@article{fdi:010057030, title = {{O}pen and closed seascapes : where does habitat patchiness create populations with high fractions of self-recruitment ?}, author = {{P}insky, {M}. {L}. and {P}alumbi, {S}. {R}. and {A}ndr{\'e}fou{\¨e}t, {S}erge and {P}urkis, {S}. {J}.}, editor = {}, language = {{ENG}}, abstract = {{W}hich populations are replenished primarily by immigrants (open) and which by local production (closed) remains an important question for management with implications for response to exploitation, protection, and disturbance. {H}owever, we lack methods for predicting population openness. {H}ere, we develop a model for openness and show that considering habitat isolation explains the existence of surprisingly closed populations in high-dispersal species, including many marine organisms. {R}elatively closed populations are expected when patch spacing is more than twice the standard deviation of a species' dispersal kernel. {I}n addition, natural scales of habitat patchiness on coral reefs are sufficient to create both largely open and largely closed populations. {C}ontrary to some previous interpretations, largely closed marine populations do not require mean dispersal distances that are unusually short, even for species with relatively long pelagic larval durations. {W}e predict that habitat patchiness has strong control over population openness for many marine and terrestrial species with a highly dispersive life stage and relatively sedentary adults. {T}his information can be used to make initial predictions about where populations will be more or less resilient to local exploitation and disturbance.}, keywords = {connectivity ; coral reef seascapes ; dispersal ; landscape ecology ; marine protected areas ; metapopulation ; population openness ; reef fishes}, booktitle = {}, journal = {{E}cological {A}pplications}, volume = {22}, numero = {4}, pages = {1257--1267}, ISSN = {1051-0761}, year = {2012}, DOI = {10.2307/23213959}, URL = {https://www.documentation.ird.fr/hor/fdi:010057030}, }