INTRODUCTION
India ranks sixth under world's twelve mega bio-diversity zones. Out of these, two ofthem exist in our country. India possesses tremendous ecological bio-diversity. Itcontains 5 % of the world's bio-diversity on 2 % of the earth's surface. Thebiodiversity in our country is unique in nature and its in-situ and ex-situ conservationis very well needed. In recent years, the global demand of herbs has led to a quantumjump in volume of medicinal plants traded within and across the countries. Themedicinal plants have been identified as one of the most important plant diversities for rural development. The use of plants as medicine is as old as human civilization itself.
India is home to about 15000 to 18000 of flowering plants of which about 8000 plant species are recognized as medicinal plants and are being used by various traditional systems of medicine.
The biodiversity in our country is unique in nature and its in-situ and ex-situ conservation is very well needed. In recent years, the global demand of herbs has led to a quantum jump in volume of medicinal plants traded within and across the countries. The medicinal plants have been identified as one of the most important plant diversities for the rural development.
NEED FOR CONSERVATION
According to World Conservation Strategy (IUCN, UNEP and WWF, 1980) conservation is defined as " the management of human use of the biodiversity so that it may yield the greatest sustainable benefit to the present generation while maintaining its potential to meet the needs and aspirates of future generations"
The forest areas in the state of Uttar Pradesh are very rich in variety of medicinal plant species particularly in the Vindhyan region where various medicinal plants grow naturally. According to Planning Commission Report (2000) the primary goal of biodiversity conservation as envisaged in World Conservation Strategy is