2018•Journal of Pharmacognosy and PhytochemistryOpen access
Dominance and distribution pattern of traditional agroforestry trees in Garhwal Himalayas
Animesh Kanaujia, Sameer Daniel, Puja Kishore, Azad Kumar Singh, Mohit Patel
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Abstract
India has a long tradition of agroforestry. Farmer and land owners in different parts of the country integrate a variety of woody perennials in their crop and live stock production fields depending upon the agro-climatic conditions and local needs. From the Himalayan region, which is one zone of India, a number of traditional agroforestry have been documented from Himachal Pradesh and Uttarakhand have identified three most extensively practiced agroforestry system in H.P.; Similarly these practiced also be done in Uttarakhand are agri-silviculture, agri-horticulture, and agri-horti-silviculture. The study was conducted in Srinagar valley of District Garhwal. Within study areas, 6 villages were randomly selected for the purpose of study. In each study area 10 x 10 mquadrate were laid down to gain the quantitative information. For the phytosociological analysis of agroforestry trees of each village, ten quadrates each of 10 x 10 m were laid out randomly. Frequency, density and basal area for each species were calculated as per Curtis Mc. Intosh (1950), where as relative values were calculated as per Curtis (1959). Other information related to agroforestry tree and their uses was also collected from the local in habitants of the study villages. Between the traditional agroforestry and boundary plantations systems, the average total carbon in traditional agro forestry system was 32.56 t /ha where as in the boundary plantations system it was reported 20.24 t/ha. The tree components in agro forestry systems can be significant sinks of atmospheric C because of their fast growth and high productivity. In agro forestry systems mixed stand of trees considered to be more efficient than sole stands in carbon sequestration. Between these systems the carbon sequestrations per unit area can also be enhanced by proper management practices. In the boundary plantations system trees are normally felled in the age of 10-12 years period for economic benefits.