地球脉动-两极之间Planet-Earth-From-Ploe-to-Pole

,-FromPoletoPole,Group2,PlanetEarth,North,北极熊Polarbears.,极昼Polarday,北极苔原Arctictundra,北美驯鹿caribou,Notenoughenergyreachesgroundtoenabletreestogrow,亚寒带针叶林Subarcticconiferous,远东豹Amurleopards,温带阔叶林temperatebroadleaves,Variousbirds,热带丛林jungle,海豹Seals大白鲨Greatwhites,海洋ocean,雄帝企鹅MaleEmperorPenguins,极夜polarnight,South,RepresentativeCreatures,Polarday极昼,Itsmarch.AndlightreturnstohighArctic,aPolarbearstirsfromherden.Heremergencemarksthebeginningofspring.Andthelittlebearscometotheirmothertogetfood.Theirmotherthathasnoteatenfor5monthsandhaslosthalfherbodyweightconvertsthelastofherfatreservesintomilkforherbabies.Temperature-30.Thebabiesstillneedtoliveintheshelter.Thesunwilldissolvetheice,whichwillhinderthebeartohuntitsfood(seal).Nearlyhalfofthebabybearswilldieinthefirstyearinthebrokenice.,Polarbears北极熊,Arctictundra北极苔原,NorthernCanadaswildfrontierEveryyear3millionsofcariboumigrateacrosstheArctictundra(北极苔原）.Thisisthelongestoverlandmigrationmadebyanyanimal.Someherdstravelsover2000milesayearinsearchoffreshpastures.Thisisthelongestoverlandmigrationmadebyanyanimal.Therearewolvesinhangerschemingtocatchthenewlyborncalves.Thestrategyisthatrunningdirecrlyattheherdtomaketheminpanicfirst,andthentrytocapturetheseparatedtheherd.Andnowitseasiertotargetanindividual.,caribou北美驯鹿,Midsummerontundraandthesundoesnotset.Astheselatitudesthesunsraysareglancing.Andnotenoughoftheirenergyreachesthegroundtoenabletreestogrow.,temperatebroadleaves温带阔叶林,TheAmurleopard-therarestcatintheworld,syblolizethefragilityofournatureheritage.Thereareonly40Amurleopardsleftinthewild.Andthatnumberisfalling.Thecatshasbeenpushedtotheveryedgeofextinctionbyhuntingandthedestructionoftheirhabitat.,Amurleopards远东豹,Allanimals,rareorcommon,ultimatelydependfortheirenergyonthesun.,Jungle,Inthetropicsthesunsraysstriketheearthheadon,sothejunglegrowssovigorouslyandsupportssomuchlife.Thisforestcoversonly3percentoftheplanetssurface,butitcontainsmorethan50percentofallitsplantsandanimals.Thereare42differentspeciesofbirdsofparadiselivinginthegreatislandofNewGuinea,eachmorebizarrethanthelast.,Birdsofparadise,Ocean,Summeristhetimeofplentyanditsnowthatthesealsstarttobreed.,Seals海豹Greatwhites大白鲨,ElephantsBuffalo水牛,Inadryseason,thousandsofelephantshavestartedtotravelindesperatesearchforwater.AllacrossSouthAfricaanimalarejourneyingforthesamereason.,polarnight极夜,MaleEmperorPenguinsarefacingthenearestthatexistsonplaneEarth.WinterinAntarctica.Itscontinuousdark.Andtemperaturesdroptominusseventydegreescentigrade.ThePenguinsstaywhenallothercreatureshavefled.Becauseeachguardsatreasure:asingleeggrestedonthetopofitsfeet.Andkeptwarmbenea