Related by context. Frequent words. (Click for all words.) 61 fragile ecosystems 59 marine ecosystem 58 ecosystems 58 wildlife habitats 57 coastal ecosystems 57 ecological 57 ecosystem 55 wetlands 55 ecology 55 ecologically sensitive 54 habitats 53 habitat 53 bio diversity 53 marine ecosystems 52 biodiversity 52 estuary 52 fauna 49 wildlife 49 estuaries 48 coastal wetlands 48 wildlife habitat 48 mangrove forest 48 ecologically 48 coral reefs 48 environmentally sensitive 47 flora 47 freshwater 47 watersheds 46 headwaters 46 waterways 46 biosphere 46 salt marshes 45 World Heritage Site 45 marine biodiversity 45 mangrove forests 45 ecotourism 45 birdlife 45 environmental degradation 45 wetland 45 shorelines 45 conservationists 45 rainforest 44 reefs 44 Heritage Site 44 endangered species 44 bird sanctuary 44 invasive species 43 mangroves 43 coastlines 43 overdevelopment 43 wildlife sanctuary 43 Amazon rainforest 43 wildlife refuge 43 imperiled species 43 Wetlands 43 siltation 43 marsh 43 soil erosion 42 salmon fishery 42 marshland 42 coastal marshes 42 eco tourism 42 coastline 42 environmental 42 silting 42 waterway 42 rainforests 42 shoreline 42 archeological sites 41 cultural heritage 41 scenic beauty 41 sediment 41 migratory birds 41 livelihoods 41 boreal forest 41 coastal 41 urban sprawl 41 marine mammals 41 groundwater 41 river basin 41 scenic vistas 41 grasslands 41 nesting birds 40 aquifer 40 archaeological sites 40 wildlife sanctuaries 40 Coral Triangle 40 species 40 conservancy 40 tropical forest 40 Environmentalists 40 forests 40 aquatic species 40 salt marsh 40 environmental impacts 40 coastal erosion 40 pristine 40 freshwater lake 40 endangered 40 aquifers 40 wildlife refuges