The Himalaya: Environment, Economy, and Society

activities agricultural altitude basin blocks causing cent Central centres climate communication cover crops cultivation cultural Darjeeling decades distribution district diversities east eastern ecological economic environment environmental erosion existing forest further Garhwal geographical groups growth of population growth rate higher hill areas Himalaya Himalayan regions human important increased India industries Kashmir land Little living located lower major mountain Name natural needs North observed pattern percentage period physical places plains planning plants points police stations present problems range Rangit sub-basin relief resulting river road rocks rural scale settlements share shows Sikkim Siliguri Siwalik slopes social society soil Source species sub-basin sub-regions Table taken terrain timber tion tourism towns types University urban valley various vegetation village West Bengal western zone