Related by context. Frequent words. (Click for all words.) 59 biota 56 phytoplankton blooms 56 terrestrial ecosystems 56 plankton blooms 55 upwellings 55 planktonic 55 ecologies 54 marine invertebrates 54 marine organisms 54 bioaccumulation 54 microbial pathogens 54 biogeochemical 54 aquatic ecosystems 53 species extinctions 53 aquatic invertebrates 53 faunal 53 amphipods 53 marine sediments 53 marine ecosystems 53 wetland ecosystems 53 biodiversity hotspot 53 ecosystems 53 biodiversity hotspots 53 soil salinity 53 freshwater ecosystems 53 endocrine disrupting 52 marine biodiversity 52 deltaic 52 inter tidal 52 aquatic habitats 52 harmful algal blooms 52 endocrine disruption 52 subtropical regions 52 deplete oxygen 51 gyres 51 coral formations 51 coral reefs 51 vertebrate animals 51 spatial scales 51 endocrine disrupting chemicals 51 otolith 51 meteorite impacts 51 hydrological cycle 51 coral reef ecosystems 51 fauna 50 microbial ecology 50 hydrologic cycle 50 seabeds 50 invertebrate species 50 reefs 50 seals sea lions 50 aquatic ecosystem 50 biodiverse 50 organisms 50 hydrothermal vent 50 river deltas 50 habitats 50 gastropods 49 underwater volcanoes 49 marine ecosystem 49 Coral reefs 49 Soil erosion 49 mud volcanoes 49 Sea otters 49 seaweeds 49 marine habitats 49 atmospheric pollutants 49 Scientists theorize 49 diatom 49 naturally occuring 49 temperate forests 49 intertidal 49 seagrasses 49 clathrates 49 Irrawaddy dolphins 49 biodiversity 49 temperature salinity 49 Cyanobacteria 49 toxic algae blooms 49 coastal ecosystems 49 ecological 49 ocean ecosystems 49 habitat fragmentation 49 harmful algae blooms 49 aquatic species 49 acidify 48 biogenic 48 microfossils 48 systematics 48 anoxia 48 Melting glaciers 48 species 48 larval stages 48 freshwaters 48 damselfish 48 functionally extinct 48 avian species 48 abiotic 48 erosional 48 naturally occurring substances 48 plesiosaurs