Résultats de la recherche | Land Portal
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Résultats de la recherche

Résultats de la recherche

Showing items 1 through 9 of 117.
  7. Library Resource

    Regional assessment of groundwater recharge in the lower Mekong Basin

    Articles et Livres
    décembre, 2017
    Laos, Viet Nam, Chine, Myanmar, Cambodge, Thaïlande, Asia du sud-est
    couverture du sol

    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.

  8. Library Resource

    REDD+ at the crossroads: Choices and tradeoffs for 2015 - 2020 in Laos

    Rapports et recherches
    décembre, 2015
    Laos, Asia du sud-est
    Restauration des paysages forestiers
    Terres, changement climatique et environnement
    Terres, changement climatique et environnement
    Régimes forestiers
    déboisement
    industrie minière
    concession (foncière)
    changement climatique
    zone rurale
  9. Library Resource

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

    Articles et Livres
    décembre, 2017
    Laos, Asia du sud-est
    Terre et sécurité alimentaire
    utilisation des terres
    sécurité alimentaire

    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.

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