Die Entwicklung des Aufwandes in der deutschen Garnelenfischerei und der Versuch einer Standardisierung der jährlichen Einheitsanlandungen (LPUE) zwischen 1976 und 2010
Brown shrimp is a fastgrowing, shortlived species, and all attempts to use stock assessment methodologies typically applied to other fisheries are usually unsuccessful.Here landings per unit effort data (LPUE) for the German fleet based on a number of effort metrics are used as indices of stock size. Their utility in relation to describing stock development and fisheries management is discussed.LPUE estimates indicate that stock sizes between 1976 and 1989 were relatively stable. In 1990, the lowest reported landings of brown shrimps in Germany coincided with severe economic problems for the shrimp fisheries. From 1990 to 2010 standardised annual indices show that both landings and LPUE estimates have increased at variable rates suggesting large stocks of brown shrimps in recent years.This is discussed in relation to the positive effects of reduced predator abundance and favourable climatic factors.
Main Authors: | , , , |
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Format: | article biblioteca |
Language: | German |
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2011
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Subjects: | Fisheries, shrimp fishery, Crangon crangon, catch effort, standardisation, MSC, German shrimp fishery, North Sea, German Bight, German shrimp fleet, shrimp cutters, |
Online Access: | http://hdl.handle.net/1834/24432 |
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dig-aquadocs-1834-244322021-07-03T04:10:22Z Die Entwicklung des Aufwandes in der deutschen Garnelenfischerei und der Versuch einer Standardisierung der jährlichen Einheitsanlandungen (LPUE) zwischen 1976 und 2010 Effort development in German brown shrimp fishery and the attempt to standardize annual landings per unit effort in the period 1976 to 2010 Neudecker, Thomas Damm, Ulrich Müller, Milan Berkenhagen, Jörg Fisheries shrimp fishery Crangon crangon catch effort standardisation MSC German shrimp fishery North Sea German Bight German shrimp fleet shrimp cutters Brown shrimp is a fastgrowing, shortlived species, and all attempts to use stock assessment methodologies typically applied to other fisheries are usually unsuccessful.Here landings per unit effort data (LPUE) for the German fleet based on a number of effort metrics are used as indices of stock size. Their utility in relation to describing stock development and fisheries management is discussed.LPUE estimates indicate that stock sizes between 1976 and 1989 were relatively stable. In 1990, the lowest reported landings of brown shrimps in Germany coincided with severe economic problems for the shrimp fisheries. From 1990 to 2010 standardised annual indices show that both landings and LPUE estimates have increased at variable rates suggesting large stocks of brown shrimps in recent years.This is discussed in relation to the positive effects of reduced predator abundance and favourable climatic factors. Johann Heinrich von Thünen-Institut, Federal Research Institute of Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung - Information on Fishery Research in 2010 2021-06-24T16:13:44Z 2021-06-24T16:13:44Z 2011 article 1861-2164 http://hdl.handle.net/1834/24432 de http://aquaticcommons.org/7501/ application/pdf application/pdf 43-53 thomas.neudecker@vti.bund.de http://aquaticcommons.org/id/eprint/7501 1240 2012-02-09 15:49:43 7501 Johann Heinrich von Thünen-Institut, Bundesforschungsinstitut für Ländliche Räume, Wald und Fischerei |
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Fisheries shrimp fishery Crangon crangon catch effort standardisation MSC German shrimp fishery North Sea German Bight German shrimp fleet shrimp cutters Fisheries shrimp fishery Crangon crangon catch effort standardisation MSC German shrimp fishery North Sea German Bight German shrimp fleet shrimp cutters |
spellingShingle |
Fisheries shrimp fishery Crangon crangon catch effort standardisation MSC German shrimp fishery North Sea German Bight German shrimp fleet shrimp cutters Fisheries shrimp fishery Crangon crangon catch effort standardisation MSC German shrimp fishery North Sea German Bight German shrimp fleet shrimp cutters Neudecker, Thomas Damm, Ulrich Müller, Milan Berkenhagen, Jörg Die Entwicklung des Aufwandes in der deutschen Garnelenfischerei und der Versuch einer Standardisierung der jährlichen Einheitsanlandungen (LPUE) zwischen 1976 und 2010 |
description |
Brown shrimp is a fastgrowing, shortlived species, and all attempts to use stock assessment methodologies typically applied to other fisheries are usually unsuccessful.Here landings per unit effort data (LPUE) for the German fleet based on a number of effort metrics are used as indices of stock size. Their utility in relation to describing stock development and fisheries management is discussed.LPUE estimates indicate that stock sizes between 1976 and 1989 were relatively stable. In 1990, the lowest reported landings of brown shrimps in Germany coincided with severe economic problems for the shrimp fisheries. From 1990 to 2010 standardised annual indices show that both landings and LPUE estimates have increased at variable rates suggesting large stocks of brown shrimps in recent years.This is discussed in relation to the positive effects of reduced predator abundance and favourable climatic factors. |
format |
article |
topic_facet |
Fisheries shrimp fishery Crangon crangon catch effort standardisation MSC German shrimp fishery North Sea German Bight German shrimp fleet shrimp cutters |
author |
Neudecker, Thomas Damm, Ulrich Müller, Milan Berkenhagen, Jörg |
author_facet |
Neudecker, Thomas Damm, Ulrich Müller, Milan Berkenhagen, Jörg |
author_sort |
Neudecker, Thomas |
title |
Die Entwicklung des Aufwandes in der deutschen
Garnelenfischerei und der Versuch einer Standardisierung der jährlichen Einheitsanlandungen (LPUE) zwischen 1976 und 2010 |
title_short |
Die Entwicklung des Aufwandes in der deutschen
Garnelenfischerei und der Versuch einer Standardisierung der jährlichen Einheitsanlandungen (LPUE) zwischen 1976 und 2010 |
title_full |
Die Entwicklung des Aufwandes in der deutschen
Garnelenfischerei und der Versuch einer Standardisierung der jährlichen Einheitsanlandungen (LPUE) zwischen 1976 und 2010 |
title_fullStr |
Die Entwicklung des Aufwandes in der deutschen
Garnelenfischerei und der Versuch einer Standardisierung der jährlichen Einheitsanlandungen (LPUE) zwischen 1976 und 2010 |
title_full_unstemmed |
Die Entwicklung des Aufwandes in der deutschen
Garnelenfischerei und der Versuch einer Standardisierung der jährlichen Einheitsanlandungen (LPUE) zwischen 1976 und 2010 |
title_sort |
die entwicklung des aufwandes in der deutschen
garnelenfischerei und der versuch einer standardisierung der jährlichen einheitsanlandungen (lpue) zwischen 1976 und 2010 |
publishDate |
2011 |
url |
http://hdl.handle.net/1834/24432 |
work_keys_str_mv |
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