Aquatic ecology and Biodiversity

Unit 9- Freshwater environment

9.4.1. Wetlands of India
Wetlands in India are distributed in different geographical regions ranging from Himalayas to Deccan plateau. They are classified into different types based on their origin, vegetation, nutrient status, thermal characteristics, like
• Glaciatic Wetlands (e.g., Tsomoriri in Jammu and Kashmir, Chandertal in Himachal Pradesh),
• Tectonic Wetlands (e.g., Nilnag in Jammu and Kashmir, Khajjiar in Himachal Pradesh, and Nainital and Bhimtal in Uttaranchal),
• Oxbow Wetlands (e.g., Dal Lake, Wular Lake in Jammu and Kashmir and Loktak Lake in Manipur and some of the wetlands in the river plains of Brahmaputra and Indo-Gangetic region. Deepor Beel in Assam, Kabar in Bihar, Surahtal in Uttar Pradesh)
• Lagoons (e.g., Chilika in Orissa)
• Crater Wetlands (Lonar lake in Maharashtra)
• Salt water Wetlands (e.g., Pangong Tso in Jammu and Kashmir and Sambhar in Rajasthan)
• Urban Wetlands (e.g., Dal Lake in Jammu and Kashmir, Nainital in Uttaranchal and Bhoj in Madhya Pradesh)
• Ponds/Tanks, man-made Wetlands (e.g., Harike in Punjab and Pong Dam in Himachal Pradesh)
• Reservoirs (e.g., Idukki, Hirakud dam, Bhakra-Nangal dam)
• Mangroves (e.g., Bhitarkanika in Orissa)
• Coral reefs (e.g., Lakshadweep)
• Creeks (Thane Creek in Maharashtra)
• Seagrasses, estuaries, thermal springs are some kinds of wetlands in the country.