Related by context. Frequent words. (Click for all words.) 60 ecosystem 55 ecosystems 53 ecologies 52 ecosphere 51 aquatic habitats 49 aquatic ecosystem 49 ecological 48 wetland ecosystems 47 biosphere 47 habitat 47 biotic 47 freshwater ecosystems 47 habitats 47 habitat fragmentation 46 species 46 fragile ecology 45 marine ecosystem 45 Carbon sequestration 45 marine ecosystems 45 biota 45 keystone species 45 terrestrial ecosystems 44 species extinctions 44 lifeforms 44 ecological degradation 44 gut flora 44 hydrological cycle 44 seabeds 44 fragile ecosystems 44 aquatic ecosystems 44 seagrass beds 43 seagrasses 43 aquatic habitat 43 microbiome 43 wildlife habitats 43 ecology 43 wetland habitats 43 grassland habitat 43 endocrine disruption 43 biodiversity 42 bio diversity 42 coral reef ecosystems 42 ocean ecosystems 42 coastal ecosystems 42 marine invertebrates 42 biodiversity hotspot 42 inter tidal 42 microscopic algae 42 forest ecosystems 42 organism 41 vertebrate animals 41 wetland habitat 41 faunal 41 freshwater marshes 41 Ecosystem 41 Ecologically 41 eel grass 41 sealife 41 Invasive plants 41 fragile ecosystem 41 spawning habitat 41 headwater streams 41 intertidal 41 diatoms 41 pollinating insects 41 single celled organism 41 groundwater aquifers 41 biogeochemical 40 flora 40 geoid 40 marine organisms 40 Cyanobacteria 40 Everglades ecosystem 40 panther habitat 40 wildlife habitat 40 nesting habitat 40 benthic 40 monocultures 40 aquifer recharge 40 environmental degradation 40 invertebrate species 40 riparian habitat 40 arthropod 40 organisms 40 biome 40 humans 39 red legged frogs 39 microflora 39 mussel species 39 tidal wetlands 39 biopiracy 39 intertidal zone 39 bioaccumulation 39 corals 39 phytoplankton blooms 39 lowland forests 39 avian species 39 prokaryotes 39 permafrost 39 monoculture 39 Soil erosion