湿地沼泽气候变化环境气象学
摘要：The facts showed that the number of unemployment people is increasing and a large part of them live in the low-lying areas to be facing the challenge from impacts of climate change. So adaptive capacity of the poverty level for sustainable livelihood in vulnerable wetlands is related to coping with local climate change. This paper focuses on soil-less agriculture (Hydroponics) as an alternative source of livelihood means for the communities having no lands for cultivation. Approximately half of Bangladesh is covered with wetlands. The prospect of enormous productivity lies in the development of wetland resources. The soil-less agriculture is an indigenous practice in the middle of southwestern part of Bangladesh. The people who lives within the wetland ecosystems uses locally available paddy straws, water hyacinths and various invasively aquatic plants for making the floating mat or organic bed on which crops, vegetables and seedlings are grown. The productivity of this farming system is much higher than that of terrestrials agricultural and the system can support fisheries of open water. The compost generated from organic refuse bed is a kind of enriched nutrient and can act as a soil conditioner. It would be a major source of nutrients in aquaculture as well. The system is capable to ensure more agriculture production by restoring wetlands from aquatic invasive plant. In addition, the technology included of the system is friendly to ecosystem of wetlands.
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