Can macroalgae contribute to blue carbon? An Australian perspective – ScienceOpen
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      Can macroalgae contribute to blue carbon? An Australian perspective : Can macroalgae contribute to blue carbon?

      , , , , , ,
      Limnology and Oceanography
      Wiley-Blackwell

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          Ocean acidification: the other CO2 problem.

          Rising atmospheric carbon dioxide (CO2), primarily from human fossil fuel combustion, reduces ocean pH and causes wholesale shifts in seawater carbonate chemistry. The process of ocean acidification is well documented in field data, and the rate will accelerate over this century unless future CO2 emissions are curbed dramatically. Acidification alters seawater chemical speciation and biogeochemical cycles of many elements and compounds. One well-known effect is the lowering of calcium carbonate saturation states, which impacts shell-forming marine organisms from plankton to benthic molluscs, echinoderms, and corals. Many calcifying species exhibit reduced calcification and growth rates in laboratory experiments under high-CO2 conditions. Ocean acidification also causes an increase in carbon fixation rates in some photosynthetic organisms (both calcifying and noncalcifying). The potential for marine organisms to adapt to increasing CO2 and broader implications for ocean ecosystems are not well known; both are high priorities for future research. Although ocean pH has varied in the geological past, paleo-events may be only imperfect analogs to current conditions.
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            Bio-char Sequestration in Terrestrial Ecosystems – A Review

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              Seagrass ecosystems as a globally significant carbon stock

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                Author and article information

                Journal
                Limnology and Oceanography
                Limnol. Oceanogr.
                Wiley-Blackwell
                00243590
                September 2015
                September 2015
                : 60
                : 5
                : 1689-1706
                Article
                10.1002/lno.10128
                c5aff8b9-cb24-4a63-888d-860fedf4d23b
                © 2015

                http://doi.wiley.com/10.1002/tdm_license_1.1

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