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Forest Cover Change Detection Using Remote Sensing and GIS – A Study of Jorhat and Golaghat District, Assam*

Assam is known for its extensive forest areas and availability of rich floras and faunas besides other valuable forest products. As per information available from the State Forest Department, the total area under forests in Assam was 26,781.91 Sq. km. at the end of March 2003, out of which 15,492.329 sq. km. was under Reserved Forests and 2,860.942 Sq. Km. under Protected Forest Area. Thus, the Forests area constitutes about 34.14 percent of the total geographical area of Assam. The forests products of the State mainly comprised of industrial wood, fuel wood, bamboo, stone, thatch, cane, sand etc. The State Government from its various Forest products earns a good amount of revenue. The importance of Forestry lies not only with its productivity but also in its capacity to prevent soil erosion. The State Government has therefore continued to impose ban on indiscriminate felling of trees in the State. The comparative study from Survey of India Topographical Map, 1974 and LISS-III 1D, 2005 of two districts of Assam namely Jorhat and Golaghat, it is very clear that there is substantial decrease in the Reserve Forest Area. Dayang Reserve forest is totally vanished by encroachment, same is the condition of Nambar, Holongapar and Disai Valley Reserve Forest where the crown coverage now is less than 40 percent of the total Reserve Forest Area. The total reserve forest area of Jorhat and Golaghat district during 1974 and 2005 is 458.8 sq km and 176.68 sq km respectively.



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Keywords: Reserve Forest, Protected Forest, LISS III, Encroachment

ISSN: 2324-6995

EISSN: 2324-7029


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