@article{fdi:010037662, title = {{D}iversity of coral reef fish assemblages : modelling of the species richness spectra from multi-scale environmental variables in the {T}uamotu {A}rchipelago ({F}rench {P}olynesia)}, author = {{M}ellin, {C}amille and {F}erraris, {J}ocelyne and {G}alzin, {R}. and {K}ulbicki, {M}ichel and {P}onton, {D}ominique}, editor = {}, language = {{ENG}}, abstract = {{T}en atolls of contrasting morphology and low human pressure were investigated in the {T}uamotu {A}rchipelago ({F}rench {P}olynesia) during the research program "{T}ypatoll". {T}his program produced large data sets about species richness of undisturbed fish assemblages and environmental data recorded at three spatial scales. {M}ultivariate analyses defined six groups of transects of similar multi-scale environmental characteristics. {S}moothed histograms (spectra) of species richness were plotted for each group of transect according to six size classes, six diet classes and six life-history classes of fish assemblages. {T}he shape of spectra among groups of transects was then modelled through a single equation, determined by goodness-of-fit techniques. {T}he height of each spectrum was then predicted by {G}eneral {L}inear {M}odel. {K}olmogorov-{S}mirnov tests showed no significant difference between predicted and observed distributions of species richness. {T}his two-phase model allowed predicting the diversity structure of undisturbed reef fish assemblages from few environmental data for the first time in the {P}acific region. {T}he resulting model will provide an efficient tool for detecting anthropogenic effects on the diversity of reef fish assemblages in atolls of the archipelago. {T}his modelling approach could be adapted to provide a tool for the evaluation of variables affecting diversity of coral reef fish assemblages whatever the habitat they live in, and more generally the diversity of any other highly diversified tropical communities. (c) 2006 {E}lsevier {B}.{V}. {A}ll rights reserved.}, keywords = {atoll ; distribution modelling ; fish habitat ; goodness of fit techniques ; multivariate statistical analysis ; species richness}, booktitle = {}, journal = {{E}cological {M}odelling}, volume = {198}, numero = {3-4}, pages = {409--425}, ISSN = {0304-3800}, year = {2006}, DOI = {10.1016/j.ecolmodel.2006.05.012}, URL = {https://www.documentation.ird.fr/hor/fdi:010037662}, }