@article{fdi:010088103, title = {{T}he distribution of coastal fish e{DNA} sequences in the {A}nthropocene}, author = {{M}athon, {L}. and {M}arques, {V}. and {M}anel, {S}. and {A}lbouy, {C}. and {A}ndrello, {M}. and {B}oulanger, {E}. and {D}eter, {J}. and {H}ocd{\'e}, {R}{\'e}gis and {L}eprieur, {F}. and {L}etessier, {T}. {B}. and {L}oiseau, {N}. and {M}aire, {E}. and {V}alentini, {A}. and {V}igliola, {L}aurent and {B}aletaud, {F}. and {B}essudo, {S}. and {D}ejean, {T}. and {F}aure, {N}. and {G}uerin, {P}. {E}. and {J}ucker, {M}. and {J}uhel, {J}. {B}. and {K}adarusman, and {P}olanco, {F}. {A}. and {P}ouyaud, {L}aurent and {S}chworer, {D}. and {T}hompson, {K}. {F}. and {T}roussellier, {M}. and {S}ugeha, {H}. {Y}. and {V}elez, {L}. and {Z}hang, {X}. {W}. and {Z}hong, {W}. {J}. and {P}ellissier, {L}. and {M}ouillot, {D}.}, editor = {}, language = {{ENG}}, abstract = {{A}im: {C}oastal fishes have a fundamental role in marine ecosystem functioning and contributions to people, but face increasing threats due to climate change, habitat degradation and overexploitation. {T}he extent to which human pressures are impacting coastal fish biodiversity in comparison with geographic and environmental factors at large spatial scale is still under scrutiny. {H}ere, we took advantage of environmental {DNA} (e{DNA}) metabarcoding to investigate the relationship between fish biodiversity, including taxonomic and genetic components, and environmental but also socio-economic factors. {L}ocation: {T}ropical, temperate and polar coastal areas. {T}ime period: {P}resent day. {M}ajor taxa studied: {M}arine fishes. {M}ethods: {W}e analysed fish e{DNA} in 263 stations (samples) in 68 sites distributed across polar, temperate and tropical regions. {W}e modelled the effect of environmental, geographic and socio-economic factors on alpha-and beta-diversity. {W}e then computed the partial effect of each factor on several fish biodiversity components using taxonomic molecular units ({MOTU}) and genetic sequences. {W}e also investigated the relationship between fish genetic alpha-and beta-diversity measured from our barcodes, and phylogenetic but also functional diversity. {R}esults: {W}e show that fish e{DNA} {MOTU} and sequence alpha-and beta-diversity have the strongest correlation with environmental factors on coastal ecosystems worldwide. {H}owever, our models also reveal a negative correlation between biodiversity and human dependence on marine ecosystems. {I}n areas with high dependence, diversity of all fish, cryptobenthic fish and large fish {MOTU}s declined steeply. {F}inally, we show that a sequence diversity index, accounting for genetic distance between pairs of {MOTU}s, within and between communities, is a reliable proxy of phylogenetic and functional diversity. {M}ain conclusions: {T}ogether, our results demonstrate that short e{DNA} sequences can be used to assess climate and direct human impacts on marine biodiversity at large scale in the {A}nthropocene and can further be extended to investigate biodiversity in its phylogenetic and functional dimensions.}, keywords = {coastal fish communities ; environmental {DNA} ; environmental factors ; socio-economic factors ; alpha- and beta-diversity}, booktitle = {}, journal = {{G}lobal {E}cology and {B}iogeography}, volume = {[{E}arly access]}, numero = {}, pages = {[17 ]}, ISSN = {1466-822{X}}, year = {2023}, DOI = {10.1111/geb.13698}, URL = {https://www.documentation.ird.fr/hor/fdi:010088103}, }