Protected areas such as biosphere, national parks and wildlife sanctuaries in West Bengal face unpredictable pressure of global issues such as environmental degradation, biodiversity loss, climate change and raw material supply. The main principle of declaring an area as national park is the protection and propagating wild life therein and it's environment.
But an unsteadiness in ecological balance and the rate of loss on extinction of species at a dangerous dimension reported from different national parks in WB.
For example, in Gorumara National Park it was noticed that the prohibited human activities like hunting, killing or capturing animals, destruction and collection of plants are still practised. Development of infrastructure e.g. construction of railway tracks, national highways, electrification are also responsible for the loss of biodiversity.
An over expanding human population, rapid urbanisation and industrialisation, pollution and climate change leads to habitat loss, food shortage and a number of other consequences forcing the wild life towards nonexistence.
Conservation of wildlife is the immediate necessity to maintain environmental balance.
To preserve the rich biodiversity opposing to deforestation and poaching the Government of India has developed several national parks, wildlife reserves and sanctuaries across the state making West Bengal a safe heaven to varied species of mammals, reptiles, birds, plants and amphibians.
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