@article{fdi:010069475, title = {{G}lobal climate change and local watershed management as potential drivers of salinity variation in a tropical coastal lagoon ({L}aguna de {T}erminos, {M}exico)}, author = {{F}ichez, {R}enaud and {A}rchundia, {D}. and {G}renz, {C}. and {D}ouillet, {P}ascal and {M}endieta, {F}. {G}. and {M}oreno, {M}. {O}. and {D}enis, {L}. and {E}sparza, {A}. {C}. {R}. and {Z}avala-{H}idalgo, {J}.}, editor = {}, language = {{ENG}}, abstract = {{T}he wide range of ecological goods and services provided by tropical coastal lagoons and wetlands are under considerable pressure due to the synergistic effects of local anthropogenic impact and global climate change. {I}n transitional waters, salinity is a key driver of ecological processes mostly depending on the balance between marine and river inputs, a balance that can be significantly modified by climate change and by anthropogenic alteration of the watershed. {M}esoamerica being considered as a climate change hot-spot and as an ecoregion strongly vulnerable to global change, our study aimed at analyzing the relationship between salinity, river runoff, and rainfall variability in a tropical coastal lagoon and to assess the respective influence of climate change and watershed management. {T}he study focusing on the large and shallow coastal lagoon of {L}aguna de {T}erminos in south eastern {M}exico established: (1) the variability in salinity distribution along the yearly cycle and the occurrence of a high salinity anomaly period during the wet season of 2009; (2) the relationship between lagoon waters salinity and river inputs further underlying the anomalous situation encountered in 2009; (3) a long term increase in river discharge during the past 60 years, indicating potential salinity decrease in the lagoon during that same period; (4) an absence of any change in rainfall linking the increase in runoff to watershed management rather than long term trend in climate change. {A}dditionally, the specific context of the 2009-2010 {C}entral-{E}quatorial {P}acific {E}l {N}io is underlined and the potential relationship between river discharge and {ENSO} is discussed. {T}hose results should be of significant practical value to decision-makers who are often keen to point the finger at global climate change when local environmental management is also and sometime most significantly responsible.}, keywords = {{T}ropical ; {C}oastal ; {L}agoon ; {W}atershed ; {S}alinity ; {C}limate change ; {ENSO} ; {R}iver discharge ; {L}and use ; {E}nvironmental management ; {S}ustainable development ; {M}exico ; {M}esoamerica ; {T}erminos ; {MEXIQUE} ; {ZONE} {TROPICALE}}, booktitle = {}, journal = {{A}quatic {S}ciences}, volume = {79}, numero = {2}, pages = {219--230}, ISSN = {1015-1621}, year = {2017}, DOI = {10.1007/s00027-016-0492-1}, URL = {https://www.documentation.ird.fr/hor/fdi:010069475}, }