growth of female southern elephant seals mirounga leonina at…

《growth of female southern elephant seals mirounga leonina at…》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Seediscussions,stats,andauthorprofilesforthispublicationat:https://www.researchgate.net/publication/225662730GrowthoffemalesouthernelephantsealsMiroungaleoninaatMacquarieIslandARTICLEinPOLARBIOLOGY·MARCH2005ImpactFactor:1.59·DOI:10.1007/s00300-004-0694-1CITATIONSREADS7444AUTHORS,INCLUDING:M

2、ary-AnneLeaMarkAHindellUniversityofTasmaniaUniversityofTasmania56PUBLICATIONS1,051CITATIONS236PUBLICATIONS6,058CITATIONSSEEPROFILESEEPROFILEAvailablefrom:MarkAHindellRetrievedon:19March2016PolarBiol(2005)28:395–401DOI10.1007/s00300-004-0694-1ORIGINALPAPERCameronM.BellÆHarryR.BurtonÆMary-Ann

3、eLeaMarkA.HindellGrowthoffemalesouthernelephantsealsMiroungaleoninaatMacquarieIslandReceived:11May2004/Revised:6April2004/Accepted:10October2004/Publishedonline:13January2005ÓSpringer-Verlag2005AbstractBodygrowthof137femalesouthernelephant1953;Carricketal.1962a;CarrickandIngham1962).seals(M

4、iroungaleonina)over1yearofagewasinvesti-AfurtherstudyatMacquarieIslandinvestigatedbodygatedatsubantarcticMacquarieIsland.Anasymptoticcompositionalchangesatdifferentgrowthstagesandstraightline,snout–tailbodylengthof2.57±0.03mwasrelatedthistothegrowthofdomesticatedanimalsestimatedtobeattaineda

5、t9yearsofage,usingathree-(Bryden1969a).OnlytheSouthGeorgiastockulti-parameterGompertzequation.Asignificantincreaseofmatelyexperiencedregulatedsealingasaresult,approximately0.1m(5%)inmeanbodylengthoffe-continuinguntilthelate1960s(Laws1994).malesbetween1and10yearsofagewasestimatedtoSincecommer

6、cialhuntingofelephantsealsceased,haveoccurredbetweenthe1950–1960sand1990satseriousdeclineshavebeendetectedinthesouthernMacquarieIsland.ThisisconsistentwithareductioninIndianOceanandMacquarieIslandstocks(Hindellboththerateofpopulationdeclineandtheageofonsetetal.1994),whilsttheSouthGeorgiapop

7、ulationhasofsexualmaturity.Agedeterminationusingdentalremainedstable(Boydetal.1996).DifferencesinbodycementumlayersandtheimportanceofstandardisedgrowthhavebeennotedbetweentheSouthGeorgiaandmeasurementsinpinnipedgrowthstudiesarediscussed.MacquarieIslandpop