DTU Aqua Institut for Akvatiske Ressourcer Registrering af fangster med standardredskaber i de danske kystområder Nøglefiskerrapport for 2017-2019 Josianne G. Støttrup, Alexandros Kokkalis, Mads Christoffersen, Eva Maria Pedersen, Michael Ingemann Pedersen og Jeppe Olsen DTU Aqua-rapport nr. 375-2020 Registrering af fangster med standardredskaber i de danske kystområder Nøglefiskerrapport for 2017-2019 Af Josianne G. Støttrup, Alexandros Kokkalis, Mads Christoffersen, Eva Maria Pedersen, Michael Ingemann Pedersen og Jeppe Olsen DTU Aqua-rapport nr. 375-2020 Kolofon Titel: Registrering af fangster med standardredskaber i de danske kystområder. Nøglefiskerrapport for 2017-2019 Forfattere: Josianne G. Støttrup, Alexandros Kokkalis, Mads Christoffersen, Eva Maria Pe- dersen, Michael Ingemann Pedersen og Jeppe Olsen DTU Aqua-rapport nr.: 375-2020 År: November 2020 Reference: Støttrup JG, Kokkalis A, Christoffersen M, Pedersen EM, Pedersen MI og Olsen J (2020). Registrering af fangster med standardredskaber i de danske kystområ- der. Nøglefiskerrapport for 2017-2019. DTU Aqua-rapport nr. 375-2020. Institut for Akvatiske Ressourcer, Danmarks Tekniske Universitet. 153 pp. + bilag Forsidefoto: Pighvar klar til udsætning. Foto: Mads Christoffersen. Udgivet af: Institut for Akvatiske Ressourcer (DTU Aqua), Danmarks Tekniske Universitet, Kemitorvet, 2800 Kgs. Lyngby Download: www.aqua.dtu.dk/publikationer ISSN: 1395-8216 ISBN: Trykt udgave: 978-87-7481-298-2 Elektronisk udgave: 978-87-7481-299-9 DTU Aqua-rapporter er afrapportering fra forskningsprojekter, oversigtsrapporter over faglige emner, redegørelser til myn- digheder o.l. Med mindre det fremgår af kolofonen, er rapporterne ikke fagfællebedømt (peer reviewed), hvilket betyder, at indholdet ikke er gennemgået af forskere uden for projektgruppen. Indhold DANSK RESUMÉ ................................................................................................................................................ 5 ENGLISH SUMMARY ......................................................................................................................................... 7 TAK TIL NØGLEFISKERE M.FL. ....................................................................................................................... 9 1 INTRODUKTION ....................................................................................................................................... 11 2 FISKERIET OG INDSAMLEDE DATA ..................................................................................................... 13 2.1 GARNFISKERI ....................................................................................................................................... 13 2.2 RUSEFISKERI ....................................................................................................................................... 14 2.3 FISKERE OG OMRÅDER ......................................................................................................................... 14 2.4 OPARBEJDNING AF FANGSTERNE .......................................................................................................... 16 2.5 FANGSTEN ........................................................................................................................................... 17 3 BESKRIVELSE AF HOVEDOMRÅDER ................................................................................................... 23 3.1 ÅBNE VESTKYST .................................................................................................................................. 23 3.2. AALBORG BUGT OG LÆSØ .................................................................................................................... 25 LIMFJORDEN GENERELT .................................................................................................................................... 26 3.3. VESTLIGE LIMFJORD ............................................................................................................................. 27 3.4. SKIVE FJORD OG LOVNS BREDNING ...................................................................................................... 29 3.5. NORDLIGE LIMFJORD ............................................................................................................................ 31 3.6 NISSUM FJORD .................................................................................................................................... 33 3.7 RINGKØBING FJORD ............................................................................................................................. 34 3.8 ØSTVENDTE FJORDE ............................................................................................................................ 36 3.9 AARHUS BUGT ..................................................................................................................................... 38 3.10 VEJLE FJORD ....................................................................................................................................... 40 3.11 LILLEBÆLT ........................................................................................................................................... 42 3.12 FYNS ØHAV ......................................................................................................................................... 44 3.13 ODENSE FJORD ................................................................................................................................... 46 3.14 STOREBÆLT OG KERTEMINDE FJORD .................................................................................................... 48 3.15 SEJERØ BUGT ...................................................................................................................................... 50 3.16 ROSKILDE FJORD OG ISEFJORD ............................................................................................................ 52 3.17 ØRESUND OG FAXE BUGT .................................................................................................................... 54 3.18 SMÅLANDSFARVANDET ......................................................................................................................... 56 3.19 FEMERN BÆLT ..................................................................................................................................... 58 3.20 PRÆSTØ FJORD ................................................................................................................................... 60 3.21 BORNHOLM .......................................................................................................................................... 62 4 DE HYPPIGST FANGEDE ARTER .......................................................................................................... 65 4.1 SKRUBBE (PLATICHTHYS FLESUS) ......................................................................................................... 66 4.1.1 Skrubbe i garn ........................................................................................................................... 66 4.1.2 Skrubbe i ruse ............................................................................................................................ 73 4.2 TORSK (GADUS MORHUA) ..................................................................................................................... 80 4.2.1 Torsk i garn ................................................................................................................................ 80 4.2.2 Torsk i ruse ................................................................................................................................ 84 4.3 RØDSPÆTTE (PLEURONECTES PLATESSA) ............................................................................................. 90 4.3.1 Rødspætte i garn ....................................................................................................................... 90 4.3.2 Rødspætte i ruse ....................................................................................................................... 94 4.4 ÅL (ANGUILLA ANGUILLA) ...................................................................................................................... 98 4.4.1 Ål i ruse ...................................................................................................................................... 98 4.5 ÅLEKVABBE (ZOARCES VIVIPARUS) ..................................................................................................... 105 4.5.1 Ålekvabbe i ruse ...................................................................................................................... 105 4.6 SORTMUNDET KUTLING (NEOGOBIUS MELANOSTOMUS) ........................................................................ 111 4.6.1 Sortmundet kutling i ruse ......................................................................................................... 111 5 KRABBER ............................................................................................................................................... 115 5.1 ALMINDELIG STRANDKRABBE .............................................................................................................. 115 5.2 TASKEKRABBE ................................................................................................................................... 116 5.3 KINESISK ULDHÅNDSKRABBE ..............................................................................................................