WATER RESOURCES IN THE MEKONG DELTA: A HISTORY OF MANAGEMENT, A FUTURE OF CHANGE pdf

... Specifically, in deep inundation areas they have changed the direction and water level in the fields at the beginning of the flood season, and altered the signature of the main flood in shallow inundation ... joins the Mekong mainstream at Phnom Penh. During the wet season, the high water levels in the Mekong main channel transfer water into the L...

Ngày tải lên: 13/08/2014, 22:21

... water samples in An Binh and Hoa An in mmol(eq%)/l 1 Conditions of the surface water and ground water resources in the rural area of the Mekong Delta, Vietnam – exemplary investigations at the ... Regarding the ground water and the surface water quality the two study sites Hoa An and An Binh are typical for the conditions of the rural area o...

Ngày tải lên: 16/01/2014, 17:20

... floodwaters to the ocean, limiting overland flow. Similarly in the Long Xuyen Quadrangular area of the Mekong Delta, there are plans to enlarge 18 main canals for draining floodwaters to the ... providing training in schools of how to remain safe during extreme floods. 3. Impacts and Problems of Water Resource Management The success of the Mekong Delta as an...

Ngày tải lên: 13/08/2014, 22:21

... including extra water, shortage of drinking water, saline water, acid water, water pollution by upstream as well as on-stream users. The most water related problems concerned by farmers in this area ... intrusion. The dike system for prevention of saline intrusion will increase the harm of acid sulfate soil to aquaculture and agriculture in the Plain of Reeds. S...

Ngày tải lên: 09/12/2013, 22:15

... large, the capacity of clean water is finite in general and the demand is increasing. Therefore a sustainable water management should be incorporated in the targets of the country development as ... of freshwater, intrusion of salinity, water logging of agricultural land, destruction of wetlands and loss of biodiversity in mangrove forest and coastal are...

Ngày tải lên: 16/01/2014, 17:20

... downstream spread of bacterial disease and parasites in the water. It may also be impacting adversely on the health of families that draw significant amounts of their domestic water from these polluted ... the problem. In particular there appears to be a lack of baseline water quality data from which to demonstrate a decline in water quality. Moreover, there i...

Ngày tải lên: 21/06/2014, 04:20

... water from canals into their ponds (Phan et al. 2009). Levels of fish-disease organisms in the river peak at the beginning of the rainy season in the Mekong Delta. The quantity of waste produced ... are discharged to waterways without treatment (Phan et al. 2009). It is estimated that about 2754GL of water was discharged annually back to the surface water sy...

Ngày tải lên: 21/06/2014, 04:20

... This approach reduced the data into a more analytical and readable format and a new way of thinking about the data. The new transcripts were then interrogated for patterns such as common issues, ... studies have assessed the effectiveness of particular management strategies in addressing these issues. Further, Phan et al. (2009) also found there was a lack of guide...

Ngày tải lên: 21/06/2014, 04:20

... the acidification of waterways behind floodgates and the loss of seawater species behind the floodgates. Since the brackish water canals are more productive that freshwater canals, this may have ... Cambodia’s Great Lake in the upper Delta. Fig. 2.3, using the invaluable data of (Carbonnel and Guiscafre, 1963) shows the variation in the volume of the Lake. The...

Ngày tải lên: 06/07/2014, 22:20

... performance in conducting hazard analyses, reassessing their plans, and validating the measures they adopt in addressing those hazards because there are many gaps and deficiencies in HACCP implementation. ... classification of shrimp material, cheating by farmers, etc. There are some other chains that are in the same situation as the shrimp chain in the MD, like fish...

Ngày tải lên: 23/04/2013, 09:34