@article{fdi:010049713, title = {{S}imulation of the combined effects of artisanal and recreational fisheries on a {M}editerranean {MPA} ecosystem using a trophic model}, author = {{A}lbouy, {C}amille and {M}ouillot, {D}. and {R}ocklin, {D}. and {C}ulioli, {J}. {M}. and {L}e {L}oc'h, {F}rancois}, editor = {}, language = {{ENG}}, abstract = {{M}arine protected areas ({MPA}s) have the potential to enhance the long-term sustainability of coastal resources, and the artisanal fisheries which depend on them. {H}owever, recreational fisheries, which are increasing their impacts on coastal resources worldwide, may reduce the benefits that {MPA}s provide to declining artisanal fisheries. {H}ere we used the {B}onifacio {S}traits {N}atural {R}eserve ({BSNR}) {C}orsica as a study case to simulate the combined effects on coastal resources of artisanal and recreational fishing efforts. {T}he {BSNR} ecosystem was modelled using mass-balance modelling of trophic interactions. {T}his model was compared to another built on a non-protected area from the same region. {W}e aggregated fishing fleets into artisanal and recreational categories, and we simulated various combinations of fishing effort over a 20 yr dynamic simulation using {E}cosim. {W}e showed that fishing activities have an additional top-down effect on the food web and that they decrease the targeted group's biomass, such as piscivorous species. {W}e found, for some trophic groups, non-trivial patterns of biomass variation through trophic cascades. {O}ur trophic approach revealed that some groups may suffer a biomass decrease when {MPA}s are set or enforced, due to the combined effect of artisanal and recreational fisheries. {O}verall, our results illustrate the value of modelling to manage {MPA}s, as a complementary tool to surveys. {M}odels provide the opportunity to anticipate the potential consequences, at the ecosystem level, of socio-political decisions that aim to sustain coastal resources while managing artisanal and recreational fisheries.}, keywords = {{E}copath with {E}cosim ; {E}pinephelus marginatus ; {MPA} ; {T}rophic cascades ; {A}rtisanal fisheries ; {R}ecreational activities ; {M}editerranean {S}ea}, booktitle = {}, journal = {{M}arine {E}cology - {P}rogress {S}eries}, volume = {412}, numero = {}, pages = {207--221}, ISSN = {0171-8630}, year = {2010}, DOI = {10.3354/meps08679}, URL = {https://www.documentation.ird.fr/hor/fdi:010049713}, }