Nesting of Olive Ridley Turtles at Chavakkad Beach

Nesting of Olive Ridley Turtles at Chavakkad Beach

and big trevally in extremely fresh condition, fetches stock. Also with prevalent low concern about diving high price from the nearby star hotels at Kovalam safety, several divers carrying a loaded spear gun which in turn provides further income to the fishers. in a restricted area during the peak seasons can be Harpooning or spear fishing is restricted mainly to sport potentially dangerous. This adventurous fishing activity, fishing in most of the countries. Often, the fishermen needs to be focused and developed as a sport with selectively target the biggest fish they can find, which proper guidelines for safety of the sports fishermen often will be the brooders whose excessive removal as well as the fishermen community who guide and can affect the reproductive potential of that particular conduct these programmes. Fig.1. A spear gun operated along Kovalam coast Kaleidoscope Nesting of Olive Ridley turtles at Chavakkad Beach Sujit Sundaram* #Mumbai Research Centre of ICAR-CMFRI, Mumbai - 400 061, Maharashtra *E-mail: [email protected] #Technical Officer (Retd.) There are several reports on the nesting of Olive ridley covering the same wit sand again, returns to the sea. It turtles, Lepidochelys olivacea from the east coast of India was found that jackals and stray dogs were digging the and the Andaman Islands but similar reports for the west nests and devouring the eggs disrupting the recruitment coast of India are scanty. Every year Olive ridley turtles of these turtles. Hence, volunteers of Green Habitat, nest during November to March with important sites an NGO committed to conservation, built a hatchery being Panchavadi, Edakkazhiyur and Akalad beaches which was also used for education and public awareness along Chavakkad coast in Kerala. The turtles come to the programmes on turtle conservation. The collected eggs shore during night time to lay their eggs in pits created were transferred to this hatchery. During the breeding by scraping out sand with its hind flippers and after season of 2017-18, ten nests were saved from these three ICAR-Central Marine Fisheries Research Institute 30 nesting sites in Chavakkad. The clutch size varied from district. Olive Ridley turtles are categorized as Vulnerable 40 to 129 eggs and the eggs hatched after 45-50 days. on the IUCN Red List (IUCN, 2010) and are included in Out of 1025 eggs that were saved, 490 eggs hatched. Schedule-I of the Indian Wildlife (Protection) Act, 1972. Local people, fishermen, students. were invited when To protect these turtles, use of trawlers and fishing nets the baby turtles were released in to the sea (Plate 3). during mating and nesting season should be regulated In Kerala turtle nesting has been reported from Puthen and awareness among fishermen should be created to Kadappuram beach and Palapetty beach in Thrissur release the accidentally caught turtles back into the sea. Marine Fisheries Information Service Technical & Extension Series No. 236, 2018 31.

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