資源描述：
《探索亞馬遜 雨林頂端》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、JourneyintoAmazonia:TheBigTopNGC全民英檢:探索亞馬遜－雨林頂端播出時(shí)間:11月5日星期六@11:00-12:00TherainforestofAmazonia-wherelifeinallitsbeautyandmyriadformsreignssupreme.LessknownthenthesurfaceofMars,itsinhabitantsstrangerthansciencefiction...thisisEarth'sfinal,unexploredfrontier.ThisisAmazonia's"BigTop"
2、!Theworld'smightiestriverbreaksthroughthecanopyofthelargesttropicalrainforestontheplanet.Combinedwithitstributaries,theAmazondrainsintoanareaofalmostsevenmillionsquarekilometres-morethanhalfofSouthAmerica.LikeagiantcircustentninetimesthesizeofTexas,Amazonia'streecoveredworldhoststh
3、egreatestvarietyofplantsandanimalsontheplanet.Sixtymetersabovetheground,lessstudiedthantheseafloor...Untilrecently,thisincrediblespectacledefiedeventhemostintrepidscientistsandexplorers.Somanyofitsricheshaveyettoberecordedthatitisbelievedthatthisbizarreandbeautifulcanopycouldhouseh
4、alfofalltheworld'sspecies.Inadditiontomillionsofinsects,Amazonia'simpressivecastofcharactersincludesatleast300differentmammals.Atleastonehundredseventy-fivedifferentlizards...Overfourhundredreptilesandamphibians...Treeclimbersofeveryshapeandsize,Andathirdoftheworld'sbirds.Thesemagn
5、ificentcreaturesallhavetheirownuniquetricksandtalents,costumesandcamouflage,andcommandperformances.A100yearsagotheAmericanexplorer,WilliamBeebe,wroteoftheAmazon:"Yetanothercontinentofliferemainstobediscovered,notupontheearth,butoneortwohundredfeetaboveit,extendingoverthousandsofsqu
6、aremiles...Thereawaitsarichharvestforthenaturalistwhoovercomestheobstacles-gravitation,ants,rottentrunks-andmountstothesummitofthejungletrees."SinceBeebemarvelledatthisincrediblespectacle,scientistshavehadtomultiply-manytimesover-allpreviousestimatesoftheextentoflifeinthesetreetops
7、.Onlyrecently,thesheernumberoftermiteshascometolight-Morethan200speciescalltheAmazonriverbasintheirhome-acumulativemassthreetimesthatofallthebirdsandmammalsintherainforest.YetalmostahundredyearslaterAmazoniaisrevealinghersecretsslowlylikecrumbsfromagiant'sbanquettable.Foravastnumbe
8、rofspecies,thecanopyofthis
