{"refrec":{"BRefID":259704,"RR":"<b>Robinson, T.B.; Griffiths, C.L.; Branch, G.M.; Govender, A.</b> (2007). The invasion and subsequent die-off of <i>Mytilus galloprovincialis</i> in Langebaan Lagoon, South Africa: effects on natural communities. <i>Mar. Biol. (Berl.) 152(2)</i>: 225-232. <a href=\"http://dx.doi.org/10.1007/s00227-007-0697-x\" target=\"_blank\">http://dx.doi.org/10.1007/s00227-007-0697-x</a>","BEntID":251715,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Biol. (Berl.) 152(2)</i>: 225-232. <a href=\"http://dx.doi.org/10.1007/s00227-007-0697-x\" target=\"_blank\">http://dx.doi.org/10.1007/s00227-007-0697-x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Robinson, T.B.; Griffiths, C.L.; Branch, G.M.; Govender, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Robinson, T.B. <i>et al.</i>","Englishabstract":"The alien mussel Mytilus galloprovincialis invaded sand banks in Langebaan Lagoon on the west coast of South Africa in the mid-1990s. However, by 2001 these beds had completely died off, with only empty shells and anoxic sand remaining. In an effort to prevent the re-settlement of this aggressive invader, all dead mussel shells were then cleared. This study considered the impacts of the invasion and subsequent die-off on natural benthic communities. Community composition differed significantly between non-invaded and invaded areas (ANOSIM, R = 0.685 and P < 0.01) as the physical presence of mussel beds created a new habitat that promoted invasion by indigenous rocky-shore species. This dramatically increased faunal biomass from 1,132.9 g m-2 ± 3,454.7 SD to 53,262.4 g m-2 ± 23,052.6 SD and species richness from 38 to 49 species. Following the die-off of the mussel beds, communities remained significantly different between non-invaded areas and those in which mussel shells remained (ANOSIM, R = 0.663 and P < 0.01). Species richness was significantly greater in non-invaded areas (18 species) than in uncleared areas with remnant shells (four species) (Kruskal–Wallis ANOVA H 2,36 = 10.8964 and P = 0.032), as the previously dominant rocky-shore species became smothered by sediment and the compacted shells formed an impermeable layer excluding sandy-shore burrowing organisms. After the shells were cleared, 50% of the sandy-shore species associated with non-invaded areas returned within 5 months, but community structure still remained significantly different to non-invaded areas (ANOSIM, R = 0.235 and P > 0.05). Invasion thus dramatically altered natural communities and although the subsequent removal of the dead mussel shells appears to have aided recovery, community composition remained different from the pre-invasion state after 5 months.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"The invasion and subsequent die-off of <i>Mytilus galloprovincialis</i> in Langebaan Lagoon, South Africa: effects on natural communities","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-15 01:32:54.613168","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2007,"MonPub":null,"DateUpdate":"2016-07-06","DateCreate":"2016-07-06","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000248189300001","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s00227-007-0697-x"},"refs":null,"anarec":{"AnaID":259704,"PubliDate":2007,"Pagination":"225-232","XtraPublOfAnaID":null,"ISBN":null,"Volume":"152","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43352,"SerRR":"Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin.  ISSN 0025-3162; e-ISSN 1432-1793","StandardTitleSer":"Marine Biology: International Journal on Life in Oceans and Coastal Waters","ISSN":"0025-3162","AbbrevSer":"Mar. Biol. 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