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Inaugural Meeting
CLIOTOP Working Group 5

Socioeconomic Aspects and Management Strategies
December 1-3 2004
East-West Center, University of Hawaii

This Working Group is part of a new international scientific effort organized as the CLIOTOP (CLimate Impacts on Oceanic TOP Predators) program. CLIOTOP is a GLOBEC regional program which will address open ocean ecosystem dynamics, the influence of climate on the dynamics of top predator populations – including tuna and billfish, and the socioeconomic aspects of climate-related stock dynamics.

The general objective of CLIOTOP is to organize a large-scale worldwide comparative effort aimed at identifying 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 by elucidating the key processes involved in open ocean ecosystem functioning. 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. This integrated scientific research program is organized into five working groups: 1) Early Life History; 2) Physiology, Behaviour and Distribution; 3) Trophic Pathways in Open Ocean Ecosystems; 4) Synthesis and Modeling; 5) Socioeconomic Aspects and management strategies. Working Groups 2, 4 and 5 held a joint meeting in Honolulu , December 1-3, 2004 .

The goals of Working Group 5 are to improve understanding of:

  • the factors that drive human impacts on top predator species;
  • the efforts to manage those human impacts through local, national, regional, and international scientific and regulatory efforts; and
  • the impacts and implications of these scientific and regulatory efforts, together with changes in stocks and catch of top predator species on those communities dependent on them.

Working Group 5 currently proposes two interrelated research foci:

  1. the evolution of harvesting efforts as affected by climate-driven variability in stock productivity and distribution; and
  2. the interplay between resource changes (driven by both harvesting and natural variability) and the development and functioning of international fishery management organizations.

Regarding development of this nascent collaborative research effort, participants in the inaugural Working Group meeting agreed on the need to pursue the following next steps:

  1. Develop an inventory of relevant ongoing and planned research efforts.
  2. Develop an extensive and broadly-based bibliography of relevant literature.
  3. Conduct a gap analysis of existing and needed work to identify opportunities to fill in missing information.

Please see for more information, or contact Working Group 5 co-chairs Kathleen Miller (ISSE) ( and Rémi Mongruel (Ifremer , France) (


This material is based upon work supported by the National Science Foundation under Grant No. 0323134.


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