{"refrec":{"BRefID":287987,"RR":"<b>Everett, B.I.; Groeneveld, J.C.; Fennessy, S.T.; Dias, N.; Filipe, O.; Zacarias, L.; Igulu, M.; Kuguru, B.; Kimani, E.; Munga, C.N.; Rabarison, G.A.; Razafindrakoto, H.; Yemane, D.</b> (2015). Composition and abundance of deep-water crustaceans in the Southwest Indian Ocean: enough to support trawl fisheries? <i>Ocean Coast. Manag. 111</i>: 50-61. <a href=\"https://dx.doi.org/10.1016/j.ocecoaman.2015.04.003\" target=\"_blank\">https://dx.doi.org/10.1016/j.ocecoaman.2015.04.003</a>","BEntID":280012,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":" <i>Ocean Coast. Manag. 111</i>: 50-61. <a href=\"https://dx.doi.org/10.1016/j.ocecoaman.2015.04.003\" target=\"_blank\">https://dx.doi.org/10.1016/j.ocecoaman.2015.04.003</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Everett, B.I.; Groeneveld, J.C.; Fennessy, S.T.; Dias, N.; Filipe, O.; Zacarias, L.; Igulu, M.; Kuguru, B.; Kimani, E.; Munga, C.N.; Rabarison, G.A.; Razafindrakoto, H.; Yemane, D.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Everett, B.I. <i>et al.</i>","Englishabstract":"Expanding coastal fisheries into deeper waters is frequently tabled as an option to increase harvests from the sea in the Southwest Indian Ocean. In this region, only Mozambique and South Africa have established deep-water trawl fisheries for mixed crustaceans. To investigate the fishery potential of deep shelf waters over a broader geographical extent, four bottom trawl surveys were undertaken, in Madagascar, Mozambique, Tanzania and Kenya, respectively, in 2011–2012. Teleosts dominated catches in all surveys (59–74% of total catches) and depths. Crustaceans made up 15% of the catch in Mozambique and Madagascar, but only 6% in Kenya and Tanzania, where elasmobranchs (18%) and other invertebrates (11–15%) were more abundant. A generalized linear model was constructed to quantify the effects of country, depth and day/night on the abundance of four common crustacean species. Abundance of <i>Haliporoides triarthrus</i> and <i>Metanephrops mozambicus</i> declined from south (Madagascar, Mozambique) to north (Kenya, Tanzania), but <i>Heterocarpus woodmasoni</i> was more abundant in Madagascar, Tanzania and Kenya. <i>Chaceon macphersoni</i> and <i>H. triarthrus</i> abundance increased up to 600 m depth, whereas <i>M. mozambicus</i> and <i>H. woodmasoni</i> peaked shallower, at 350–500 m. Crustacean catch composition in Mozambique was strikingly similar to commercial landings in eastern South Africa, supporting a distinct sub-region for fisheries management, but differed markedly across the Mozambique Channel. Deep-water crustaceans were less abundant in Kenya and Tanzania, with limited commercial appeal. New deep-water trawl fisheries will have to contend with significant teleost bycatch.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Composition and abundance of deep-water crustaceans in the Southwest Indian Ocean: enough to support trawl fisheries?","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-01 01:34:27.456972","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Abundance index, Standardized CPUE, Crustaceans, Teleosts, Catch composition, Southwest Indian Ocean, Nominal biomass, Fisheries management, Shared resources, Trawl surveys","OtherDescriptors":null,"Notes":null,"AnaPub":2015,"MonPub":null,"DateUpdate":"2018-11-13","DateCreate":"2017-08-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000355885800005","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.ocecoaman.2015.04.003"},"refs":null,"anarec":{"AnaID":287987,"PubliDate":2015,"Pagination":"50-61","XtraPublOfAnaID":null,"ISBN":null,"Volume":"111","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43586,"SerRR":"Ocean & Coastal Management. 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