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CS 4: Hake and anchovy in the Bay of Biscay

Foto and Copyright©: Christian v. Dorrien, Rostock (Germany)

Objectives

The objective of the Bay of Biscay Case Study (BoB CS) is to apply our understanding of biological/ecological temporal and spatial changes, as well as the changes in the fisheries exploiting the stocks of overexploited populations in the area, in order to investigate the effects of those changes on the likely success of hake and anchovy recovery plans. In addition, the effect of different management strategies applied on recovery success will be investigated, such a specific recovery plans developed for the selected species will reflect realistic economic and social circumstances.

Hypotheses

In this case study, four major hypotheses will be investigated of the proposed project:

  1. Growth and reproductive potential and recruitment dynamics of the target species as well as trophic interactions change depending on fishery strategy and environmental conditions, which define carrying capacity and recovery potential of a stock.
  2. Spatial distribution of stock and of spawning stock of target species change in relation to abundance and demography and environmental factors in the long-term, which in turn affect recovery potential of a stock.
  3. Implications of hake recovery plans in anchovy population and fishery, and vice versa, to be considered in designing recovery plans: overlap of protected areas or seasons.
  4. The likely commitment of different stakeholders (fishing industry, fishing related industries, fishing community leaders and conservation interests) to different options of recovery plans to be considered in designing those recovery plans.

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Description of work

Background information to this case study area

List of references