Muhammad Adifian Latif, - and Amar Ma’ruf, - and Erma Safitri, - and Yeni Dhamayanti, - and soeharsono, - and Boedi Setiawan, - Implementation of fotogrametry techniques as body mass estimation of indo-pacific bottle nose dolphin (Tursiops aduncus) in bali dolphin lodge. Ecology, Environment and Conservation, 26. pp. 337-342. ISSN 0971-765X

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Abstract

This study was aimed to estimate the body mass of Indo-Pacific bottlenose dolphins through photogrammetric techniques. Dolphins are animal listed in Appendix 2 according to Convention on International Trade in Endangered of Wild Fauna and Flora (CITES), which must be considered for its sustainability. Poor management of dolphins will causes stress. Morphometrics measurements need to be done to see the body condition of the dolphin. The data used are Indo-Pacific bottlenose dolphins that are captived in the Bali sea under professionally managed care. Dolphins are photographed with lateral and ventral position. Photographs result will be measured at a lateral position with lateral lengths, L1, L2, L3, and L4. Measurement at the ventral position are ventral lengths, D1, D2, D3, and D4. The measurement data obtained by reading with ImageJ then calibrated and analyzed with simple linear regression. From the results of regression analysis of dolphins weighted in the lateral position with L2 has a value (R2 = 0.984) and lateral position with D2 (R2 = 0.958).

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