CONSERVATION, Community, Knowledge, Ecology, Biological diversity, Endangered & extinct species, Ecosystems, Biology, Fishing, Taxonomy, Environmental Economics, Migration, Fisheries management, Ecosystem biology, Spawning, Commercial fishing, Ethnomedicine, Natural resources
Estuaries, Mesozooplankton, Bioaccumulation, Mercury, Contamination gradient, Food Chain, Environmental Monitoring, Animals, Mercury - analysis, Biodiversity, Water Pollutants, Chemical - analysis, Portugal, Zooplankton - classification, Zooplankton - growth & development