... rather than food. Smaller-scale aquaculture mixed with farming is particularlyprominent inthe Thai part of theMekong Basin, and inthe delta in Viet Nam. Not surprisingly, small-scale aquaculture ... fishers are increasing. Total catchesmay therefore be maintained (or be increasing) even if averagecatches per fisher are getting smaller. An analysis of historical datafor the Tonle Sap ecosystem ... abundantresources and greater human population (e.g., the Thai Mekong and central and southern Cambodia), largercommercial fisheries are dominant. Inthe delta area of VietNam, which has the...
... upstream and deposit alluvium to the fields of the Delta. Flooding water eliminates a great part of the salinity inthe soil inthe coastal areas and flushes toxicity released from acid sulfate ... between the warm atmosphere and the storms in the tropical monsoon Asia. • Survey and forecast the effects of the dams and irrigation systems in upstream to the low parts of the basin. • Estimate ... interviews have been implemented in AnGiang, DongThap and LongAn, almost the farmers said that “Living with flood” or “Shaking hands with flood” as the best way for theMekong Delta sustainable development....
... 1996)RoundedTruncateEmarginateLunateForkedPointed and Continuouswith Dorsal and Anal FinPointed and Separatedfrom Dorsal and Anal FinDorsal or ventral doublebody contourDorsal or Anal FinAlong n rayFin ... ray basePectoral FinInterspine baseFin baseEpuralOn nHypuralWebPunctateStellateBranchedRadialCaudal FinSwim Bladder(internal)MelanophoresPelvic nSingle body contourMarginalFigure ... MekongRiver Basin MyanmarChinaPage 37CyprinidaeAdult Barbonymus altus (Günther, 1868)Red-tailed tinfoilAn omnivorous species, which is found basin- wide in large and medium-sized rivers at...
... estimated approximately 18 million people (2006), half of them are children. Apart from for those living inthe urban areas, children inthe rural area are familiar with the water in rivers and canals. ... program intheMekong River Delta. It seems an irrational structure for children living ina floodplain as the Delta. In the flood seasons, many schools and houses are often inundated. As a ... inundated areas inthe Long Xuyen quadrangle and the Plain of Reeds, the lands between Tien River and the Hau River and the numerous stream and canal system that flood water flow laterally over...
... 1800 and 2200 mm of rainfall. At the end of the rainy season, due to the combination of floodwater draining from the upstream areas, the overland flood water entering from Cambodia across the ... ranking of the wetlands inthe MD and the South East region. Today, each MD wetland forest managing board finished the wetland situation analysis report as part of the action plan. The analysis ... values in wetland biodiversity conservation sites; ▪ revising and upgrading wetland sustainability utility planning; and ▪ integrating information for wetland forest sustainability financing...
... complicated. The main factors are river discharge, local rainfall and runoff, the amplitude of tides inthe East Sea and the Gulf of Thailand, the slope of the river bed, the wind velocity and ... irrigation, saline intrusion, acid sulfate soil, water quality management. THE MEKONGRIVER DELTA IN VIETNAM IN GENERAL The MD is located inthe centre of the Southeast Asian region. It is really ... from aquaculture and animal husbandry and of wastewater from industrial plants and human populations. Inthe dry season and early rainy period, the polluted water seriously impacts the agricultural...
... traditional way inthe MD. Storage of rain water in terra-cotta jars and cement-brick tanks or in large concrete containers is very common in rural, sub-urban areas and islands. The advantages of rain ... recorded the acidity inthe rain water in April, May yearly. No using of rain water in early rainy season is recommended as way to treat the air-dust and other pollutants deposited in the house-roofs ... fresh-watering the Ca Mau Peninsula to be invested in enlarging irrigation systems, widening channels and canals, building drains, dikes, tanks, controlling salted and acid surphate soil areas in...
... 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). Theriver has 4,200 ... accepts yearly all the water flood volume of the basin. About 1.2 to 1.9 million ha of land, mainly inthe North parts of the MD such as the LongXuyen quadrangle and the Plain of Reeds, affected ... along the rivers’ and canals’ levees. Almost all the people’s activities and infrastructure are depended highly on the water and land resources. The MD farmers are very adaptive to the changes...
... concentrated inthe cities, peri-urban areas, mainly along the major roads and waterways. Along the Tien river and Hau river in Vietnam of theMekongriver system every 60 kilometers we have a major ... to increase their income by increasing and diversifying their agricultural and fishery production. Since the past 20 years, the area of cultivable lands have been growing by an expansion the ... living and production A typical characteristic of a very flat delta as the MD is the small difference natural level between the sea level inriver estuaries and the inner lands. Also the...
... impacts on the coastal zone in the province include: (1) The shrinking of land and coastal plain due to enlarged wetland and flooded areas in Tam Giang - Cau Hai lagoon would exacerbate the effects ... result in an increase in precipitation in rainy seasons but a decline in dry season. As a consequence, river flow also changes accordingly. This may cause an unbalance in water use of various ... the rainy season would increase by 25%. In contrast, rainfalls inthe early months of dry season (December to February) show a decrease by 23% for A1 FI scenario. Annual rainfall has an increasing...
... be added as new data become available. Environmental Setting and Data-Collection Sites The environmental setting of the McKenzie Riverbasin and a discussion of sampling sites inthebasin ... prepare, and analyze samples and to assure the quality of the data are presented in detail in McCarthy and others (2009). Methods are briey summarized and details specic to each data set are included ... Deployed inthe McKenzie River Basin, Oregon By Kathleen A. McCarthy and David A. AlvarezAbstract Two types of passive samplers the semipermeable membrane device (SPMD) and the polar organic...
... HOWARDBROOKSSUBBASINHOPBROOKSUBBASINASSABET MAIN STEM HEADWATERSSUBBASINASSABET MAIN STEMMIDDLE SUBBASINDANFORTHBROOKSUBBASINELIZABETHBROOKSUBBASINFORT POND BROOKSUBBASINTAYLOR ... ground-water-flow system in subbasins of the A, Assabet River Main Stem; and B, tributary subbasins, ina hypothetical scenario of increased withdrawals and discharges inthe Assabet River Basin. . . . . ... wastewater disposal inthe Assabet RiverBasinin eastern Massachusetts alter the flow and water quality inthe basin. Wastewater discharges and stream-flow depletion from ground-water withdrawals...
... lower basin and the smaller Songkram Riverbasininthe middle Mekong in Thailand. Apart from these major systems, there are smaller flooded areas all along the main stream. The river and its ... which includes headwaters in Yunnan Province and China as far as the Myanmar-Lao PDR border;ii) The middle basin from the Myanmar/Lao PDR border to Khone Falls;iii) The lower basin from Khone Falls ... local tastes in Northeast Thailand. The species has so far failed to beadopted in Lao PDR and Thailand, although it is widely cultured in China and inthe South ofThailand. Its general acceptance...