Data/hora: 06/06/2024 06:04:19

Provedor de dados: | 5
País: | France
Título: | Responses of ecological indicators to fishing pressure under environmental change: exploring non-linearity and thresholds
Autores: | Fu, Caihong; Xu, Yi; Grüss, Arnaud; Bundy, Alida; Shannon, Lynne; Heymans, Johanna J; Halouani, Ghassen; Akoglu, Ekin; Lynam, Christopher P; Coll, Marta; Fulton, Elizabeth A; Velez, Laure; Shin, Yunne-jai.
Data: | 2019-09
Ano: | 2019
Resumo: | Marine ecosystems are influenced by multiple stressors in both linear and non-linear ways. Using generalized additive models (GAMs) fitted to outputs from a multi-ecosystem, multi-model simulation experiment, we investigated 14 major ecological indicators across ten marine ecosystems about their responses to fishing pressure under: (i) three different fishing strategies (focusing on low-, high-, or all-trophic-level taxa); and (ii) four different scenarios of directional or random primary productivity change, a proxy for environmental change. From this work, we draw four major conclusions: (i) responses of indicators to fishing mortality in shapes, directions, and thresholds depend on the fishing strategies considered; (ii) most of the indicators demonstrate decreasing trends with increasing fishing mortality, with a few exceptions depending on the type of fishing strategy; (iii) most of the indicators respond to fishing mortality in a linear way, particularly for community and biomass-based indicators; and (iv) occurrence of threshold for non-linear-mixed type (i.e. non-linear with inflection points) is not prevalent within the fishing mortality rates explored. The conclusions drawn from the present study provide a knowledge base in indicators’ dynamics under different fishing and primary productivity levels, thereby facilitating the application of ecosystem-based fisheries management worldwide.
Tipo: | Text
Idioma: | Inglês

Identificador:

https://archimer.ifremer.fr/doc/00516/62749/67138.pdf

https://archimer.ifremer.fr/doc/00516/62749/67139.pdf

DOI:10.1093/icesjms/fsz182

https://archimer.ifremer.fr/doc/00516/62749/

Editor: | Oxford University Press (OUP)
Formato: | application/pdf
Fonte: | ICES Journal of Marine Science (1054-3139) (Oxford University Press (OUP)) In Press

Fonte:

info:eu-repo/semantics/openAccess

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