dams fish and fisheries in the mekong river basin

... households in the Lower Mekong Basin are involved in fisheries, both for their own consumption and for sale. Women and children are very active in the fishery, in both catching and processing/marketing. ... considerably strengthen the arguments for sustaining aquatic biodiversity in the Mekong. 1 BIODIVERSITY AND FISHERIES IN THE MEKONG RIVER BASIN Mekong Development Series No. 2 May 2003 Published in Phnom ... promoting sustainable management of fisheries, including attention to biodiversity needs. In addition to the 1995 Agreement on Sustainable Development of the Mekong River Basin, these instruments include...

Ngày tải lên: 14/03/2014, 08:46

Ngày tải lên: 06/07/2014, 23:20

... floodwater, causing overland flows along the banks and interior fields. Flood basins are low- lying areas and received these sedimentary materials. The flood basins of the Mekong River system ... changes in q t , f s , and u 2 showed interbedded, faint laminae and discontinuous parallel laminae. These are all features of the marsh facies. 4.3.1.3. Estuarine marine sand and sandy silt ... coarsening-upward succession began in the pro-delta and was gradually created. The pro-delta contained very fine and fine sand laminae. The pro-delta is 3.5 m thick in the MR1 core. In comparison...

Ngày tải lên: 22/03/2014, 12:20

Ngày tải lên: 21/06/2014, 06:20

Ngày tải lên: 06/07/2014, 22:20

Ngày tải lên: 06/07/2014, 22:20

Ngày tải lên: 07/07/2014, 02:20

Ngày tải lên: 07/07/2014, 02:20

... but others were not trained. There is no official swimming training in the school program in the Mekong River Delta. It seems an irrational structure for children living in a floodplain as the ... those living in the urban areas, children in the rural area are familiar with the water in rivers and canals. Their daily lives are linked with the rice fields and flood plains. Some of them learn ... (over 160,000) in the high inundated areas are not attending their schools. The beginning and the end of the rainy season are the best time for mosquito reproduction resulting in mosquito-based...

Ngày tải lên: 18/10/2013, 12:15

... between the warm atmosphere and the storms in the tropical monsoon Asia. ã Survey and forecast the effects of the dams and irrigation systems in upstream to the low parts of the basin. ã Estimate ... floods kill the insets and rats population. Otherwise, flood brings natural fishes, brings plankton which is food for fishes in cases and pools. In some questionnaire survey and interviews have ... in the Mekong Delta. Almost these water works were investigated by the national budget or the contribution of the local people and government according to the motto: “Both the Government and...

Ngày tải lên: 18/10/2013, 12:15

... conservation Mekong basin. Fig.1: The Mekong River Basin and Land forms of the MD in Vietnam The main objective of this article is the presentation of the forest wetland inventory process, ... values in wetland biodiversity conservation sites; ▪ revising and upgrading wetland sustainability utility planning; and ▪ integrating information for wetland forest sustainability financing ... processing framework, which was designed for the characterization and ranking of the wetlands in the MD and the South East region. Today, each MD wetland forest managing board finished the wetland...

Ngày tải lên: 09/12/2013, 22:15

... complicated. The main factors are river discharge, local rainfall and runoff, the amplitude of tides in the East Sea and the Gulf of Thailand, the slope of the river bed, the wind velocity and direction ... THE MEKONG RIVER DELTA IN VIETNAM IN GENERAL The MD is located in the centre of the Southeast Asian region. It is really a large wetland formed mostly by the alluvium deposition of the Mekong ... capacity by training and equipping to the water staff; ã to install water environmental monitoring systems by establishing water sampling and pollution warning stations along the industrial zones,...

Ngày tải lên: 09/12/2013, 22:15

... salinity intrusion in the river branches is very complicated. The main factors that determine this process are river discharges, local rainfall and runoff, the tides and the depth of bars in the ... controlling salted and acid surphate soil areas in the western and coastal part of the delta for increasing rice cultivation areas and improving the water supply to the people. So, implementating theses ... taken from the rivers and streams is settled in settling tanks and then treated by aluminium sulphate (alum) and sand filter techniques. Finally, chlorination is used as a disinfectant. The purpose...

