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De Iongh, Hendrik Huibert; Wenno, Bob J.; Bierhuizen, Barbara; Van Orden, Belinda
(detail)
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1995 |
Aerial survey of the dugong (Dugong dugon Müller, 1776) in coastal waters of the Lease Islands, East Indonesia.
Austral. Jour. Mar. Freshwater Res. 46(4): 759-761. 2 figs.
–Surveys in 1990 and 1992, totaling 3.5 hours of observation, sighted 5-11 dugongs per survey hour and resulted in a minimum population estimate of 22-37 animals, presumably part of a larger regional population.
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De Iongh, Hendrik Huibert; Bierhuizen, Barbara; Van Orden, Belinda
(detail)
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1997 |
Observations on the behaviour of the dugong (Dugong dugon Müller, 1776) from waters of the Lease Islands, eastern Indonesia.
Contributions to Zoology (Amsterdam) 67(1): 71-77. 2 tabs. 2 figs.
–French summ. Describes feeding behavior (including ?cultivation grazing of Halophila ovalis, foraging in rough water, making multiple feeding tracks per dive, and possibly eating lingulid brachiopods and Sipunculus sp.); diving times and behavior, including longer dives in deeper water (up to 10 m); and responses to boats and divers.
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