The sea ice in Polar Oceans provides a unique environment utilised by a diverse group of organisms ranging in size from single-celled algae within the ice to meter-long algal assemblages, dominated by diatoms, attached to the lower surface of the ice, and from protozoans to marine mammals. ...
NASA’s OceanColor (http://oceancolor.gsfc.nasa.gov/) and NOAA’s National Oceanographic Data Center (http://www.nodc.noaa.gov/) websites. Sea ice cover impedes measurement of ocean color from space, reducing the apparent areas of the polar oceans in the winter hemisphere (upper panels)....
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et al. ISUS/SUNA nitrate measurements in networked ocean observing systems. In Proc OCEANS 2009 (IEEE, Biloxi, 2009). Johnson, K. S. et al. Processing Bio-Argo Nitrate Concentration at the DAC Level (Ifremer, 2018); https://doi.org/10.13155/46121. OneArgo-Mat: A MATLAB toolbox for ...
The abundance of xanthorhodopsin transcripts in natural diatom communities of the surface oceans is anticorrelated with the availability of dissolved iron. Thus, we propose that these proton pumps convey a fitness advantage in regions where phytoplankton growth is limited by the availability of ...
How does primary productivity differ in polar, tropical, and temperate oceans? What are the effects of climate change and ecological succession in forests? How deforestation of tropical rainforests play a role in excess CO_2 in the atmosphere? What environmental factors increase the rate of...
Iron is an essential nutrient for phytoplankton, but low concentrations limit primary production and associated atmospheric carbon drawdown in large parts of the world’s oceans [1, 2]. Lithogenic particles deriving from aeolian dust deposition, glacial runoff, or river discharges can form an importa...
Müller P J, Suess E.Productivity, sedimentation rate, and sedimentary organic matter in the oceans-I.Organic carbon preservation[J].Deep Sea Research Part A.Oceanographic Research Papers, 1979, 26 (12) :1347-1362. doi: 10.1016/0198-0149(79)90003-7 CrossRef Google Scholar [37] Brummer ...
THE biological productivity of the oceans is sensitive to changes in climate, which can affect essential factors such as nutrient and light availability. In turn, ocean productivity may influence climate by regulating the partitioning of carbon dioxide, a greenhouse gas, between the ocean and the ...
xanthorhodopsin proton pump supports growth when chlorophyll-based photosynthesis is iron-limited. The abundance of xanthorhodopsin transcripts in natural diatom communities of the surface oceans is anticorrelated with the availability of dissolved iron. Thus, we propose that these proton pumps convey a...