Search for tag: "locally extinct"

Into thinner air: How pikas live on the roof of the world and implications for their persistence

Recorded: April 17, 2019

highest elevationspica specieshuman dominatednorth americadominated areaoxygen concentrationspecies levelfood sourceyear periodheat transferprevious studyoxidase proteinsystems theoryfold differencelow elevation deerbit biggerindividual levelhypoxic stresstime scaleburrowing specieshabitat (ecology) terminologyfolded proteinfood web4000 metergeography terminologysingle individualoxygenlocally extinctmeter gradientmammals of indiasnow leopardtibetan yakenvironmental conservationmeter siteinvasive specieslow elevation6000 metersprotein efficiencychange elevationspecies rangeclimate changesample collectionhigh elevationmontane ecologycomplex systemprevious rangeblood sampleclimate historyefficient proteinpenguin scalesmammals of asiagene expressionlower elevationmonotypic mammal generacool resulthigh elevation picaamerican pieoxygen phosphorylation pathwaydeer micegenes highlightedsea levellengthrange limitgenetic differencesmountain systemproteinstopographyelevations sitepopulation geneticsextinctionmain thingoxidative phosphorylation pathwaymammals of chinacold stressgenetic adaptationhypoxia tolerancetakes placephilosophical terminologycontinentscurrent species rangelong term persistenceamino acid100 yearsdarker greenmuseum collectionsphysical geographyenvironmental terminologymain reasonpercent oxygengenerate oxygen concentrationscold environmenthigher elevation5000000 yearscandidate geneburrow systems5000 meter sitetibetan plateaulimited oxygen100 percentcaption completeeconomics terminologyhuman impactsnowglobal surface temperaturem.r.geodesy5000 meteraverage ratebroad elevationcurrent rangehuman populationsequencing databig cats of indiaelevation rangemammals of pakistanhuman spaceflightlower elevations speciesmovement upwardthought50000000 yearselevations specieseffectsspeciesgeneelevationpikaspicaexpressionadaptationssampleselevationschangegenesmetersclimaterangestudylotpathwaydifferencesprotein
From  Jeff Layne 2 Months ago 0 likes 44 views   

Energetics in ectotherms: Metabolic scaling, climate change, and swimming kinematics

Dr. Nicholas Carey Hopkins Marine Station Stanford University Dr. Carey reviews his research around the globe from anchovy movement to chitons to metabolic rates. The unifying theme of his…

From  Jeff Layne 2 Years ago 0 likes 16 views   

Pleistocene Megafaunal Predation & the La Prele Mammoth Site

Dr. Matt O'Brien Faculty, Anthropology Department, CSU, Chico Dr. Matt O’Brien explores competing theories for the disappearance of large mammals during the Pleistocene Epoch (2.58…

From  Jeff Layne 2 Years ago 0 likes 64 views