammalian Ecology and Conversation Unit University of California Tom Batter, University of California, Davis, Mammalian Ecology and Conservation Unit, shares his California… d.n.a.sierra nevada mammals of europe livestock range expansion bit larger conservation biology elk management north america crude estimate wide range chili dogs survey methodology domestic livestock small bachelor groups population monitoring rocky mountain megafauna of north america management decisions great conservation success breeding season estimate age human geography move forward effects mountain ranges of british columbia success rate domesticated animals dairy farming confined heard animal diseases owens valley transportation events mammals of africa human conflict demography good job management approach natural reserve g.p.s. collar private entities sex disease transmission san luis joe hobbs monitor population trends conservation success story genetics european settlement population trends target animal kern county pretty good zoological nomenclature service canadensis collar data commonly called men del norte cache creek ratios mountain range wildlife methods and principles in archaeology population estimates aerial surveys regions of the americas public opinion sex ratio body size political science terms genetic diversity population genetics ultimate goal national park service g.p.s.elk and red deer population ecology crossing areas wildlife of siberia chronic wasting disease museum specimens conservation breeding plant growth continents north central main driver wildlife refuge loading corral modern california future management direction population data collection environmental terminology rocky mountain elk highly variable aerial vehicles plant material time period siskiyou county cow calf free ranging herd physiographic divisions northeastern portion public sentiment megafauna of eurasia fixed wing surveying genetic material politics grizzly island d.n.a. approach caption complete central valley genetic variation american elk satellite g.p.s. collars small range free ranging high fence european red deer mating season human settlement dominant herd specialized form remain vigilant water fowl wildlife area limited number From Jeff Layne on April 15th, 2019 0 likes 69 plays