{"refrec":{"BRefID":3067,"RR":"<b>Dahms, H.-U.; Bergmans, M.; Schminke, H.K.</b> (1990). Distribution and adaptations of sea ice inhabiting <i>Harpacticoida</i> (Crustacea, Copepoda) of the Weddell Sea (Antarctica). <i>Mar. Ecol. (Berl.) 11(3)</i>: 207-226","BEntID":3067,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Ecol. (Berl.) 11(3)</i>: 207-226","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Dahms, H.-U.; Bergmans, M.; Schminke, H.K.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Dahms, H.-U.; Bergmans, M.; Schminke, H.K.","Englishabstract":"Seven harpacticoid species were found to be associated with sea ice collected during 5 Antarctic cruises of the <i>RV Polarstern</i>. Their distribution within the fast ice and pack ice zones of the Weddell Sea is presented. Whereas some individuals probably become entrapped into the ice only accidentally, at least 4 species are genuinely sympagic. These have evolved remarkable adaptations, as evidenced by field and laboratory studies of <i>Drescheriella glacialis</i>, which is by far the most abundant. Such adaptations include: the ability to penetrate deep into ice; a comparatively high salinity tolerance allowing it to endure large salinity fluctuations associated with ice crystal formation and melting; good swimming ability, necessary both for horizontal dispersal and for a planktonic intermezzo after annual melting of the sea ice. <i>D. glacialis</i> is the first polar non-vertebrate metazoan to be cultivated through its entire life cycle. Its life history suggests an r-strategy; this would be the first indication of such a trait in the polar environment. A new species of <i>Drescheriella</i>, on the other hand, exhibits resting stages (CIV-V) known to date only for <i>Calanoida</i> but not reported for <i>Harpacticoida</i>.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Distribution and adaptations of sea ice inhabiting <i>Harpacticoida</i> (Crustacea, Copepoda) of the Weddell Sea (Antarctica)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1990,"MonPub":null,"DateUpdate":"2000-09-26","DateCreate":"2000-08-29","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1990EE13300002","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":3067,"PubliDate":1990,"Pagination":"207-226","XtraPublOfAnaID":null,"ISBN":null,"Volume":"11","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43355,"SerRR":"Marine Ecology (Berlin). 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