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- 33ab0ad8-539d-48ee-b4fa-332239b4b26b type BibliographyResearchObject assertion.
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- 33ab0ad8-539d-48ee-b4fa-332239b4b26b importedBy mailto:service-account-generation-service assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Concept "sensitivity" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Concept "simulation" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Concept "European Union" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Concept "individual" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Concept "fish" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Concept "time series" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Concept "pressure" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Concept "indicator" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Concept "abundance" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Concept "responsiveness" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b FieldOfResearch "earth sciences" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b IPTC "Animal" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b IPTC "Health" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b IPTC "Environment" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b IPTC "Fishing" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b IPTC "International relations" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Lemma "European Union" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Lemma "Marine Strategy Framework Directive" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Lemma "fish" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Lemma "time series" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Lemma "indicator" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Lemma "Strategy Framework Directive" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Lemma "size-based indicator" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b NASA "life sciences" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Phrase "cross-correlating time-series" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Phrase "fish stock" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Phrase "pressure-state relationship" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Phrase "state indicator" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Phrase "time-series of ecological indicator" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Sentence "To reflect the abundance of large individuals, the EU-Commission suggested several size-based indicators (SBI) Only few of these SBI have been tested within a pressure-state relationship, in which a state indicator is sensitive, responsive and specific to a given pressure." assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Sentence "Assessing the size structure and composition of fish stocks, as demanded by the Marine Strategy Framework Directive (MSFD) is considered to be critical for the evaluation of the health status of exploited populations." assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Sentence "Sensitivity and responsiveness of pressure-state relationship can be validated by cross-correlating time-series of pressure and state indicators." assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b TimeReference "less than 30 years" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b generatedAtTime "2013-01-01" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b description "Assessing the size structure and composition of fish stocks, as demanded by the Marine Strategy Framework Directive (MSFD), is considered to be critical for the evaluation of the health status of exploited populations. The MSFD explicitly contains the concept that many large individuals within a population are indicative of a healthy stock. To reflect the abundance of large individuals, the EU-Commission suggested several size-based indicators (SBI). Only few of these SBI have been tested within a pressure-state relationship, in which a state indicator is sensitive, responsive and specific to a given pressure. Sensitivity and responsiveness of pressure-state relationship can be validated by cross-correlating time-series of pressure and state indicators. In the real world, however, time-series of ecological indicators are not only affected by the influence of a pressure, but by natural variability, changes in the sampling method and stochasticity. Hence observed cross-correlations between pressure and state indicator time-series may not be based on a true causal link, especially if time-series are short (less than 30 years). To overcome these limitations, the performance of eight SBI was tested with a population model in which pressures (fishing mortality) and states of ecosystem components (SBI) were precisely known. We distinguished between relative SBI reflecting proportions of size-classes and absolute SBI reflecting absolute entities of the size-distribution such as the observed maximum size in a given survey year. Relative SBI were more sensitive to recruitment than absolute SBI. but not to fishing pressure, which makes relative SBI unsuitable for the assessment of the abundance of large individuals within a population. The outcomes of the model simulation were confirmed by a case study on North Sea cod, where the mean length of the largest ten individuals caught in a given survey year (L-max10) emerged as a promising indicator for the assessment of size structure. Exemplary, we demonstrate how the L-max10 may be incorporated into the existing International Council for the Exploration of the Sea (ICES) assessment framework by defining target and limit values of the good environmental status. (C) 2012 Elsevier Ltd. All rights reserved." assertion.
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- 33ab0ad8-539d-48ee-b4fa-332239b4b26b contributor generation_service assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b dateCreated "2018-06-20 11:28:55.043000+00:00" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Domain "statistics" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b cite-as "CNR-ISMAR, and Generation Service. "A simulation-approach to assess the size structure of commercially exploited fish populations within the European Marine Strategy Framework Directive." ROHub. Jun 20 ,2018. https://w3id.org/ro-id/33ab0ad8-539d-48ee-b4fa-332239b4b26b." assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Place "North Sea" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b about 632 assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b name "A simulation-approach to assess the size structure of commercially exploited fish populations within the European Marine Strategy Framework Directive" assertion.
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- 33ab0ad8-539d-48ee-b4fa-332239b4b26b dateModified "2025-03-05 12:47:06.354486+00:00" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b datePublished "2018-06-20 11:28:55.043000+00:00" assertion.
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- 33ab0ad8-539d-48ee-b4fa-332239b4b26b distributionCategory "Open access" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b Organization "European Union" assertion.
- 33ab0ad8-539d-48ee-b4fa-332239b4b26b author cbf3036d06193013875d7bd3b9956c89 assertion.