Related by context. Frequent words. (Click for all words.) 63 wetland habitats 62 ecosystems 62 wildlife habitats 60 aquatic habitats 59 aquatic ecosystem 59 coastal ecosystems 58 forest ecosystems 58 freshwater ecosystems 57 conserve biodiversity 57 habitats 57 biodiversity 57 wildlife habitat 56 aquatic habitat 55 fragile ecology 55 riparian habitat 55 marine ecosystems 55 aquatic ecosystems 55 habitat 55 ocean ecosystems 54 seagrasses 54 habitat fragmentation 54 drylands 54 wetland habitat 54 fragile ecosystems 54 ecologically sensitive areas 53 coral reef ecosystems 53 ecologies 53 overfishing pollution 52 grassland birds 52 tidal wetlands 52 watersheds 52 mangrove forests 52 seagrass beds 52 ecological 52 biodiversity hotspots 51 wetlands 51 underwater grasses 51 ecosystem 51 waterbirds 51 overexploitation 51 coral reefs 51 waterbodies 51 bio diversity 51 waterfowl habitat 50 species extinctions 50 forests 50 freshwater wetlands 50 palm plantations 50 tropical rainforests 50 reforesting 50 nesting habitat 50 carbon sinks 50 terrestrial ecosystems 50 marine ecosystem 50 biodiversity conservation 49 tiger habitats 49 caribou herds 49 marine biodiversity 49 clearcuts 49 tropical forests 49 spawning habitat 49 overgrazing 49 woodland caribou 48 ecological degradation 48 Boreal Forest 48 reefs 48 wetland 48 habitat degradation 48 forbs 48 riparian 48 aquatic species 48 marine habitats 48 species 48 peatland 48 National Wildlife Refuges 48 soil fertility 48 imperiled species 48 rangelands 48 environmental degradation 48 vegetation 48 fauna 47 nutrient absorption 47 overharvesting 47 owl habitat 47 overgrazed 47 Overfishing 47 salmon steelhead 47 habitat restoration 47 marbled murrelet 47 overhunting 47 biodiverse 47 lynx habitat 47 biologically diverse 47 prolonged droughts 47 migratory fish 46 invasive weeds 46 virgin forests 46 arable lands 46 populations 46 wolf populations 46 wildlife