Maifische an der deutschen Nordseeküste - zum Auftreten von Finte (Alosa fallax) und Alse (Alosa alosa)

Maifische an der deutschen Nordseeküste - zum Auftreten von Finte (Alosa fallax) und Alse (Alosa alosa)

Quantitative data on twaite shad are collected annually in spring and autumn since 1974 by the Demersal Young Fish Survey. Results for occurrence of these anadromous species show that twaite shad has been caught in the entire Wadden Sea area despite of the poorly suited 3-m shrimp beam trawl applied in the survey. Regional differences occur: Only sporadic catches are observed in the northern part of the German Wadden Sea, while more frequent ones occurred southwards and in the East Frisian Islands region. The obvious recent increase of abundance of Alosa fallax in spring allows for a lower ranking in the Red List of Endangered Species, while Allis shad (Alosa alosa) requires the same classification, as it was the never caught during the thirty years of surveys.

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Bibliographic Details
Main Authors: Neudecker, Thomas, Damm, Ulrich
Format: article biblioteca
Language:German
Published: 2005
Subjects:Fisheries, stock asessment, range, DYFS,
Online Access:http://hdl.handle.net/1834/20828
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id dig-aquadocs-1834-20828
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spelling dig-aquadocs-1834-208282021-07-01T02:30:36Z Maifische an der deutschen Nordseeküste - zum Auftreten von Finte (Alosa fallax) und Alse (Alosa alosa) Occurance of twaite shad (Alosa fallax) and allis shad (Alosa alosa) along the German North Sea coast Neudecker, Thomas Damm, Ulrich Fisheries stock asessment range DYFS Quantitative data on twaite shad are collected annually in spring and autumn since 1974 by the Demersal Young Fish Survey. Results for occurrence of these anadromous species show that twaite shad has been caught in the entire Wadden Sea area despite of the poorly suited 3-m shrimp beam trawl applied in the survey. Regional differences occur: Only sporadic catches are observed in the northern part of the German Wadden Sea, while more frequent ones occurred southwards and in the East Frisian Islands region. The obvious recent increase of abundance of Alosa fallax in spring allows for a lower ranking in the Red List of Endangered Species, while Allis shad (Alosa alosa) requires the same classification, as it was the never caught during the thirty years of surveys. Johann Heinrich von Thünen-Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery Research in 2010. 2021-06-24T15:48:44Z 2021-06-24T15:48:44Z 2005 article FALSE 1861-2164 10.3220/Infn52_43-50_2005 http://hdl.handle.net/1834/20828 de http://aquacomm.fcla.edu/3065 http://www.vti.bund.de application/pdf application/pdf 43-50 thomas.neudecker@vti.bund.de http://aquaticcommons.org/id/eprint/3065 1240 2011-09-29 17:57:54 3065 Bundesforschungsanstalt für Fischerei
institution UNESCO
collection DSpace
country Francia
countrycode FR
component Bibliográfico
access En linea
databasecode dig-aquadocs
tag biblioteca
region Europa del Oeste
libraryname Repositorio AQUADOCS
language German
topic Fisheries
stock asessment
range
DYFS
Fisheries
stock asessment
range
DYFS
spellingShingle Fisheries
stock asessment
range
DYFS
Fisheries
stock asessment
range
DYFS
Neudecker, Thomas
Damm, Ulrich
Maifische an der deutschen Nordseeküste - zum Auftreten von Finte (Alosa fallax) und Alse (Alosa alosa)
description Quantitative data on twaite shad are collected annually in spring and autumn since 1974 by the Demersal Young Fish Survey. Results for occurrence of these anadromous species show that twaite shad has been caught in the entire Wadden Sea area despite of the poorly suited 3-m shrimp beam trawl applied in the survey. Regional differences occur: Only sporadic catches are observed in the northern part of the German Wadden Sea, while more frequent ones occurred southwards and in the East Frisian Islands region. The obvious recent increase of abundance of Alosa fallax in spring allows for a lower ranking in the Red List of Endangered Species, while Allis shad (Alosa alosa) requires the same classification, as it was the never caught during the thirty years of surveys.
format article
topic_facet Fisheries
stock asessment
range
DYFS
author Neudecker, Thomas
Damm, Ulrich
author_facet Neudecker, Thomas
Damm, Ulrich
author_sort Neudecker, Thomas
title Maifische an der deutschen Nordseeküste - zum Auftreten von Finte (Alosa fallax) und Alse (Alosa alosa)
title_short Maifische an der deutschen Nordseeküste - zum Auftreten von Finte (Alosa fallax) und Alse (Alosa alosa)
title_full Maifische an der deutschen Nordseeküste - zum Auftreten von Finte (Alosa fallax) und Alse (Alosa alosa)
title_fullStr Maifische an der deutschen Nordseeküste - zum Auftreten von Finte (Alosa fallax) und Alse (Alosa alosa)
title_full_unstemmed Maifische an der deutschen Nordseeküste - zum Auftreten von Finte (Alosa fallax) und Alse (Alosa alosa)
title_sort maifische an der deutschen nordseeküste - zum auftreten von finte (alosa fallax) und alse (alosa alosa)
publishDate 2005
url http://hdl.handle.net/1834/20828
work_keys_str_mv AT neudeckerthomas maifischeanderdeutschennordseekustezumauftretenvonfintealosafallaxundalsealosaalosa
AT dammulrich maifischeanderdeutschennordseekustezumauftretenvonfintealosafallaxundalsealosaalosa
AT neudeckerthomas occuranceoftwaiteshadalosafallaxandallisshadalosaalosaalongthegermannorthseacoast
AT dammulrich occuranceoftwaiteshadalosafallaxandallisshadalosaalosaalongthegermannorthseacoast
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