Related by context. Frequent words. (Click for all words.) 48 earthquakes volcanoes 48 MDT reply 45 navigational hazards 45 overfishing pollution 44 sediment runoff 43 aquatic habitats 43 insects rodents 43 Seafloor 42 shoreline erosion 42 earthquakes volcanic eruptions 42 freshwater habitats 42 toxic algae blooms 42 Coral bleaching 42 stormwater discharges 41 endocrine disrupting 41 intertidal zone 41 minimally impacted 41 insects reptiles 41 streambanks 41 Bottom trawling 41 sedimentation 41 Coral reef 41 impacts 41 freshwater marsh 40 Soil erosion 40 coastal inundation 40 frogs salamanders 40 Sedimentation 40 toxic algal blooms 40 ocean basins 40 delicate ecosystems 40 manmade 39 tsunamis earthquakes 39 skeletal deformities 39 deplete oxygen 39 Encroaching 39 coastal dune 39 salination 39 mussel shells 39 pollutions 39 nonpoint source pollution 39 habitat fragmentation 39 polluted runoff 39 embayments 39 streambeds 38 Antarctic krill 38 adverse impacts 38 freshwater springs 38 meteorological phenomena 38 beach erosion 38 erosional 38 predator prey relationships 38 Ganga Yamuna 38 salinization 38 nutrient loading 38 phosphorus runoff 38 bd.className + = 38 marbled murrelets 38 fecal indicator 37 resource depletion 37 shoaling 37 rivers lakes 37 Acidification 37 revetments 37 Ambrilia views 37 riparian zones 37 polar bears whales 37 reef ecosystems 37 Qiantang River 37 befoul 37 sewage discharges 37 habitat degradation 37 thoughtless 36 triggers cascade 36 denudation 36 Manmade 36 groundwater depletion 36 flora fauna 36 watery 36 indecorous 36 bioaccumulation 36 siltation 36 aquatic ecosystems 36 thereby negatively impacting 36 rivers 36 nonpoint sources 36 ecologies 36 endocrine disruption 36 Undisturbed 36 penguins whales 35 Hinkson Creek 35 freshwater ecosystems 35 Na Pali Coast 35 river catchments 35 Mid Continent Permian Basin 35 negative externalities 35 riverbank erosion 35 migratory bird populations 35 Nominal GDP includes 35 degradations 35 Vernal pools