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CLimate Impacts on Oceanic TOp Predators

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The general objective of CLIOTOP is to organise a large-scale worldwide comparative effort aimed at elucidating the key processes involved in the impact of both climate variability (at various scales) and fishing on the structure and function of open ocean pelagic ecosystems and their top predator species. The ultimate objective is the development of a reliable predictive capability for the dynamics of top predator populations and oceanic ecosystems that combines both fishing and climate (i.e. environmental) effects.

CLIOTOP is based on the interactive activities of the 6 Working Groups.

While the first 5 years of CLIOTOP (in GLOBEC), were focusing on the identification and modelling of the processes driving oceanic ecosystems and their top predators, the second 5 year phase (in IMBER) puts more emphasis on developing scenarios of the evolution of oceanic ecosystems under anthropogenic and natural forcings in the XXIst century, in support of international oceanic ecosystem governance.

In this perspective, the development of specific scientific products to help the implementation of an ecosystem approach to oceanic fisheries and the conservation of emblematic top predator species at the global scale is a priority. This includes the development of:

  • the CLIOTOP-MDST (Model and Data Sharing Tool gathering global data sets of different type and model outputs at the global scale);
  • the CLIOTOP-ESM (Earth System Modelling framework coupling models from physics to fish to markets);
  • the CLIOTOP-SEE (Scenarios of Ecosystem Evolution from short- to long-term including food security issues associated to oceanic fisheries and conservation of charismatic top predator species);
  • the CLIOTOP-SIP (Synthetic Indicator Panel integrating data and model outputs for an ecosystem approach to oceanic fisheries in a climate change perspective).
CLIOTOP Working groups