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    Variation of botanical composition, forage production and nutrient values along a grassland degradation gradient in the alpine region of Qinghai-Tibet Plateau

    Wen L1, SK Dong1, YY Li1, C Pulver2, XY Li1, JJ Shi3, YL Wang3, YS Ma3, DM Liu4

    Phyton-International Journal of Experimental Botany, Vol.82, pp. 45-54, 2013, DOI:10.32604/phyton.2013.82.045

    Abstract The alpine grassland in the Qinghai-Tibet Plateau is an extensive rangeland ecosystem sustaining a sparse population of traditional nomadic pastoralists in China. However, global climate change and anthropologic disturbances have severely degraded the alpine grasslands, and the consequences of this degradation are largely unknown. Forage is the only food source for livestock in the alpine region, and livestock is the major income source for nomadic herders. Therefore, it is critical to assess the forage quantity and quality along the current grassland degradation gradient. In this study, we examined the botanical composition, biomass of different functional groups, and forage grass nutritive… More >

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