Q. Consider the following:

1. Coringa Wildlife Sanctuary
2. Krishna Wildlife Sanctuary
3. Chilika Lake

Which of the above is / are known for their significance in mangrove ecosystems?
Answer: 1, 2 and 3
Notes: 1. Coringa Wildlife Sanctuary is India's second-largest mangrove sanctuary, crucial for biodiversity and home to endangered species like the fishing cat. 2. Krishna Wildlife Sanctuary, located in the Krishna estuarine forest, also supports mangrove ecosystems and various wildlife, including fishing cats. 3. Chilika Lake, the largest coastal lagoon in India, is surrounded by mangroves and is a vital habitat for numerous bird species and marine life, playing a key role in the ecosystem. All three sites are for their mangrove ecosystems and contribute to biodiversity conservation.