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Mangrove restoration
Mangrove restoration is the regeneration of mangrove forest ecosystems in areas where they have previously existed. The practice of mangrove restoration is grounded in the discipline of restoration ecology, which aims to “() the recovery of resilience and adaptive capacity of ecosystems that have been degraded, damaged, or destroyed”.〔(【引用サイトリンク】url=http://www.fs.fed.us/restoration/ )〕 Since environmental impacts are an ongoing threat, to successfully restore an ecosystem implies not merely to recreate its former condition, but to strengthen its capacity to adapt to change over time.
==Environmental context==
Mangrove forests, along with the animal species they shelter, represent globally significant sources of biodiversity and provide humanity with valuable ecosystem services. They are used by mammals, reptiles and migratory birds as feeding and breeding grounds, and provide crucial habitats for fish and crustacean species of commercial importance. The roots of the mangrove physically buffer shorelines from the erosive impacts of ocean waves and storms. Additionally, they protect riparian zones by absorbing floodwaters and slowing down the flow of sediment-loaded river water. This allows sediments to drop to the bottom where they are held in place, thus containing potentially toxic waste products and improving the quality of water and sanitation in coastal communities.
To the human communities who rely on them, mangrove forests represent local sources of sustainable income from the harvest of fish and timber, as well as non-timber forest products such as medicinal plants, palm leaves and honey. On a global scale, they have been shown to sequester carbon in quantities comparable to higher-canopy terrestrial rainforests, which means that they may play a role in mitigating climate change, in addition to physically protecting coastlines from the projected sea-level rise associated with climate change. However, there are limits to the capacity of mangroves to adapt to climate change. It is projected that a 1-meter rise in sea level could inundate and destroy mangrove forests in many regions around the globe,〔(【引用サイトリンク】url=http://www.ipcc.ch/ipccreports/tar/wg2/index.php?idp=0 )〕 which would leave coastal communities vulnerable to the risks of flooding, shoreline erosion, saline intrusion and increased storm activity.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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