Consider the following statements:
Which of the statements given above is/are correct?
Statement 1 is correct: The establishment and boundary demarcation of a National Park are carried out through specific legislation, typically under the Wildlife Protection Act, 1972. Any changes to these boundaries require an amendment to the legislative act.
Statement 3 is correct: In a Wildlife Sanctuary, certain human activities, referred to as biotic interference, are permitted to a limited extent. These activities may include grazing, collection of firewood, or tourism, provided they do not disturb the wildlife or its habitat significantly. Such permissions are granted and regulated by the Chief Wildlife Warden.
Statement 2 is incorrect: A Biosphere Reserve is established with the primary objective of conserving large areas of natural habitat, encompassing entire ecosystems and their associated biodiversity, including human populations and their cultural practices. It is not declared to conserve merely a few specific species of flora and fauna. Biosphere Reserves are structured into core, buffer, and transition zones, integrating conservation with sustainable development and research.