@article{fdi:010076517, title = {{S}patiotemporal variability in {T}erminos {L}agoon ({M}exico) waters during the 2009-2010 drought reveals upcoming trophic status shift in response to climate change}, author = {{F}ichez, {R}enaud and {L}inares, {C}. and {C}hifflet, {S}andrine and {C}onan, {P}. and {E}sparza, {A}. {C}. {R}. and {D}enis, {L}. and {D}ouillet, {P}ascal and {G}renz, {C}. and {G}higlione, {J}. {F}. and {M}endieta, {F}. {G}. and {O}rigel-{M}oreno, {M}. and {C}aravaca, {A}. {M}. and {P}ujo-{P}ay, {M}. and {Z}avala-{H}idalgo, {J}.}, editor = {}, language = {{ENG}}, abstract = {{T}he 2009-2010 {E}l {N}ino was accompanied by a severe drought strongly impacting {M}exico as well as {C}entral {A}merica, the {C}aribbean, and the southern {USA}. {T}he present work aims at assessing how such a major climatic event impacted the hydrological typology of transitional waters in {T}erminos {L}agoon, one of the largest shallow tropical lagoons fringing the {G}ulf of {M}exico. {S}patiotemporal inter-comparison of hydrological conditions was conducted by pairing a reference multiparametric dataset (14 hydrological parameters versus 34 sampling stations) averaged over the {O}ctober 2008 to {J}uly 2010 period with each sampling occurrence dataset and running {P}rincipal {C}omponent {A}nalyses ({PCA}), setting the reference-survey dataset as active variables and each sampling occurrence dataset as non-active (supplementary) variables. {I}t revealed that the exceptional deficit in freshwater supply to the lagoon during the 2009-2010 {E}l {N}ino drastically reduced hydrological diversity and lowered the trophic status of the lagoon. {S}hort-term shifts in environmental status are common in transitional waters and responsible for temporary shifts in community structure but climate change projections show a significant long-term decrease in the freshwater discharge at the regional scale that will impact {T}erminos {L}agoon as well as other coastal lagoons of {M}exico and {C}entral {A}merica. {W}hen combined with sea level rise, such a decrease will result in a long-term shift in hydrological conditions with a subsequent increase in salinity and a decrease in the diversity of environmental conditions affecting trophic status, will have a long-term impact on the biota.}, keywords = {{C}oastal lagoon ; {H}ydrology ; {T}rophic status ; {E}l {N}ino ; {G}lobal change ; {C}limate change ; {M}exico ; {MEXIQUE} ; {MEXIQUE} {GOLFE} ; {TERMINOS} {LAGON}}, booktitle = {}, journal = {{R}egional {E}nvironmental {C}hange}, volume = {19}, numero = {6}, pages = {1787--1799}, ISSN = {1436-3798}, year = {2019}, DOI = {10.1007/s10113-019-01519-2}, URL = {https://www.documentation.ird.fr/hor/fdi:010076517}, }