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Showing items 1 through 9 of 99.
  7. Library Resource

    Linking crop structure, throughfall, soil surface conditions, runoff and soil detachment: 10 land uses analyzed in northern Laos

    Journal Articles & Books
    December, 2017
    Laos, South-Eastern Asia
    Land & Food Security
    land use
    food security

    In Montane Southeast Asia, deforestation and unsuitable combinations of crops and agricultural practices degrade soils at an unprecedented rate. Typically, smallholder farmers gain income from “available” land by replacing fallow or secondary forest by perennial crops. We aimed to understand how these practices increase or reduce soil erosion. Ten land uses were monitored in Northern Laos during the 2015 monsoon, using local farmers' fields. Experiments included plots of the conventional system (food crops and fallow), and land uses corresponding to new market opportunities (e.g.

  8. Library Resource

    Regional assessment of groundwater recharge in the lower Mekong Basin

    Journal Articles & Books
    December, 2017
    Laos, Vietnam, China, Myanmar, Cambodia, Thailand, South-Eastern Asia
    land cover

    Groundwater recharge remains almost totally unknown across the Mekong River Basin, hindering the evaluation of groundwater potential for irrigation. A regional regression model was developed to map groundwater recharge across the Lower Mekong Basin where agricultural water demand is increasing, especially during the dry season. The model was calibrated with baseflow computed with the local-minimum flow separation method applied to streamflow recorded in 65 unregulated sub-catchments since 1951.

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