OceanAdventures：CalloftheKillerWhale

• 清晰：BD
• 类型：
• 主演：
• 年代：2009 / 美国 /
• 导演：
• 国家/地区：美国
• 时长：120分钟
• 语言/字幕：国语对白 中文字幕
• 年代：2009
• 更新时间：2024-04-08 01:08:43
• 详细介绍： "CalloftheKillerWhale,"atwo-hourdocumentaryairingo… "CalloftheKillerWhale,"atwo-hourdocumentaryairingonPBS,beginsbyfocusingonthestoryoftheworld'smostfamouskillerwhale,Keiko,thestarofthefilm"FreeWilly,"whowasfamouslysetfreeafterbeingrescuedfromaMexicancircus.Keiko'sstoryisusefultoillustratethechallengesofreintroducinganorcaintothewild,havingtoteachithowtofeedofflivefish(asopposedtodeadonestossedregularlyintoitsmouth)andhowtodevelopothersurvivalskillsbasictowildorcas.Themessagewetakeawayfromthefirstpartofthefilmisthatcaptivewhalesrarelyliveverylongandhaveatoughtimeofitifthey'rereintroducedintothewild.Keikomadeitto27,beforesuccumbinginaNorwegianfjord. Thesecondandmorepowerfulpartofthefilmlooksatthedrasticallyshrinkingorcapopulationaroundtheworldandattributesthedecrease,inevitably,topollutionandhumanenterprisethatupsetsnature'sdelicatebalance.AlthoughPCBswerebannedinthe'70s,thechemicals,aswellasothercontaminantsintheairandwater,canremaininanorca'ssystemfordecades,whichhasresultedincalvesbornwithbirthdefects. Themorechallengingissue,andtheonethatevenmoretellinglyshowsthefragilityofnature'sinterconnectedness,hastodowiththefateofthesalmonpopulation.InthePacificNorthwest,forexample,salmonhavebeentheorca'smainsourceoffood.Weallknowthatthesalmonpopulationisdecreasing,butasCousteauandotherscientistscontend,partofthereasonthefisharedecreasingisthatmanhascreatedsalmonfarmswhichhaveactuallyhurtwildsalmonbecausethecultivatedfishhogallthefoodinsharedwaters. 详情