2023
DOI: 10.1111/fme.12668
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Spatial and temporal trends in the relative abundance of Caspian sturgeon during 2006–2022

Hasan Fazli,
Shahram Abdolmaleki,
Farhad Kaymaram
et al.

Abstract: We used the bycatch of Caspian sturgeon to quantify the species composition, length structure, spatial and temporal distribution, temporal dynamics of relative abundance (indexed as catch‐per‐unit‐effort, CPUE), effects of fingerlings released, and to forecast future sturgeon stock status. Dynamic factor analysis of temporal changes in species CPUE was used to quantify relationships to environmental variables (sea surface temperature, chlorophyll‐a, sea surface level, and river discharge) during 2006–2022. We … Show more

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