@inproceedings{fdi:010078274, title = {{S}patial environmental trends in the three {A}tlantic {A}frican {L}arge {M}arine ecosystems in a context of global warming [r{\'e}sum{\'e} de poster]}, author = {{D}emarcq, {H}erv{\'e} and {S}arr{\'e}, {A}. and {K}ouassi, {A}.{M}. and {U}anivi, {U}. and {J}eyid, {M}.{A}. and {E}l {A}youbi, {S}. and {B}amy, {I}.{L}. and {B}rehmer, {P}atrice}, editor = {}, language = {{ENG}}, abstract = {{I}n {A}tlantic {A}frica there is a crucial need to better assess the effect of climate change on marine ecosystems, particularly over the continental shelf and inside the national exclusive economic zones. {N}evertheless there is a lack of observation carried out in the {A}frican ecosystems and the times series are often short or disrupted. {S}pace-based observations allow precise synoptic observation of marine ecosystem and is often use to monitor, e.g., {E}astern boundary upwelling ecosystems, from 36 years of constant monitoring from some major parameters as {S}ea {S}urface {T}emperature and more than twenty years for {O}cean-{C}olour related parameters as surface primary productivity. {T}he spatially heterogeneous trends observed show that these systems are highly variable, at temporal scales decades) that potentially impact some of their marine resources at rates that compete with the decline of human activities, beyond over-fishing. {I}n this work we will present the effect of global warming at regional level for the three large marine ecosystems of {A}tlantic {A}frica on the sea surface temperature, wind stress and chlorophyll concentration as a proxy of primary production. {T}he {C}anary and the {B}enguela systems are particularly impacted by the global warming, especially in their tropical parts, while {P}acific systems show a more stable trend, due to their constantly high activity that partly counteracts some effects of the global warming.}, keywords = {{AFRIQUE} {DE} {L}'{OUEST} ; {ATLANTIQUE}}, numero = {}, pages = {142}, booktitle = {{I}nternational conference {ICAWA} 2017 and 2018 : extended book of abstract : the {AWA} project : ecosystem approach to the management of fisheries and the marine environment in {W}est {A}frican waters}, year = {2019}, ISBN = {978-9553602-0-06}, URL = {https://www.documentation.ird.fr/hor/fdi:010078274}, }