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Nam Ton Watershed

This presentation discusses the current situation and outcomes of the Nam Ton Watershed project in Sangthong and Hinherb districts, focusing on the costs and benefits of irrigation and agricultural development. Supported by KfW, GIZ, LMNC, and MRC, the project spans from 2010 to 2017, covering 43 villages with a total area of 80,000 ha and a population of 32,000. It addresses ongoing issues, including soil degradation and the need for improved irrigation infrastructures, alongside recommendations for sustainable fish populations and agricultural practices.

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Nam Ton Watershed

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  1. Nam Ton Watershed Cost and Benefit analysis of Irrigation and Agriculture Development Group 2 Sang Huy Toe

  2. Layout • Introduction • Background • Singthong District • Hinherb District

  3. Introduction The purpose of the presentation is to show the real situation of watershed implementation in Sangthom and Hinherb provinces and to show the cost and benefit of this watershed project

  4. Background • KfW, GIZ, LMNC, and MRC support the project • project duration is 2010 to 2017 ( 7 years ) • project start from 10/2011 • project have two portion • ( part 1 – cover all project measures within the project • area by Lao Government and the local people ) • ( part 2 – MRC facilitates regional water resources • development and pilots replicable development solutions

  5. Background (Cont’) • Nom Tom Watershed is part of the lower Mekong Basin and • direct tributary to the Mekong River • the project area comprises of 43 villages in Hinheup and • Sangthong districts • project area is 80,000 ha • total population is 32,000 • propose irrigation site, 8 ( 1, rehabilitation and 7 new )

  6. Sangthong District • Background • Area: 76000 Km2 • 5 Kum Ban • Forest: 38700 h • Population: 29079 (F = 14344) • 75% is farmer • Agricultural area: 29000 h • Rain fed area: 7635 h • Yield product: 4.15T/h (rain feed) • 4.36T/h (irrigated) • Main income: rice growing and aquaculture

  7. The On Going Issue • District propose to the project on supporting for gate • construction at the mouth of Nam Ton river • The dam will protect the upstream from flood meanwhile • it also block fish from travelling from Mekong River to • Nam Ton river • Shifting cultivation • Soil degradation • Deforestation

  8. New Sluice gate above junction • prevent entering water from • Mekong River in high • water season • can be used to control flood • can be used to irrigate rice field • in dry season • Block fish migration

  9. Recommendation • To ensure the sustainability of fish caught in this area, • in the designing phase of water gate/dam, the fish ladder/ • fish stair should carefully design • Shifting cultivation • Plan rotation, and • Perennial tree Fish Ladder

  10. Hinherb District • Background • Flat land: 10% • Mountainous: 90% • Population: 5900 • Irrigated area: 14ha • Yield production: 2.8T/Ha • Main income: rice plantation

  11. The On Going Issue • Lack of irrigation system • Erosion is continue on the poor existing irrigation system • Upland agriculture system by applying water harvesting onto • the mountainous area (forest conservation should also • consider) • 5 potential irrigation system are propose Recommendation & Solution

  12. THNAK YOU FOR YOUR ATTENTION THANK YOU FOR YOUR ATTENTION

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