Related by context. Frequent words. (Click for all words.) 43 ecosystems 41 biosphere 41 ecosystem 41 aquatic creatures 38 biota 38 species 37 sealife 37 forest ecosystems 36 rainforest 36 rainforests 36 diatoms 36 flora 35 biodiversity 35 habitats 35 forests 35 aquatic ecosystems 35 coral reefs 35 habitat 34 riparian habitat 34 boreal 34 watersheds 34 wetland habitat 34 ocean ecosystems 34 marine ecosystems 34 biodiverse 34 ecological 34 grasslands 33 plankton 33 humankind 33 fauna 33 wetlands 33 coastal ecosystems 33 wildlife habitat 32 wildlife habitats 32 marine habitats 32 spawning habitat 32 irrigated agriculture 32 ecologically 32 oceans 32 vegetation 32 freshwater 32 bee populations 32 mangrove forests 31 wetland 31 Ecosystem 31 invertebrates 31 seagrass beds 31 coastal wetlands 31 mankind 31 mangrove forest 31 Invasive species 31 tropical forest 31 zooplankton 31 Coral reefs 31 storehouse 31 fragile ecosystem 31 boreal forest 31 marine ecosystem 31 wasteland 31 wetland restoration 30 salt marsh 30 nesting habitat 30 bio diversity 30 cornucopia 30 phytoplankton 29 treasures 29 aquatic species 29 salmon fishery 29 vast array 29 landscape 29 biologically diverse 28 caches 28 river basin 28 ecology 28 habitat restoration 28 Ecosystems 28 eelgrass 28 aquatic habitat 28 fragile ecosystems 28 reefs 28 estuary 27 estuaries 27 cache 27 Overfishing 27 resource 27 nutrient pollution 27 treasure trove 27 invasive species 27 compendium 27 trove 27 aquatic vegetation 27 artefact 26 inexhaustible 26 Watersheds 26 oyster reefs 26 wildlife 26 salt marshes 26 abundant 26 lobster fishery 26 repositories 26 wellspring