@article{fdi:010090246, title = {{C}oral reef fish communities of natural habitats and man-made coastal structures in {B}ora-{B}ora ({F}rench {P}olynesia)}, author = {{G}airin, {E}. and {M}inier, {L}. and {C}laverie, {T}. and {D}romard, {C}. {R}. and {M}aueau, {T}. and {C}ollin, {A}. and {F}r{\'e}d{\'e}rich, {B}. and {B}ertucci, {F}r{\'e}d{\'e}ric and {L}ecchini, {D}.}, editor = {}, language = {{ENG}}, abstract = {{C}oastal habitats have long been recognised to be nurseries and growing grounds for many marine organisms. {W}orldwide, coastal hardening and urbanisation are leading to the removal of natural ecosystems. {T}he tropical island of {B}ora-{B}ora in the {S}outh {P}acific has undergone extensive coastal changes, with the construction of seawalls along more than half of its coastline since the 1950s. {T}he daytime and night-time juvenile and adult fish communities were surveyed with multiple temporal replicates on a range of lagoon and coastal habitats on {B}ora-{B}ora. {O}ver 47% of all fish on coastal habitats were juveniles. {M}angroves, traditionally viewed as nurseries, had a high daytime and night-time abundance of juveniles, but less than 1% of the coastline of {B}ora-{B}ora consists of mangroves. {T}he manmade seawalls, which are the most common type of coastal habitat on the island, were associated with lower juvenile densities during the day and promoted the presence of predators. {T}he comparison of coastal and lagoon sites also highlighted contrasting life history strategies depending on coral reef fish species: although many favour coastal habitats as juveniles, others do not undergo ontogenetic shifts and thus other habitats must be considered when designing management plans to protect juvenile fish. {O}verall, our surveys show the importance of natural coastal zones in the lifecycle of numerous coral reef fish species in the lagoon of {B}ora-{B}ora and highlight the potential long-term impacts of coastal hardening on fish communities.}, keywords = {{U}rbanisation ; coastal habitats ; coral reef ; fishes ; coastal management ; {POLYNESIE} {FRANCAISE} ; {BORA} {BORA} ; {PACIFIQUE}}, booktitle = {}, journal = {{B}elgian {J}ournal of {Z}oology}, volume = {153}, numero = {}, pages = {47--80 [34 ]}, ISSN = {0777-6276}, year = {2023}, DOI = {10.26496/bjz.2023.109}, URL = {https://www.documentation.ird.fr/hor/fdi:010090246}, }