Biodiversity Conservation Methods

In situ conservation protects species in the areas where they naturally occur. This method allows organisms to continue adapting, reproducing, migrating, and engaging in ecological interactions under real environmental conditions.

Major Forms of In Situ Conservation:

1. National Parks: Strictly protected areas for wildlife and ecosystems; human interference is highly restricted.
2. Wildlife Sanctuaries: Protected areas where wildlife is conserved, though limited human activities may be allowed under regulation.
3. Biosphere Reserves: Large protected regions designed to conserve biodiversity while also supporting sustainable use in some zones.
4. Sacred Groves: Small forest patches protected by local communities because of cultural or religious beliefs.
5. Biodiversity Hotspots: Highly diverse and threatened regions that receive special conservation attention.

India is part of three major global biodiversity hotspots.

Ex situ conservation is used when a species becomes too endangered in the wild or when reproduction and survival need special protection. It is especially useful for rare, threatened, or commercially valuable species.

Major Forms of Ex Situ Conservation:

1. Zoos: Maintain and breed wild animals under protected conditions.
2. Botanical Gardens: Preserve and display rare and useful plant species.
3. Seed Banks: Store seeds for future cultivation and species recovery.
4. Gene Banks: Preserve genetic material for long-term use in breeding and restoration.
5. Tissue Culture: Enables the multiplication of plants from small tissue samples under sterile conditions.
6. Cryopreservation: Stores sperm, ova, embryos, seeds, or tissues at very low temperatures for future use.
7. Captive Breeding: Helps increase the population of endangered animals before possible reintroduction into nature.