@article{fdi:010062058, title = {{E}stimates of species extinctions from species-area relationships strongly depend on ecological context}, author = {{M}atias, {M}. {G}. and {G}ravel, {D}. and {G}uilhaumon, {F}ran{\c{c}}ois and {D}esjardins-{P}roulx, {P}. and {L}oreau, {M}. and {M}unkemuller, {T}. and {M}ouquet, {N}.}, editor = {}, language = {{ENG}}, abstract = {{S}pecies-area ({SAR}) and endemics-area ({EAR}) relationships are amongst the most common methods used to forecast species loss resulting from habitat loss. {O}ne critical, albeit often ignored, limitation of these area-based estimates is their disregard of the ecological context that shapes species distributions. {I}n this study, we estimate species loss using a spatially explicit mechanistic simulation model to evaluate three important aspects of ecological context: coexistence mechanisms (e.g. species sorting, competition-colonization tradeoffs and neutral dynamics), spatial distribution of environmental conditions, and spatial pattern of habitat loss. {W}e found that 1) area-based estimates of extinctions are sensitive to coexistence mechanisms as well as to the pattern of environmental heterogeneity; 2) there is a strong interaction between coexistence mechanisms and the pattern of habitat loss; 3) {SAR}s always yield higher estimates of species loss than do {EAR}s; and 4) {SAR}s and {EAR}s consistently underestimate the realized species loss. {O}ur results highlight the need to integrate ecological mechanisms in area-estimates of species loss.}, keywords = {}, booktitle = {}, journal = {{E}cography}, volume = {37}, numero = {5}, pages = {431--442}, ISSN = {0906-7590}, year = {2014}, DOI = {10.1111/j.1600-0587.2013.00448.x}, URL = {https://www.documentation.ird.fr/hor/fdi:010062058}, }