Central Soil and Water Conservation Research and Training Institute Research Center

Chandigarh, India

Central Soil and Water Conservation Research and Training Institute Research Center

Chandigarh, India
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Panwar P.,Central Soil and Water Conservation Research and Training Institute Research Center | Bhatt V.K.,Central Soil and Water Conservation Research and Training Institute Research Center | Tiwari A.K.,Central Soil and Water Conservation Research and Training Institute Research Center | Sharma P.,Central Soil and Water Conservation Research and Training Institute Research Center
Indian Journal of Ecology | Year: 2014

Vegetation manipulation was done in forest micro-watersheds in lower Shivalik region having dry mixed deciduous vegetation. The slope of watersheds varied from 32% to 50%. The watersheds were calibrated for two years followed by removal of 50% crown of trees. Latter shrubs were removed in form of strips at different intensities viz. 30%, 40%, 50% and complete removal. The average per cent runoff for two calibration years varied from 1.24 In MWS 31 to 10.74 in MWS 33. The runoff reduced over a period of time and in 2010 In varied from 0.21 per cent in MWS 31 to 1.66 per cent In MWS 30 of total rainfall. The removal of shrubs, in year 2011 in form of strips, induced the runoff and it varied from 1.3 to 8.39 per cent of the rainfall received. Before thinning the runoff received would not have been sufficient enough to provide one supplementary Irrigation in all watersheds. However, the number of irrigation, after thinning, which can be provided, is about one in MWS 31 to about five irrigation in MWS 34 from three hectare forest watershed depending upon the Intensity of thinning.

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