000032328 001__ 32328
000032328 041__ $$aEnglish
000032328 100__ $$aQamer, F.
000032328 245__ $$aAn Assessment of Productivity Patterns of Grass-Dominated Rangelands in the Hindu Kush Karakoram Region, Pakistan
000032328 260__ $$c2016
000032328 300__ $$a961
000032328 507__ $$aFaisal Qamer, Wu Ning, ICIMOD staff, peerreviewed, HKPL
000032328 520__ $$aRangelands in the Hindu Kush Karakoram region provide a resource base for nomadic livestock grazing, which is one of the major traditional livelihood practices in the area. The present study assessed the spatiotemporal patterns and trends of rangelands using satellite remote-sensing time-series data. Moderate resolution imaging spectroradiometer (MODIS)-based normalized difference vegetation index (NDVI) data, collected at fortnightly intervals over 12 years (2001–2012), were used as a proxy for the vegetation conditions of the grasslands. The analysis revealed that rangeland productivity increased with increasing elevation up to the sub-alpine zone, which had a higher productivity than the moist temperate zone and humid sub-tropical zone. The high sub-alpine productivity was attributed to seasonal amplitude and the extended length of the growing season in the phenological cycle. In the temporal analysis of productivity, the majority of the area exhibited improvements in vegetation conditions, which were strongest in the humid sub-tropical zones and weakest in the alpine zones. The sub-alpine grasslands were found to be the most productive and heterogeneous habitat; however, the relatively strong negative temporal trend in productivity in this zone indicates ongoing degradation in these rangelands. Thus, special attention is needed for the sustainable management of rangelands in the sub-alpine zones of the Hindu Kush Karakoram region.
000032328 653__ $$aRemote Sensing
000032328 653__ $$aTime-Series Analysis
000032328 653__ $$aRangelands
000032328 653__ $$aLand Degradation
000032328 653__ $$aHindu Kush
000032328 653__ $$aKarakoram
000032328 700__ $$aXi, C.
000032328 700__ $$aAbbas, S.
000032328 700__ $$aMurthy, M.
000032328 700__ $$aNing, W.
000032328 700__ $$aAnming, B.
000032328 773__ $$pSustainability
000032328 773__ $$v8 (9)
000032328 8564_ $$uhttp://www.mdpi.com/2071-1050/8/9/961$$yExternal link (open access)
000032328 8564_ $$uhttp://lib.icimod.org/record/32328/files/sustainability-08-00961-v2.pdf
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000032328 980__ $$aARTICLE