{"refrec":{"BRefID":133323,"RR":"<b>Ulleweit, J.; Panten, K.; Stransky, C.</b> (2008). Rückwürfe in den Fischereien unter deutscher Flagge: Ergebnisse aus 6 Jahren Datenerhebungsprogramm am Institut für Seefischerei = Discards in the fisheries under German flag: Results from 6 Years of National Data Collection at the Institute of Sea Fisheries. <i>Inf. Fischereiforsch. 55</i>: 45-54","BEntID":127288,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":null,"RefStringPartII":". <i>Inf. Fischereiforsch. 55</i>: 45-54","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Ulleweit, J.; Panten, K.; Stransky, C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Ulleweit, J.; Panten, K.; Stransky, C.","Englishabstract":"Since 2002 Germany is obliged to collect fishery data to support the European Common Fishery Policy. Sampling of the commercial fishery under German flag is one duty within the EU fisheries data collection programme. During the past 6 years, 148 fishing trips were sampled by scientific observers onboard commercial fishing vessels to collect data on catch compositions with special emphasis on the proportions of landed and discarded fish. The results show that the proportion of discardis depending on the fishery. Highest discard rates were observed on beam trawl fishing trips. At the level of individual fishing trips, discard rates varied extremely within a fishery segment. Highest variations were found in the beam and bottom otter trawl fishery. In contrast, the discard rates in high-seas fisheries were low.","AbstractOtherLang":"Deutschland ist seit 2002 zur Erhebung fischereibezogener Basisdaten zur Unterstützung der Gemeinsamen Fischereipolitik im Rahmen des EU-Fischereidatenerhebungsprogramms verpflichtet. Eine Aufgabe innerhalb des Programms ist es, die Beprobung der kommerziellen Fischerei unter deutscher Flagge sicherzustellen. In den vergangenen Jahren wurden auf insgesamt 148 Fangreisen durch wissenschaftliche Beobachter an Bord von Fischereifahrzeugen die Fangzusammensetzungen mit dem Anteil der Anlandungen und der Discards untersucht. Der Anteil der Rückwürfe ist dabei stark abhängig von der Art der Fischerei. Die höchsten Discardraten bei den hier untersuchten Fischereien lassen sich für die Baumkurrenfischereien nachweisen. Betrachtet man einzelne Fangreisen, so variiert die Discardrate innerhalb eines Fischereisegments oft stark, am stärksten in der Baumkurren- und Grundschleppnetzfischerei. Dagegen sind die Discardraten in der kleinen und großen Hochseefischerei niedrig.","BibLvlCode":"AS","StandardTitle":"Rückwürfe in den Fischereien unter deutscher Flagge: Ergebnisse aus 6 Jahren Datenerhebungsprogramm am Institut für Seefischerei = Discards in the fisheries under German flag: Results from 6 Years of National Data Collection at the Institute of Sea Fisheries","OrigTitleLangCode":"de","OrigTitleLangCodeExtended":"ger","OrigTitleLangID":13,"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":2008,"MonPub":null,"DateUpdate":"2009-04-07","DateCreate":"2009-04-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":133323,"PubliDate":2008,"Pagination":"45-54","XtraPublOfAnaID":null,"ISBN":null,"Volume":"55","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":80464,"SerRR":"Informationen aus der Fischereiforschung = Information on Fishery Research. 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