越南紅樹林生長、聚落生存與氣候變遷潜在衝擊

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题名:	越南紅樹林生長、聚落生存與氣候變遷潜在衝擊 The Potential Impact of Climate Change on Mangrove Growth and Community Livelihood in Vietnam
作者:	何黃孝 Hieu, Ha Hoang
贡献者:	地學研究所地理組
关键词:	MeKong River Delta Remote sensing GIS coastal ecosystem social survey
日期:	2015-06
上传时间:	2015-08-31 15:13:45 (UTC+8)
摘要:	Mangroves forest appear most extensively in low-energy, sedimentary shorelines in intertidal tropical and subtropical areas such as deltas and river estuaries. Mangrove’s unusual spatial roots are a response to their salinity environment habitats. These plants act as nurseries for invertebrate and fish species. Mangroves also control aspects of water chemistry in coastal river areas. They provide food, fuel and other services to human communities and serve as a giant buffer against storms and other extreme climate events. Mangroves are among the most critically threatened ecosystems in the world – threatened by conversion to aquaculture, agriculture and tourism; by unsustainable fishing and harvesting of wood products; and by altered salinity and sediment levels because of upstream pollution and development. Impacts of climate change, especially sea level rise, will make conditions even more dangerous for mangroves and heighten the urgent need to improve their management and prevent. This study aims at understanding the relationship between climate change factors and mangrove growth and to protect high biodiversity mangrove areas in Ben Tre Province, Viet Nam. Remote sensing has been used as a tool for natural resources management. Satellite data was the best option for identification mangrove growth pattern. Satellite data and image processing have been applied for detecting large coastal landscapes. In this study, satellite and GIS analysis are the major research methods. They provide information for identifying relationship between mangrove growth and climate in Ben Tre and the most important climate factor change impact on mangrove growth. Social survey research methods are used to assess the impact of climate change on local residence and the relationships between human and mangroves.
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