@article{fdi:010068096, title = {{D}rivers of density for the exploited giant clam {T}ridacna maxima : a meta-analysis}, author = {{V}an {W}ynsberge, {S}. and {A}ndr{\'e}fou{\¨e}t, {S}erge and {G}aertner-{M}azouni, {N}abila and {W}abnitz, {C}. {C}. {C}. and {G}ilbert, {A}. and {R}emoissenet, {G}. and {P}ayri, {C}laude and {F}auvelot, {C}{\'e}cile}, editor = {}, language = {{ENG}}, abstract = {{G}iant clam populations have been over-exploited throughout their range over the past decades for their meat and shells. {T}ridacna maxima, commonly known as the small giant clam', has remained relatively untargeted by fishers in areas where larger species occur (e.g. {T}ridacna squamosa), and high densities of the species are still observed on some isolated and enclosed reefs of the {C}entral {P}acific. {H}owever, it is unclear whether reported discrepancies in densities worldwide reflect differences in fishing pressure only or a combination of differences in exploitation levels and environmental forcing. {W}e reviewed {T}.maxima surveys throughout its range to (i) identify patterns of density at global scale, site scale (e.g. island) and intrasite scale; (ii) discuss the influence of sampling method on density estimates; and (iii) identify the primary drivers of giant clam density along gradients of human pressure and natural forcing. {W}e found 59 studies that reported density estimates for 172 sites across 26 countries in the {I}ndo-{P}acific and {R}ed {S}ea. {A}t intrasite scale, densities were strongly dependent on sampling protocols and surveyed habitats. {A}t site scale, we found close links between {T}.maxima density and human population per reef area, suggesting that isolated reefs where exploitation only recently started may be more vulnerable to stock collapse in the future. {D}ensity patterns were also found to vary significantly depending on reef type (e.g. atoll, island, continental coastline). {W}e discuss how natural processes and fishing pressure may control population dynamics and densities among sites, and make recommendations for future research.}, keywords = {{A}toll ; fishery management ; giant clam population dynamics ; overfishing ; tridacninae ; {OCEAN} {INDIEN} ; {PACIFIQUE} ; {MER} {ROUGE}}, booktitle = {}, journal = {{F}ish and {F}isheries}, volume = {17}, numero = {3}, pages = {567--584}, ISSN = {1467-2960}, year = {2016}, DOI = {10.1111/faf.12127}, URL = {https://www.documentation.ird.fr/hor/fdi:010068096}, }