Abstract

IMPACT OF MICRO-CLIMATIC VARIATION ON FLORAL DIVERSITY OF GARHWAL HIMALAYA ALONG ALTITUDINAL GRADIENTS

Harish Nautiyal, Dr Madhu Thapliyal

001-010

Vol: 1, Issue: 4, 2011

The present investigation on the Altitudinal plant diversity of Garhwal Himalaya (North-West) was carried out to obtain the Vegetational zones and altitude of the Garhwal Himalaya and study the climatic effect on their distribution. For study purpose the Garhwal Himalaya is mainly divisible into three major zones on the basis of the type of vegetation and animal distribution Viz, Submontane, Montane, and Alpine zone. The survey represents the salient features of plants. There are several elements which effect the distribution of floral, such as temperature, humidity, and rainfall etc. With respect to altitudinal range, topography, edaphic or climatic features, phytosocial affinities, faces, location etc, mountainous plants have specific preference. In addition to above impacts of biotic or climatic pressures on plant communities, composition, distribution, & change of habitat (Soil & Climate) are obviously pronounced. Occasional aberration in seraphic or climatic cycles such as high wind impacts, thunder storms, cloud burst, continuous drought, floods, excessive hail storms, fog & frost, landslides change in the course of rivers and rivulets, silting of rivers etc influence the distribution of plant vegetation to great extent. The present study reveals that temperature is the main factors, which effect the distribution of plants community in Garhwal Himalaya.

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