@article{fdi:010049422, title = {{A}n overview of {APECOSM}, a spatialized mass balanced "{A}pex {P}redators {ECOS}ystem {M}odel" to study physiologically structured tuna population dynamics in their ecosystem}, author = {{M}aury, {O}livier}, editor = {}, language = {{ENG}}, abstract = {{T}his paper gives an overview of the ecosystem model {APECOSM} ({A}pex {P}redators {ECOS}ystem {M}odel) which is developed in the framework of the {GLOBEC}-{CLIOTOP} {P}rogramme. {APECOSM} represents the flow of energy through the ecosystem with a size-resolved structure in both space and time. {T}he uptake and use of energy for growth, maintenance and reproduction by the organisms are modelled according to the {DEB} (dynamic energy budget) theory ({K}ooijmann, 2000) and the size-structured nature of predation is explicit. {T}he pelagic community is divided into epipelagic and mesopelagic groups, the latter being subdivided into vertically migrant and non-migrant species. {T}he model is mass-conservative. {E}nergy is provided as the basis of the model through primary production and transferred through 3{D} spatially explicit size-spectra. {F}ocus species (tunas at present, but any predator species can be considered) are "extracted" from the global size-spectra without losing mass balance and represented with more physiological and behavioural details. {T}he forcing effects of temperature, currents, light, oxygen, primary production and fishing are explicitly taken into account.}, keywords = {}, booktitle = {}, journal = {{P}rogress in {O}ceanography}, volume = {84}, numero = {1-2}, pages = {113--117}, ISSN = {0079-6611}, year = {2010}, DOI = {10.1016/j.pocean.2009.09.013}, URL = {https://www.documentation.ird.fr/hor/fdi:010049422}, }