{"refrec":{"BRefID":100588,"RR":"<b>Collie, J.S.; Escanero, G.A.; Valentine, P.C.</b> (1997). Effects of bottom fishing on the benthic megafauna of Georges Bank. <i>Mar. Ecol. Prog. Ser. 155</i>: 159-172","BEntID":95802,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Mar. Ecol. Prog. Ser. 155</i>: 159-172","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Collie, J.S.; Escanero, G.A.; Valentine, P.C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Collie, J.S.; Escanero, G.A.; Valentine, P.C.","Englishabstract":"This study addresses ongoing concerns over the effects of mobile fishing gear on benthic communities. Using side-scan sonar, bottom photographs and fishing records, we identified a set of disturbed and undisturbed sites on the gravel pavement area of northern Georges Bank in the northwest Atlantic. Replicate samples of the megafauna were collected with a 1 m Naturalists' dredge on 2 cruises in 1994. Compared with the disturbed sites, the undisturbed sites had higher numbers of organisms, biomass, species richness and species diversity; evenness was higher at the disturbed sites. Undisturbed sites were characterized by an abundance of bushy epifaunal taxa (bryozoans, hydroids, worm tubes) that provide a complex habitat for shrimps, polychaetes, brittle stars, mussels and small fish. Disturbed sites were dominated by larger, hard-shelled molluscs, and scavenging crabs and echinoderms. Many of the megafaunal species in our samples have also been identified in stomach contents of demersal fish on Georges Bank; the abundances of at least some of these species were reduced at the disturbed sites.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Effects of bottom fishing on the benthic megafauna of Georges Bank","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1997,"MonPub":null,"DateUpdate":"2006-07-12","DateCreate":"2006-07-12","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1997XY39500014","VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":100588,"PubliDate":1997,"Pagination":"159-172","XtraPublOfAnaID":null,"ISBN":null,"Volume":"155","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43354,"SerRR":"Marine Ecology Progress Series. 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