Relationship of Distribution Seagrass Species with Dugong (Dugong dugon) Sighting at Liki Island-Papua

Aditya Hikmat Nugraha, Ilham Antariksa Tasabaramo, Udhi E Hernawan, Susi Rahmawati, Andri Irawan, Juraij Juraij, Muta Ali Khalifa, I Wayan Eka Dharmawan, Risandi Dwirama Putra, Devia Hartono Puteri

Abstract


Dugong dugon is a herbivorous marine mammal. One of Dugong's favorite foods is seagrass. This study examines the distribution of seagrass species to dugong sighting in Liki Island. The study was conducted in November 2018. Observation of seagrass conditions was carried out using a line transect method and a 50x50 cm transect with a distance interval between 10 m plots. Interviews were also conducted with the community to find out the location of Dugong presence in Liki Island. There are seven species of seagrass found in Liki Island :Enhalus acoroides, Cymodocea rotundata, Thalassia hemprichii, Halophila ovalis, Halodule uninervis, Halodule pnifolia and Syringodium isoetifolium spread over four observation stations. The results showed that  Dugong in Liki Island is often found during the eastern season, they often appear in seagrass ecosystem area to do eating activities. Dugong is often found in the eastern part of Liki Island (Station 4) and sometimes also found in the western part of Liki Island (Station 3).

Keywords:biodiversity,Dugong dugon, liki, papua, seagrass


Full Text:

PDF

References


Christianen, M.J.A., Van Belzen, J., Herman, P.M.J., Van Katwijk, M.M., Lamers, L.P.M., Van Leent, P.J.M., Bouma T.J. 2013. Low-Canopy Seagrass Beds Still Provide Important Coastal Protection Services. PLoS ONE. 8 (5): e62413.

Christianen, M.J.A., Herman, P.M.J., Bouma T.J, Lamers, L.P.M, Van Katwijk, M.M., Van der Heide, T., Mumby, P.J., Silliman, B.R., Engelhard S.L., Van de Kerk, M., Kiswara W., Van de Koppel, J. 2014. Habitat collapse due to overgrazing threatens turtle conservation in marine protected areas. Proceeding of The Royal Society. B. 281, 20132890.

De Iongh, H., H., B., Bierhuizen, and B., Van, Orden (1997). Observations on the behavior of the dugong Dugong dugon (Müller, 1776) from waters of the Lease Islands, Eastern Indonesia, Contrib. Zool. 67(1), 71-77.

Juraij, Bengen, D.G., Kawaroe, M. 2014. Keanekaragaman jenis lamun sebagai sumber pakan Dugong dugon pada desa Busung Bintan Utara Kepulauan Riau. Omni akuatika.13(9):71-76.

Juraij. 2016. Hubungan fungsional sebaran jenis lamun dengan kemunculan Dugong dugon di Pulau Bintan (Desa Pengudang dan Busung) Kepulauan Riau. Thesis: Institut Pertanian Bogor.

Kawaroe, M., Nugraha, A.J., Juraij. 2016a. Ekosistem Padang Lamun. Bogor: IPB Press.

Kawaroe, M., Nugraha, A.H., Juraij, Tasabaramo, I.A. 2016b. Seagrass biodiversity at three marine ecoregions of Indonesia: Sunda Shelf, Sulawesi Sea, Banda Sea. Biodiv. 17(2): 585-591.

Koch, E.W, Booth, D.M, Palinkas, C. 2012. Seagrasses and the ecosystem service of shoreline protection (or is it sediment stabilization?). In: Creed, J.C., & Oigman Pszczol, S.S. (Eds.), Proc. 10th Int. Seagrass Biology Workshop (ISBW10), 25–30 Nov. 2012. Armac¸ ão dos Búzios, Brazil. Instituto Biodiversida de Marina, Rio de Janeiro, Brazil, 108 hlm.

Marsh, H., Grayson, J., Grech, A., Hagihara, R., & Sobtzick, S. (2015). Re-evaluation of the sustainability of a marine mammal harvest by indigenous people using several lines of evidence. BIOC, 192, 324–330.

Mcleod, E., Chmura, G.L, Bouillon, Salm, R., Björk, M., Duarte, C.M., Lovelock, C.E., Schlesinger W.H & Silliman, B.R. 2011. A blueprint for blue carbon: toward an improved understanding of the role of vegetated coastal habitats in sequestering CO2. Front. Ecol. Environ. 9:552–560.

McKenzie, L.J., Yoshida, RL. 2009. Seagrass-Watch: Proceeding of workshop for monitoring seagrass habitats in Indonesia. The Nature Conservancy, Coral Triangle Center, Sanur, Bali. 9th May 2009. Seagrass-Watch HQ, Cairns.

Mukai, H. Aioi., Lewmanomont, K., Matsumasa, K., Nakaoka, M., Nojima, M., Supanwanid, S., Suzuki, C.T., Toyohara, T. 1999. Dugong grazing on Halophila beds in Haad Chao Mai National Park, Trang Province, Thailand - How many dugong can survive? Proceedings of Grazing and Disturbance by Dugongs and Turtles on Tropical Seagrass Ecosystems. Ocean Research Institute, the University of Tokyo.pp.239-254.

Nugraha AH, Bengen DG, Kawaroe M. 2017. Physiological response of Thalassia hemprichii on antropogenic pressure in Pari Island, Seribu Islands, DKI Jakarta.Ilmu Kelautan.22(1):40-48.

Preen A.1995. Diet of dugons: Are they omnivores?.J Mammals 76(1):163-171.

Sheppard, J. K., Preen, A. R., Marsh, H., Lawler, I. R., Whiting, S. D., & Jones, R. E. (2006). Movement heterogeneity of dugongs , Dugong dugon ( Müller ), over large spatial scales. 334, 64–83.

Short,F., Carruthers ,T., Dennison, W., Waycott M. 2007. Global seagrass distribution and diversity: A bioregional model. J Exp Mar Bio Eco.350: 3-20.

Tol,S.J., Coles,R.G.,Congdon, B.C.2016. Dugong dugon feeding in tropical Australian seagrass meadows: implications for conservation planning. PeerJ4:e2194.




DOI: http://dx.doi.org/10.20884/1.oa.2019.15.2.730

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

Lisensi Creative Commons

Omni-Akuatika by Fisheries and Marine Science Faculty - Jenderal Soedirman University is licensed under the Creative Commons Attribution 4.0 International License.