temperature, temporal variation, Spatial variation, water velocity
Environment, Vulnerability, general, Nature Conservation, Life Sciences, Rivers, Migration, Fish, Migrations, Zoology, Freshwater & Marine Ecology, Historical account, Surveys, Animal Systematics/Taxonomy/Biogeography, Sampling, Life history, Drift, Larvae, Spawning, Abundance, Downstream migration, Spawning grounds, Plecoglossus altivelis, Vietnam, Drifting...
Oceanography, Environmental monitoring, Geosciences, Coral reefs, Marine biology, Geochemistry, Mollusks, Heavy metals, Plant growth inhibiting substances