نتایج جستجو برای: floodplains
تعداد نتایج: 1171 فیلتر نتایج به سال:
The non utilization of fishing management techniques in the Amazônia has many causes such as land tenure instability, inadequate legislation and public policies, the advance of cattle ranching over the floodplains and lack of adequate credit and incentives. Amongst the effects caused by this problem we find the alteration of the ecological process in the floodplains, a decrease in some fish sto...
An economic anylysis was made to determine the cost of fish production in the floodplains at Daudkandi Upazilla in Comilla district during the period form January to April, 2007. Survey method was followed to collect data from 20 floodplain aquaculture projects. The projects record books and personal interviews of the NGOs and Fisheries officers were the main instruments of data collection. Sta...
Abstract Cities have historically developed close to rivers and coasts, increasing human exposure flooding. That is exacerbated by changes in climate population, urban encroachment on floodplains. Although the mechanisms of how urbanization affects flooding are relatively well understood, there been limited efforts assess magnitude floodplain globally it has changed both space time. Highly reso...
Abstract Fast growing coastal population centers face an increasing vulnerability to several emission sources of anthropogenic and industrial pollutants. The ongoing industrialization in emerging countries increases the environmental human risk for people living megacities, especially global south Asia. Extreme weather events, such as heavy rainfalls resulting flood are projected increase frequ...
Floodplains play a key role in the ecology of the Upper Mississippi River; however, humans have significantly affected the ecological function of floodplains by isolating them from the main stem of the river with levees. Impoundment and channel training within the main stem also influence floodplain function by altering the flow of water through the system. Because of the key role hydrology pla...
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