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Dernière mise à jour : Mai 2018

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ESE - Ecology and Ecosystem Health

An observatory of amphihaline migratory fish at sea

ESEminar-Elliott-S_22-06-2021
Come to the ESEminar of Sophie Eliott, Post-doc of the EH team, which will focus on the study of the marine phases of amphihaline migratory fish. This ESEminar will be both face-to-face and distance learning (see information below).

This ESEminar will take place on Tuesday June 22, 2021, at 13H00, both in the Amphi Roux (building B15, Agrocampus Ouest) with a capacity limited to 25 people and also remotely via the usual link (BigBlueButton).

Access to the Roux amphitheatre is limited, so please register to attend the ESEminaire in person by following this link: https://mensuel.framapad.org/p/inscription-eseminaire-9nyf?lang=fr

Attention first come, first served, but do not hesitate to register !

For those who cannot attend, this presentation will be recorded and available by following the same link above (link available for 15 days).

Abstract:

Declines in diadromous fish occurred as a result of anthropogenic pressures during the late twentieth century. Many diadromous fish which were commercially important are now under the IUCN red list, and protected. The freshwater stages of most diadromous fish are well known. Little is known about their marine life history phases.

We collated a database of 168 904 hauls from both fisheries-dependent and fisheries-independent surveys from across North-western European waters. Hierarchical Bayesian (presence-absence) distribution models were applied, taking into account imperfect detection from the different gear types and spatial autocorrelation. These models will be used and compared against other SDM techniques to predict diadromous fish distribution within Marine Protected Areas.