Related by context. Frequent words. (Click for all words.) 64 aquatic ecosystems 63 aquatic habitats 62 aquatic ecosystem 62 freshwater ecosystems 62 seagrasses 62 biota 61 flora 60 ecologies 60 ecosystems 60 fauna 60 biodiversity 60 habitats 59 species 59 terrestrial ecosystems 59 forest ecosystems 59 flora fauna 59 habitat fragmentation 59 waterbirds 58 biodiversity hotspot 58 wetland habitats 58 habitat 58 avian species 57 coastal ecosystems 57 ecological 56 seagrass beds 56 inter tidal 56 marine ecosystems 56 grassland habitat 56 coral reef ecosystems 56 bio diversity 56 ecology 56 habitat degradation 55 lakeshores 55 aquatic habitat 55 marine ecosystem 55 Soil erosion 55 ocean ecosystems 55 planktonic 55 wildlife habitats 54 Invasive plants 54 riparian habitat 54 birdlife 54 freshwater mussels 54 fragile ecology 54 estuarine 54 tidal marshes 54 biosphere 53 fragile ecosystem 53 freshwater 53 aquatic species 53 wetland habitat 53 harmful algal blooms 53 species extinctions 53 waterbodies 53 wetlands 53 vegetation 53 overexploitation 53 intertidal zone 53 systematics 53 riparian 53 lowland forests 52 estuaries 52 conserve biodiversity 52 intertidal 52 dugongs 52 aquatic organisms 52 sedimentation 52 mangrove forests 52 salinity 52 coral reefs 52 wildlife habitat 52 mangroves 52 migratory species 52 bioaccumulation 52 biodiversity hotspots 52 marine biodiversity 52 biodiverse 52 Invasive species 52 mussel species 52 temperate forests 51 aquatic weeds 51 reefs 51 seabeds 51 biogeochemical 51 wildlife 51 benthic 51 wetland 51 watersheds 51 aquatic creatures 51 hydrological cycle 51 siltation 51 eel grass 51 toxic algae blooms 51 grassland birds 51 marine ecology 50 biodiversity conservation 50 tidal wetlands 50 red legged frogs 50 amphibian populations 50 transboundary 50 freshwater ponds