In comparison to other living animal, the man is much more capable to dominant his environment. Man is able to change his environment for his own need. At times, these changes can be harmful for men. More the population is increasing; more the changes are increasing by man. That means, increase in population is continuously influencing on the environment directly. So it is clear that the amount of the land for living in the earth is very low and can not be increase as per mans need. In relation to increase in population, if the number of house, roads, industries, are increasing, than the...

Birbhum district is very much enlightened for his physical and cultural properties. In this district, lateritic soil made different topography which is known as "khoai region". Another important topography is river based flood plain. In western part of this district, basaltic topography is found. The heterogeneity of the landscape, the complexity of the components of the system, the change in the behaviour of populations living in such an environment and the pressure of the habitat resource constraints have a strong effect on organisms in that landscape. This landscape is shaped, maintained...