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	Provedor de dados Rev. Bras. Zool. (1) ArchiMer (1) Autor Assylbekova,Ainur (1) Fefelov,Viktor (1) Gascuel, Didier (1) Hernvann, Pierre-yves (1) Kurzhykayev,Zhumagazy (1) Sabdinova,Dinara (1) Syzdykov,Kuanysh (1) Mais... Palavra-chave Fish productivity (2) Biomass of fishing reserve (1) Biomass production model (1) Catch (1) Catch reconstruction (1) Celtic Sea (1) Ecosystem regime shifts (1) Fishing impact (1) Ichthyological studies (1) Trophic cascade (1) Mais... Tipo do documento Info:eu-repo/semantics/article (1) Text (1) Ano 2020 (1) 2019 (1) País Brazil (1) France (1) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Exploring the impacts of fishing and environment on the Celtic Sea ecosystem since 1950 ArchiMer Hernvann, Pierre-yves; Gascuel, Didier. Analyzing the long-term changes in ecosystems and disentangling the influence of overfishing and environment require historical data integration. Fisheries-independent data are available only since the mid-1980s in the Celtic Sea and thus provide a short-term and truncated vision of fishing impacts. We conducted a catch-based study over the 1950–2015 period. We successively (i) reconstituted catch time-series, including unreported catch estimates, and studied them through a trophic-spectrum approach and ecosystem indicators based on trophic level, size and species diversity; (ii) estimated biomass trends of the main Celtic Sea target species from catch and effort time-series, using production models that detect potential shifts in productivity; and (iii)... Tipo: Text Palavras-chave: Fishing impact; Celtic Sea; Catch reconstruction; Biomass production model; Ecosystem regime shifts; Trophic cascade; Fish productivity. Ano: 2020 URL: https://archimer.ifremer.fr/doc/00600/71241/73090.pdf Actual status of fishing reserves of the Yesil River Rev. Bras. Zool. Kurzhykayev,Zhumagazy; Syzdykov,Kuanysh; Assylbekova,Ainur; Sabdinova,Dinara; Fefelov,Viktor. ABSTRACT In this article, the study and prediction of the state of fish resources in the Yesil River was carried out to determine the boundary reference points of the reserve and management decisions in case they are exceeded, to ensure sustainable fisheries and preserve biological diversity. Ichthyological studies, retrospective analyses and rankings of the effects of the water supply of the Yesil River on fish stocks have been carried out, critical values of the biomass of fishing reserves have been determined, as criteria for biologically safe fishing values and targets for management of fish stocks at reaching the boundary values of 24.03 tonnes have been established. According to the results of studies of basic biological indicators, it was determined... Tipo: Info:eu-repo/semantics/article Palavras-chave: Biomass of fishing reserve; Catch; Fish productivity; Ichthyological studies. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100323 Registros recuperados: 2 Primeira ... 1 ... Última

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