上海快三下载app送18元彩金—主页-彩经_彩喜欢豆网
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福利彩票投注站怎么开需要多少钱_翻译 Jumbo squid.doc


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福利彩票投注站怎么开需要多少钱_翻译 Jumbo squid.doc
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CarlosJ.Robinsona,,,JaimeGómez-Gutiérrezb,DavidAlbertoSalasdeLeónaaInstitutodeCienciasdelMaryLimnología,UniversidadNacionalAutónomadeMéxico(UNAM),CiudadUniversitaria,MexicoCity,D.F.04500,MexicobDepartamentodePlanctonyEcologíaMarina,CentroInterdisciplinariodeCienciasMarinas,Av.Col.PalodeSantaRita,LaPaz,B.C.S.23096,MexicoReceived23June2012,Revised10September2012,Accepted16September2012,Availableonline23October2012  ShowmoreShowlessdoi:10.1016/j.fishres.2012.09.006AbstractThejumbosquidDosidicusgigassupportsanimportantfisheryinthecentralregionoftheGulfofCalifornia,Mexico.However,inrecentyears,landingsofthisspeciesintheportofGuaymas,Sonorahasdeclinedsignificantly.WeexaminedmonthlylandingrecordsfromJanuary1998throughMarch2012andrelatedthisrecordtomonthlyseasurfacetemperature(SST)andchlorophyllafromsatelliteimageryandcoastalupwellingindex(CUI)inthefishingareaasproxiesofinter-annualchangesintheepipelagichabitat.ResultsindicatethatjumbosquidcatcheswerehighbetweenJune1999andDecember2004(328,903 t)associatedwithanextendedperiodofprevailingcoldSSTs(LaNiña1999)andhighchlorophyllaconcentrationswithintenseCUI.FromJanuary2005throughMarch2012,aprogressivecatchesdecrease;landingswereabout31.8%ofpreviouscaptures(104,829 t).DeclineisassociatedwithaprogressivelywarmerhabitatwithlesschlorophyllaandconsiderablylowerCUI.SixfishingsurveyscarriedoutintothecentralGulfofCaliforniawithjigsamplingindicateth 内容来自上海快三下载app送18元彩金—主页-彩经_彩喜欢豆网yowjizz.com转载请标明出处.