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    The impact of rapid land use changes upon sediment yields from agricultural catchments in northern Lao PDR

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    Authors
    Sengtaheuanghoung, Oloth
    Valentin, Christian
    Ribolzi, Olivier
    Rouw, Anneke de
    Thiebaux, Jean-Pierre
    Date Issued
    2007
    Language
    en
    Type
    Conference Paper
    Accessibility
    Limited Access
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    Citation
    Sengtaheuanghoung, O.; Valentin, Christian; Ribolzi, Olivier; de Rouw, Anneke; Thiebaux, Jean-Pierre. 2007. The impact of rapid land use changes upon sediment yields from agricultural catchments in northern Lao PDR. Actes des JSIRAUF, Hanoi, Vietnam, 6-9 novembre 2007. 5p.
    Permanent link to cite or share this item: https://hdl.handle.net/10568/38672
    Abstract/Description
    To provide data that are lacking at the catchment scale, outflow and sediment yield have Been monitored from 8 small (0.5-64 ha) rural catchments since 2001 in northern Lao PDR. Soil conservation strategies have been developed and tested on three of these catchments. Results clearly show that sediment yields can be reduced from 5-11 Mg ha-1 yr-1 under the current slash and burn system to nearly nil when appropriate practices are selected. These include improved fallow systems based on legumes. These innovative practices rehabilitate degraded land and enhance water quality.
    Notes
    Actes des JSIRAUF, Hanoi, Vietnam, 6-9 novembre 2007
    AGROVOC Keywords
    catchment areas; sedimentation; land use; cropping systems; shifting cultivation; rain; runoff
    Countries
    Laos
    Regions
    South-eastern Asia
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    • IWMI Conference Chapters or Papers [1046]

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