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    • Rangeland Ecology & Management, Volume 62 (2009)
    • Rangeland Ecology & Management, Volume 62, Number 6 (November 2009)
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    Geospatial Assessment of Grazing Regime Shifts and Sociopolitical Changes in a Mongolian Rangeland

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    Author
    Sankey, Temuulen Tsagaan
    Sankey, Joel B.
    Weber, Keith T
    Montagne, Cliff
    Issue Date
    2009-11-01
    Keywords
    GIS
    GPS
    grassland biomass
    remote sensing
    
    Metadata
    Show full item record
    Citation
    Sankey, T. T., Sankey, J. B., Weber, K. T., & Montagne, C. (2009). Geospatial assessment of grazing regime shifts and sociopolitical changes in a Mongolian rangeland. Rangeland Ecology & Management, 62(6), 522-530.
    Publisher
    Society for Range Management
    Journal
    Rangeland Ecology & Management
    URI
    http://hdl.handle.net/10150/643058
    DOI
    10.2111/.1/REM-D-09-00014.1
    Additional Links
    https://rangelands.org/
    Abstract
    Drastic changes have occurred in Mongolia’s grazing land management over the last two decades, but their effects on rangelands are ambiguous. Temporal trends in Mongolia’s rangeland condition have not been well documented relative to the effects of long-term management changes. This study examined changes in grazing land use and rangeland biomass associated with the transition from the socialist collective to the current management systems in the Tsahiriin tal area of northern Mongolia. Grazing lands in Tsahiriin tal that were formerly managed by the socialist collective are now used by numerous nomadic households with their privately owned herds, although the lands remain publicly owned. Grazing pressure has more than tripled and herd distribution has changed from a few spatially clustered large herds of sheep to numerous smaller herds of multiple species. Landsat image- derived normalized-difference vegetation index estimates suggest that rangeland biomass significantly decreased (P < 0.001) from the collective to the postcollective periods. The observed decrease was significantly correlated with changes in the grazing management system and increased stocking density (P < 0.001), even when potential climate-induced changes were considered. Furthermore, field- and Satellite Pour l’Observation de la Terre imagery-based rangeland assessments in 2007 and 2008 indicate that current rangeland biomass is low. Spatial pattern analyses show that the low biomass is uniform throughout the study site. The observed decrease in rangeland biomass might be further accelerated if current grazing land use continues with no formal rangeland management institution or organized, well-structured efforts by the local herding households. 
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2111/.1/REM-D-09-00014.1
    Scopus Count
    Collections
    Rangeland Ecology & Management, Volume 62, Number 6 (November 2009)

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