Related by context. Frequent words. (Click for all words.) 58 ocean acidity 54 species extinctions 52 acidification 51 terrestrial ecosystems 51 atmospheric CO 48 ocean acidification 48 nitrogen fixation 48 harmful algal blooms 48 marine invertebrates 47 mid latitudes 47 atmospheric carbon dioxide 47 decadal 47 marine sediments 47 atmospheric CO2 47 seagrasses 47 extinctions 47 CO2 concentrations 46 salinity 46 glacial melting 46 diatom 46 abundances 45 Ocean acidification 45 atmospheric concentrations 45 amphibian populations 45 thermosphere 45 diatoms 45 biogeochemistry 45 phytoplankton 45 benthic 45 trophic 44 lithosphere 44 genetic variability 44 albedo 44 glacial melt 44 Salinity 44 El Nino warming 43 oxygenation 43 folate intake 43 coral bleaching 43 freshwater ecosystems 43 geomorphology 43 volcanism 43 mortality 43 hydrological cycle 43 lake sediments 43 algal 43 sperm motility 43 mass extinctions 43 aerosol particles 43 icecaps 43 coral reefs 43 ozone depletion 43 polar caps 43 Phytoplankton 43 marine organisms 43 marine ecosystems 43 vertical wind shear 42 thermocline 42 greenhouse gas concentrations 42 anoxic 42 upwelling 42 greenhouse warming 42 ocean ridges 42 acidifying 42 calcite 42 cardiorespiratory fitness 42 kelp forests 42 sunspot activity 42 photosynthetic 42 stratospheric ozone 42 sedimentation 42 biodiversity 42 #.#C [004] 42 atmospheric circulation 42 biota 42 El Ninos 41 microcirculation 41 Quaternary 41 Antarctic ice 41 oxygen isotopes 41 algal blooms 41 radiative forcing 41 denitrification 41 sediment cores 41 corals 41 oceans 41 glaciers melt 41 acidity 41 Nature Geoscience 41 Antarctic Ice 41 equatorial Pacific 41 dissolved oxygen levels 41 vitamin D insufficiency 41 glaciers melting 41 Weddell Sea 41 Greenland glaciers 40 speciation 40 ocean ecosystems 40 coral 40 isoprene 40 biodegradation