Related by context. Frequent words. (Click for all words.) 70 deplete oxygen 62 Algae blooms 62 Methylmercury 61 harmful algae blooms 61 Coral bleaching 61 toxic algae blooms 60 acidify 60 depleting oxygen 59 amphipods 59 microscopic algae 59 acidifying 58 dissolved oxygen levels 58 photosynthesize 58 phytoplankton blooms 57 Nitrogen oxides 57 absorbs carbon dioxide 57 Uric acid 57 sooty mold 57 ultra violet radiation 57 Domoic acid 57 stinging jellyfish 57 oxidise 57 nutrient absorption 57 potent neurotoxin 57 algae blooms 57 respire 57 carbonic acid 57 odorless colorless gas 56 nitrification 56 decaying vegetation 56 hydroxyl radicals 56 pathogenic organisms 56 Thoroughly cooking 56 Hydrogen sulfide 56 bioaccumulation 56 plankton blooms 56 oxygen depletion 56 zooxanthellae 56 inorganic mercury 56 salination 56 dissolved oxygen 56 symbiotic algae 56 harmful microorganisms 55 algal blooms 55 naturally occurring bacteria 55 sicken humans 55 dehydrates 55 Karenia brevis 55 nutrient loading 55 quaggas 55 acidic pH 55 aquatic organisms 55 oxygen starved 55 underwater grasses 55 mold fungi 55 Turbidity 55 phosphorus pollution 55 reactive nitrogen 54 upwellings 54 Soil erosion 54 eutrophication 54 harmful ultraviolet radiation 54 phytoplankton 54 nutrients 54 salinization 54 aquatic vegetation 54 sebaceous glands 54 mosquito larva 54 Stormwater runoff 54 Bacterial infections 54 algae 54 Cyanobacteria 54 reactive oxygen 53 recharge groundwater 53 Volatile organic compounds 53 nutrient uptake 53 tannic acid 53 potassium ions 53 nutrient runoff 53 fungal spores 53 photosynthesizing 53 excretes 53 filter feeders 53 digestive juices 53 soil salinity 53 phosphorus runoff 53 biofouling 53 oxygenating 53 absorb nutrients 53 Ultraviolet radiation 53 phloem 53 Phytoplankton 53 occurs naturally 53 hypoxia 52 plankton 52 purines 52 hormone cortisol 52 toxins 52 copepods 52 sex hormone estrogen 52 biodegraded