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Title: Beach dynamics and impact of armouring on olive ridley sea turtle (Lepidochelys olivacea) nesting at Gahirmatha rookery of Odisha coast, India
Authors: Behera, Satyaranjan
Tripathy, Basudev
Sivakumar, K.
Choudhury, B.C.
Keywords: Olive ridley;Arribada;Wheeler Island;Nesting beach;Armouring;Erosion;Cement Tetrapod;Odisha
Issue Date: Feb-2016
Publisher: NISCAIR-CSIR, India
Abstract: Gahirmatha arribada beach are most dynamic and eroding at a faster rate over the years from 2008-09 to 2010-11, especially during the turtles breeding seasons. Impact of armouring cement tetrapod on olive ridley sea turtle nesting beach at Gahirmatha rookery of Odisha coast has also been reported in this study. This study documented the area of nesting beach has reduced from 0.07 km2to 0.06 km2. Due to a constraint of nesting space, turtles were forced to nest in the gap of cement tetrapods adjacent to the arribada beach and get entangled there, resulting into either injury or death. A total of 209 and 24 turtles were reported to be injured and dead due to placement of cement tetrapods in their nesting beach during 2008-09 and 2010-11 respectively. Olive ridley turtles in Odisha are now exposed to many problems other than fishing related casualty and precautionary measures need to be taken by the wildlife and forest authorities to safeguard the Olive ridleys and their nesting habitat at Gahirmatha.
Page(s): 233-238
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.45(02) [February 2016]

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