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Mathieu Colléter

Global change in the trophic functioning of marine food webs

The rapid development of fisheries in the 1950’s facilitated declines in predator biomass, overexploitation, collapse of fish stocks, and degradation of marine habitats. A new PLOS ONE paper investigates past changes in trophic functioning of marine ecosystems cause by human-induced changes in species assemblages by applying an ecosystem approach to fisheries.

Global Atlas of Marine Fisheries

For the past ten years, Sea Around Us has been constructing a more accurate view of world fishery catches, finding, among other things, that 30% of catch goes unreported. Now the work of 400 researchers from 273 countries, led by Daniel Pauly and Dirk Zeller, has been compiled in a comprehensive 520-page book called the Global Atlas of Marine Fisheries.

Biomass modeling and transfer efficiency: Mathieu Colléter completes fellowship

Biomass is the mass of organisms in an ecosystem or community; it is thought of in terms of energy for the next trophic level – the higher chain in the food web. For example, the biomass of plankton, which may be eaten by herring, which may be eaten by tuna. Mathieu Colléter recently completed his Nereus Program fellowship at UBC. The focus of his study was on ecosystem modeling and, more particularly, work on biomass estimates for the world ocean using ecosystem models.

7th World Fisheries Congress in Busan, Korea

The Nereus Program is participating in the 7th World Fisheries Congress in Busan, South Korea, including organizing the session “Future of marine fisheries under climate change: Exploring uncertainties, future scenarios…

Nereus members published on the Ecopath with Ecosim modeling approach

“Global overview of the applications of the Ecopath with Ecosim modeling approach using the EcoBase models repository” has been published in Ecological Modelling by Mathieu Colléter, Nereus Fellow (UBC), Audrey Valls, 2011-2014 Junior Research Fellow (UBC), and Daniel Pauly, Chair of the Nereus Steering Committee and a member of the Advisory Board.

13th Annual FishBase Symposium

Mathieu Colléter, Nereus Program Fellow (UBC), will attend the 13th annual FishBase Symposium hosted by the FishBase Information and Research Group, Inc. (FIN) in Los Baños, Philippines, as an invited…