Trenngitter - eine Alternative zu den Trichternetzen in der Garnelenfischerei
Experimental fishing trials were conducted in the Elbe Estuary using an experimental 3 m-standard beamtrawl. To avoid the by-catch of fish, a sorting grid was used. The elliptical grid was constructed of 6 mm diameter stainless steel bars with a spacing of 13 mm between the bars and housed in a cyli...
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ftaquaticcommons:oai:generic.eprints.org:4233 2023-05-15T16:19:09+02:00 Trenngitter - eine Alternative zu den Trichternetzen in der Garnelenfischerei Wienbeck, Harald 1995 application/pdf http://aquacomm.fcla.edu/4233 http://aquaticcommons.org/4233/ http://aquaticcommons.org/4233/1/INFN_42_1_36-42.PDF de ger http://aquaticcommons.org/4233/1/INFN_42_1_36-42.PDF Wienbeck, Harald (1995) Trenngitter - eine Alternative zu den Trichternetzen in der Garnelenfischerei. Informationen für die Fischwirtschaft aus der Fischereiforschung, 42(1), pp. 36-42. Fisheries Engineering Article NonPeerReviewed 1995 ftaquaticcommons 2020-02-27T09:20:48Z Experimental fishing trials were conducted in the Elbe Estuary using an experimental 3 m-standard beamtrawl. To avoid the by-catch of fish, a sorting grid was used. The elliptical grid was constructed of 6 mm diameter stainless steel bars with a spacing of 13 mm between the bars and housed in a cylindrical frame of 400 mm diameter. It was installed in the extension piece just in front of the codend angled at 45°, with a fish outlet at the top. A series of 10 tows of 15 minutes duration at a towing speed of 3 kn was done. The catch of the main codend was compared with the catch separated by the sorting grid. This achieved a reduction of 56 % of plaice (Pleuronectes platessa), 75 % of flounder (Platichthys flesus), 99 % of whiting (Merlangius merlangus), 94 % of cod (Gadus morhua) and 49 % of smelt (Osmerus eperlanus) with a mean loss of 43 % of shrimps (Crangon crangon). English grid trials in the Humber estuary using a flapper set or guiding funnel in front of the sorting grid device demonstrated reasonable lower escapement rates for fish and shrimps. Article in Journal/Newspaper Gadus morhua International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons |
institution |
Open Polar |
collection |
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons |
op_collection_id |
ftaquaticcommons |
language |
German |
topic |
Fisheries Engineering |
spellingShingle |
Fisheries Engineering Wienbeck, Harald Trenngitter - eine Alternative zu den Trichternetzen in der Garnelenfischerei |
topic_facet |
Fisheries Engineering |
description |
Experimental fishing trials were conducted in the Elbe Estuary using an experimental 3 m-standard beamtrawl. To avoid the by-catch of fish, a sorting grid was used. The elliptical grid was constructed of 6 mm diameter stainless steel bars with a spacing of 13 mm between the bars and housed in a cylindrical frame of 400 mm diameter. It was installed in the extension piece just in front of the codend angled at 45°, with a fish outlet at the top. A series of 10 tows of 15 minutes duration at a towing speed of 3 kn was done. The catch of the main codend was compared with the catch separated by the sorting grid. This achieved a reduction of 56 % of plaice (Pleuronectes platessa), 75 % of flounder (Platichthys flesus), 99 % of whiting (Merlangius merlangus), 94 % of cod (Gadus morhua) and 49 % of smelt (Osmerus eperlanus) with a mean loss of 43 % of shrimps (Crangon crangon). English grid trials in the Humber estuary using a flapper set or guiding funnel in front of the sorting grid device demonstrated reasonable lower escapement rates for fish and shrimps. |
format |
Article in Journal/Newspaper |
author |
Wienbeck, Harald |
author_facet |
Wienbeck, Harald |
author_sort |
Wienbeck, Harald |
title |
Trenngitter - eine Alternative zu den Trichternetzen in der Garnelenfischerei |
title_short |
Trenngitter - eine Alternative zu den Trichternetzen in der Garnelenfischerei |
title_full |
Trenngitter - eine Alternative zu den Trichternetzen in der Garnelenfischerei |
title_fullStr |
Trenngitter - eine Alternative zu den Trichternetzen in der Garnelenfischerei |
title_full_unstemmed |
Trenngitter - eine Alternative zu den Trichternetzen in der Garnelenfischerei |
title_sort |
trenngitter - eine alternative zu den trichternetzen in der garnelenfischerei |
publishDate |
1995 |
url |
http://aquacomm.fcla.edu/4233 http://aquaticcommons.org/4233/ http://aquaticcommons.org/4233/1/INFN_42_1_36-42.PDF |
genre |
Gadus morhua |
genre_facet |
Gadus morhua |
op_relation |
http://aquaticcommons.org/4233/1/INFN_42_1_36-42.PDF Wienbeck, Harald (1995) Trenngitter - eine Alternative zu den Trichternetzen in der Garnelenfischerei. Informationen für die Fischwirtschaft aus der Fischereiforschung, 42(1), pp. 36-42. |
_version_ |
1766005488505323520 |