Ngày tải lên: 20/12/2013, 19:15

... between Burma and Laos and most of the border between Laos and Thailand, then the main stream goes into Cambodia and finally it flows across southern Vietnam to the sea (figure 1). The river has ... list of the largest rivers in the world and is longest river in southeastern Asia. From its source in Tibet, the river flows to the South China Sea through Yunnan, China, forms the border partly ... November. The river network of the Mekong is rather complicated, especially from Cambodia to Vietnam. At Phnom Penh, the river meets the Tongle Sap river, then splits into Tien river and Hau river...

Ngày tải lên: 16/01/2014, 17:20

... delta as the MD is the small difference natural level between the sea level in river estuaries and the inner lands. Also the MD is Figure 1: The Mekong River and the MD map The second International ... cultivable lands in the dry season. The shortage of freshwater leads to increasing salinity intrusion throughout the MD coastal provinces. (v) The floods: Discharge of the Mekong river during the ... Mekong river flow. The population pressure and the economic development needs have also driven the farmers to increase their income by increasing and diversifying their agricultural and fishery...

Ngày tải lên: 16/01/2014, 17:20

... significant increase in rainfall in wet season resulting in an increase in river flow. By contrast, the decreasing trend of river flow in dry season is a consequence of the decline of rainfall and increase ... Huong River basin falls entirely in Thua Thien - Hue Province and is of great economic and tourism importance for the province. The river basin is expected to be one of the most vulnerable basins ... Changes in the flow regime will affect the itinerary of fishing boats and other ships and fish migration/spawning routes. Changes in the natural environment lead to changes of biodiversity, the...

Ngày tải lên: 05/03/2014, 16:20

... species from the Mekong River Basin A guide to larvae and juveniles of some common sh species from the Mekong River Basin ISSN: 1683-1489 Mekong River Commission Meeting the Needs, Keeping the Balance MRC ... larvae and juveniles of some common sh species from the Mekong River Basin x Figure 3. Map of the Lower Mekong River Basin Myanmar China Page 37 Cyprinidae Adult Barbonymus altus (Günther, 1868) Red-tailed ... larva Develops in oodplain and riverine habitats. Elongated yolk-sac with homogenous yolk. Pre-larva Develops in oodplain and riverine habitats, starts feeding on zooplankton at 6.9–7.6 mm in length. Hunch-back...

Ngày tải lên: 14/03/2014, 08:46

... Sites The environmental setting of the McKenzie River basin and a discussion of sampling sites in the basin have been previously reported in McCarthy and others (2009) and Kelly and others ... Mckenzie River Basin, Oregon, During 2007. 5 Appendix 2. Data from Passive Samplers Deployed in the Mckenzie River Basin, Oregon, During 2010. 5 Figures Figure 1. Map showing study area location and ... chemical integrative sampler (POCIS)—are being used to collect data from the McKenzie River, Oregon. The McKenzie River is the source of drinking water for the City of Eugene, Oregon, and passive-sampler...

Ngày tải lên: 14/03/2014, 20:20

Ngày tải lên: 17/03/2014, 12:20

... SUBBASIN DANFORTH BROOK SUBBASIN ELIZABETH BROOK SUBBASIN FORT POND BROOK SUBBASIN TAYLOR BROOK SUBBASIN SPENCER BROOK SUBBASIN NASHOBA BROOK SUBBASIN ASSABET MAIN STEM LOWER SUBBASIN ASSABET MAIN STEM UPPER SUBBASIN STIRRUP ... ground-water-flow system in subbasins of the A, Assabet River Main Stem; and B, tributary subbasins, in a hypothetical scenario of increased withdrawals and discharges in the Assabet River Basin. . . . . ... streamflow in September in the Assabet River about doubled at the outlet of the Main Stem Headwaters subbasin and increased by about 4 percent at the outlet of the Main Stem Upper subbasin. These increases...

Ngày tải lên: 17/03/2014, 15:20