@article{fdi:010090948,
  title = {{C}limate change impacts on small pelagic fish distribution in {N}orthwest {A}frica : trends, shifts, and risk for food security},
  author = {{S}arre, {A}. and {D}emarcq, {H}erv{\'e} and {K}eenlyside, {N}. and {K}rakstad, {J}.{O}. and {E}l {A}youbi, {S}. and {J}eyid, {A}.{M}. and {F}aye, {S}. and {M}baye, {A}. and {S}idibeh, {M}. and {B}rehmer, {P}atrice},
  editor = {},
  language = {{ENG}},
  abstract = {{C}limate change is recognised to lead to spatial shifts in the distribution of small pelagic fish, likely by altering their environmental optima. {F}ish supply along the {N}orthwest {A}frican coast is significant at both socio-economic and cultural levels. {E}valuating the impacts of climatic change on small pelagic fish is a challenge and of serious concern in the context of shared stock management. {E}valuating the impact of climate change on the distribution of small pelagic fish, a trend analysis was conducted using data from 2363 trawl samplings and 170,000 km of acoustics sea surveys. {S}trong warming is reported across the {S}outhern {C}anary {C}urrent {L}arge {M}arine {E}cosystem ({CCLME}), extending from {M}orocco to {S}enegal. {O}ver 34 years, several trends emerged, with the southern {CCLME} experiencing increases in both wind speed and upwelling intensity, particularly where the coastal upwelling was already the strongest. {D}espite upwelling-induced cooling mechanisms, sea surface temperature ({SST}) increased in most areas, indicating the complex interplay of climatic-related stressors in shaping the marine ecosystem. {C}oncomitant northward shifts in the distribution of small pelagic species were attributed to long-term warming trends in {SST} and a decrease in marine productivity in the south. {T}he abundance of {S}ardinella aurita, the most abundant species along the coast, has increased in the subtropics and fallen in the intertropical region. {S}patial shifts in biomass were observed for other exploited small pelagic species, similar to those recorded for surface isotherms. {A}n intensification in upwelling intensity within the northern and central regions of the system is documented without a change in marine primary productivity. {I}n contrast, upwelling intensity is stable in the southern region, while there is a decline in primary productivity. {T}hese environmental differences affected several small pelagic species across national boundaries. {T}his adds a new threat to these recently overexploited fish stocks, making sustainable management more difficult. {S}uch changes must motivate common regional policy considerations for food security and sovereignty in all {W}est {A}frican countries sharing the same stocks.},
  keywords = {{MAROC} ; {MAURITANIE} ; {SENEGAL} ; {GUINEE} ; {ATLANTIQUE} ; {CAP} {BOUJDOUR} ; {CAP} {BLANC}},
  booktitle = {},
  journal = {{S}cientific {R}eports},
  volume = {14},
  numero = {1},
  pages = {12684 [15 ]},
  ISSN = {2045-2322},
  year = {2024},
  DOI = {10.1038/s41598-024-61734-8},
  URL = {https://www.documentation.ird.fr/hor/fdi:010090948},
}