{"refrec":{"BRefID":348018,"RR":"<b>Wells, F.E.; Bessey, C.; Gagnon, M.M.; Keesing, J.K.; Prince, J.</b> (2021). A recurring population of the sea hare <i>Bursatella hirsuta</i> (Gastropoda: Aplysiidae) at Rottnest Island, Western Australia. <i>Moll. Res. 41(4)</i>: 285-288. <a href=\"https://dx.doi.org/10.1080/13235818.2021.2007750\" target=\"_blank\">https://dx.doi.org/10.1080/13235818.2021.2007750</a>","BEntID":344710,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Moll. Res. 41(4)</i>: 285-288. <a href=\"https://dx.doi.org/10.1080/13235818.2021.2007750\" target=\"_blank\">https://dx.doi.org/10.1080/13235818.2021.2007750</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Wells, F.E.; Bessey, C.; Gagnon, M.M.; Keesing, J.K.; Prince, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Wells, F.E. <i>et al.</i>","Englishabstract":"In many, but not all, years a recurring population of the marine aplysiid <i>Bursatella hirsuta</i> occurs on an intertidal limestone platform stretching between Little Armstrong Bay and North Point at Rottnest Island, Western Australia. Using a transect/quadrat method, we measured densities of <i>B. hirsuta</i> during the austral summer of 2020/2021. No individuals were present in December 2020, but a population with a mean density of 16.5 ± 1.6 (SE) inds m<sup>−2</sup> was present on 17 January 2021. Density was low in bare sand (2.6 ± 3.2 inds m<sup>−2</sup>) and in the seagrass <i>Amphibolis antarctica</i> (2.0 ± 1.4 inds m<sup>−2</sup>), high in mixed algae, mostly Phaeophyceae (18.2 ± 1.8 inds m<sup>−2</sup>) and greatest (27.2 ± 14.3 inds m<sup>−2</sup>) in a small number of quadrats with a mixture of sand and algae or sand and <i>A. antarctica</i>. The population was estimated at >600,000 individuals. The species was present in February but had disappeared by late March 2021. The population at Little Armstrong Bay and North Point provides a fertile opportunity for developing a better understanding of the biology of <i>B. hirsuta</i> and broader questions of boom-and-bust populations.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A recurring population of the sea hare <i>Bursatella hirsuta</i> (Gastropoda: Aplysiidae) at Rottnest Island, Western Australia","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:32:02.239218","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Aplysia; intertidal; Indian Ocean; boom-and-bust","OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2022-10-04","DateCreate":"2021-12-09","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000722121800001","VABBcode":null,"OpenAcc":0,"DOI":"10.1080/13235818.2021.2007750"},"refs":null,"anarec":{"AnaID":348018,"PubliDate":2021,"Pagination":"285-288","XtraPublOfAnaID":null,"ISBN":null,"Volume":"41","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45510,"SerRR":"Molluscan Research. 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