Related by context. Frequent words. (Click for all words.) 55 nitrogen fixation 55 geoengineering 53 carbon sequestration 52 diatoms 50 biochar 50 acidification 50 methane hydrates 50 ocean acidification 50 marine organisms 49 marine ecology 49 greenhouse warming 49 atmospheric carbon dioxide 49 oceanographers 49 atmospheric CO2 47 ozone depletion 47 kelp forests 47 biogenic 47 atmospheric circulation 47 ocean ecosystems 47 marine ecosystems 46 aerosol particles 46 oceans 46 phytoplankton 46 krill 46 anthropogenic climate 46 tidal 46 carbon capture 46 diatom 46 longline fishing 46 coal liquefaction 45 Marine Protected Areas 45 plankton 45 ocean currents 45 supersymmetry 45 greenhouse gas concentrations 45 algal blooms 45 Nature Geoscience 45 gas hydrates 45 OTEC 45 gobies 45 CO2 concentrations 45 anthropogenic 45 biomass 44 biodegradation 44 species extinctions 44 sequestration 44 mariculture 44 global warming 44 biota 44 nutrient runoff 44 anthropogenic global warming 44 bottom trawling 44 Biochar 44 atmospheric chemistry 44 cyanobacteria 44 Ocean acidification 44 avoided deforestation 44 toxicity 44 denitrification 44 CO2 44 anoxic 44 sequester carbon 44 false killer whales 44 salinity 43 gyre 43 benthic 43 laboratory experiments 43 marine ecosystem 43 harmful algal blooms 43 emission reductions 43 Phytoplankton 43 upwelling 43 carbon sinks 43 greenhouse gases 43 ocean 43 algae 43 sunspot activity 43 sediment cores 43 intertidal 43 high temperature superconductivity 43 cetaceans 43 aquaculture 43 Computer simulations 42 volcanism 42 perturbation 42 quantum gravity 42 oyster restoration 42 beaked whales 42 hydrodynamics 42 Arctic Ocean 42 El Ninos 42 dispersants 42 thorium 42 algal 42 aquatic organisms 42 peer reviewed 42 carbon dioxide 42 environmentally benign 42 stratospheric ozone 42 carbon dioxide CO2 42 photosynthetic