Biotic resources :
- Major biotic resource obtained from the Indian Ocean are plants, marine animals,
fish, pearl etc. - Among plants (vegetation), the major one is phytoplankton which is used in
medicine. - From the point of view of Oyster, the Gulf of Mannar, the Gulf of Kachchh and sea-
shore of Saurashtra are important from where pearl is obtained. Pearl culture is
being developed in Andaman and Nicobar Islands. - Conch shell (shankh ) are found in the coastal areas of Tamil Nadu and Saurashtra.
- Catfish Farming is being done in Tanjore (Tamil Nadu).
- Asia’s largest sea prawn and shrimp farming has been started on Nellore coast in
Andhra Pradesh. - Corals are important marine resources. Efforts for their protection are being done in
Andaman and Nicobar Islands, the Gulf of Mannar and the Rann of Kachchh. - Marine fossils (sea-shell and shale) are obtained from the sea area. They are used in
the cement industry because of more lime content in them. The cement industry in
Dwarika is based on them.