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Blue carbon

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Title: Blue carbon  
Author: World Heritage Encyclopedia
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Subject: Carbon sequestration, Ecosystems, Chemical oceanography, Biomass, Biological oceanography
Collection: Biological Oceanography, Biomass, Carbon Sequestration, Chemical Oceanography, Ecosystems
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Blue carbon

Blue carbon is the biomass and sediments from mangroves, salt marshes and seagrasses.[1]

Contents

  • Relevance of blue carbon 1
  • See also 2
  • References 3
  • External links 4

Relevance of blue carbon

The rates of blue

  • GRID-Arendal Blue Carbon Portal
  • Blue Carbon Blog

External links

  1. ^ Nellemann, Christian et al. (2009): Blue Carbon. The Role of Healthy Oceans in Binding Carbon. A Rapid Response Assessment. Arendal, Norway: UNEP/GRID-Arendal
  2. ^ Laffoley, Dan and Grimsditch, Gabriel (2009): The Management of Natural Coastal Carbon Sinks. Gland, Switzerland: IUCN
  3. ^ Murray et al. (2010): Payments for Blue Carbon. Potential for Protecting Threatened Coastal Habitats. Durham, USA: Nicholas Institute for Environmental Policy Solutions
  4. ^ Crooks, Stephen et al. (2011): Mitigating Climate Change through Restoration and Management of Coastal Wetlands and Near-shore Marine Ecosystems: Challenges and Opportunities. Washington D.C., USA: World Bank
  5. ^ Lavery, Trish J. et al. (2010). Iron defecation by sperm whales stimulates carbon export in the Southern Ocean. Proceedings of the Royal Society B. 277:3527-3531. doi:10.1098/rspb.2010.0863

References

See also

Various processes are known to enhance the ocean's ability to store carbon. Sperm whales increase the levels of primary production and carbon export to the deep ocean by depositing iron rich faeces into surface waters of the Southern Ocean. The iron rich faeces causes phytoplankton to grow and take up more carbon from the atmosphere. When the phytoplankton dies, it sinks to the deep ocean and takes the atmospheric carbon with it. By reducing the abundance of sperm whales in the Southern Ocean, whaling has resulted in an extra 2 million tonnes of carbon remaining in the atmosphere each year.[5]

These ecosystems are highly valuable not only for their contribution to climate change mitigation on a global scale, but also for the many valuable services they provide locally.[4]

Because coastal ecosystems do contain substantial amounts of carbon, and because this carbon is in danger of being released, they are important in mitigating climate change. However, the rate of loss of mangroves, sea grasses and salt marshes (driven mostly by human activities) is estimated to be among the highest of any ecosystem on the planet, prompting international interest in managing them more effectively for their carbon benefits.[3]

[2]

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