dugongs in palau - C3

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The National Biodiversity Strategy and Action Plan (NBSAP) development has recently restarted after being stalled for over a year. The results of this project will feed into that planning process. • Criteria for considering the impacts of proposed development projects need to be developed and all relevant project Environmental Impact Statements must address potential impacts on dugong habitat, as required by RPPL No. 6-28. • Koror State should consider controls on boat traffic speed in and outside Ngel Channel (adjacent to Ngedererrak Reef). Dugong Life History, Status and Management 6. The responsibility for dugong research, assessments and management should be progressively transferred to the Bureau of Marine Resources. • As the capacity of the BMR’s current turtle project, and proposed crocodile project are developed, these projects (turtle, crocodile) should be combined and a dugong component added, and the projects should be progressively integrated into a “vulnerable species” program. Support (personnel, training and funding) will need to be provided to BMR. • A coordinating committee, with representatives from the key national and state government agencies and the NGOs, should be established to coordinate activities related to dugongs, turtles, and crocodiles. BMR should be the secretariat for this committee. 7. Information on dugong distributions and status should be continued. (Responsible agency: Bureau of Marine Resources, with support from Palau Conservation Society) • The incidental sightings system should be continued and progressively transferred to the Bureau of Marine Resources. The incidental sightings form is currently under review and may require revising as soon as the review is completed. • Future aerial surveys should be undertaken, but limited to a maximum of once every tens years (next survey in 2013), and only if specific funding is identified for the surveys that does not detract from other higher priority conservation activities. The methods should be as close as possible to those undertaken in 1991, 1998, and 2003. 8. Efforts should continue to collect information from dugong necropsies. (Responsible agency: Bureau of Marine Resources, with support from Division of Fish and Wildlife Protection and Palau Conservation Society) • Morphological measurements, stomach and DNA samples should be collected from all dead dugongs. When and wherever possible, reproductive organs should be removed from carcasses and sent for analysis (currently James Cook University is willing to accept samples for analysis). • Training of BMR staff, and supporting agencies, will be required, as there are currently very few people in Palau with the knowledge required to conduct dugong necropsies. 35
7. REFERENCES Anderson, P.K. (1986) Dugongs of Shark Bay, Australia – Seasonal Migration, Water temperature, and Forage. National Geographic Research 2 (4): 473-490 (1986). Anderson, P.K. (1998) Shark Bay Dugongs (Dugong dugon) in Summer. II: Foragers in a Halodule- Community. Mammalian 62 (3):409-425. dominated Anderson, P.K. (1989) Observations of Mating Behavior in Dugongs (Dugong dugon). Marine Mammal Science 5(4): 382-387, October 1989. Aragones, L.V. (1994) Observations on Dugongs at Caluit Island, Busuanga, Palawan, Philippines. Wildlife Research 21: 709-717. Asano, N. (1938) [On the dugong of Palao I.] Bot. And Zool., 6(7):37-41 [in Japanese]. Brownell, R.L., Anderson, P.K, Owen, R.P, and Ralls, K. (1981) The Status of Dugongs at Palau, an Isolated Island group in The Dugong: Proc. Seminar/Workshop At James Cook University of North Queensland, 1979, ed. H. Marsh, James Cook University of North Queensland, Townsville, Australia, pp 11-23. Caughley, G. and Gunn, A. (1996) Conservation Biology in Theory and Practice. Blackwell Science, U.S.A. Davis, P. (2002) Unpublished data from seagrass surveys in the Malakal Harbor area, Palau, 2002-2003. Dav is, P., Kearns, C. and Arthur, K (2003) Unpublished data from dugong stomach contents analyses, Palau. Dav is, P. and Edward, M. (2003) Unpublished information from interviews with local fishermen, Palau. De Iongh, H.H., Wenno, B., Bierhzen, B., and van Orden, B.(1995) Aerial Survey of the Dugong (Dugong dugon Muller 1776) in the Coastal Waters of the Lease Islands, East Indonesia. Journal of Marine and Freshwater Research 46: 759-761. Col in, P.., Coral Reef Research Foundation, personal communication, 2003. Eros, C. , Marsh, H, Bonde, R., O’Shea, T., Beck, C., Recchia, C, and Dobbs, K. (2000) Procedures for the Salvage and Necropsy of the Dugong, Dugong dugon. Great Barrier Marine Park Authority Research Publication No. 64, April 2000. Fortes, M. (1984) Ecological Assessment and Cultivation of Seagrasses at Bolinao Bay for Biomass Production. NRCP Research Bulletin 39: 60-112. Husar, S. (1975) A Review of the Literature of the Dugong, (Dugong, dugon). USDI Fish & Wildlife Service Wildlife Research, Report 4: 1-30. Idip, D. (2003) Dugong Habitat Assessment in Palau. Report submitted to The Nature Conservancy, Palau, September 2003. Palau International Coral Reef Center. 22 pp. IUCN ( 1990) 1990 IUCN Red List of Threatened Animals. IUCN, Gland. 36
Page 1 and 2: current status of knowledge of dugo
Page 3 and 4: ACKNOWLEDGMENTS I would like to ack
Page 5 and 6: EXECUTIVE SUMMARY This report summa
Page 7 and 8: Palau Ι 0 7º 20' N W ESTERN P ACI
Page 9 and 10: Incidental sightings system: The Pa
Page 11 and 12: Flight Route 1 (flown 10-Mar-03) Fl
Page 13 and 14: Year: 1977 1 1978 1 1983 2 1991 3 1
Page 15 and 16: XII XI IV V VI III VII II IX VIII X
Page 17 and 18: have been any drastic changes in ca
Page 19 and 20: 2.4 Additional Information The foll
Page 21 and 22: Ngeremlengui Ngchesar Ngiwal Large
Page 23 and 24: Present use The majority of intervi
Page 25 and 26: Reported sightings Prior to the est
Page 27 and 28: Preliminary surveys The sel ected s
Page 29 and 30: Figure 11: Transects for Ngesekesau
Page 31 and 32: Syringo dium isoetifolium, and Halo
Page 33 and 34: isoetifolium, and H. uninervis. The
Page 35 and 36: 4.4 Additional Information Diet In
Page 37 and 38: 6. RECOMMENDATIONS 6.1 Update on Ma
Page 39: • Through a reward system, member
Page 43 and 44: PCS (2003) National Biodiversity St

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