Impact details: changes in fish populations

impact chain for tropical coastal areas / sea-level rise (click nodes to view details):
selected case study results:
Case study reference
Spatial context
Impact description (case study)
Case study recommendations
Martínez Arroyo, A., Manzanilla Naim, S., & Zavala Hidalgo, J. (2011). Vulnerability to climate change of marine and coastal fisheries in México. Atmósfera, 24(1), 103-123. Central America / Caribbean: Mexico SLR will result in changes in tidal patterns and increased turbidity and salinity. It will lead to the modification of specific habitats which can determine the distribution and abundance of fish catch. For example, the estuary species with less tolerance to salinity changes will be significantly affected by SLR, which in turn will influence commercial fish reproduction, migration and survival. It is necessary to monitor the health of ecosystems, identifying key commercial species which may be indicators of impacts, as well as analysing their populations to redefine fishery management at the levels of target species and total catch. Implementing, coordinating, and/or strengthening permanent monitoring networks of oceanographic, environmental and biological variables is needed to allow the measurement of deviations to the general patters in the coastal and marine environments. Adaptation measures should take into consideration the fisheries' multi-species characteristics and their different biological and socioeconomic stressors associated with physical impacts on the natural environment.

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