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
Highlights
Seagrass is one of the plants which able to live under the sea
This study examines the relationship of seagrass species distribution as Dugong food source with Dugong sighting in Liki Island
The second method was by interviewing people around Liki Island who carried out activities around the seagrass ecosystem area
Summary
Seagrass is one of the plants which able to live under the sea. Currently there are sixteen species of seagrasses found in Indonesia. Seagrass ecosystem play a role as a source productivity in marine ecosystem to give the ecological function for marine organism and human, including : nursery area for several marine biota (Christianen et al, 2014), source animal protein for coastal communities and sea substrate stabilizing (Koch et al, 2012; Christianen et al, 2013). Seagrass ecosystem plays a role in regulating carbon cycle from the atmosphere (Mcleod et al, 2011). Another role from seagrass ecosystem is as a food source for marine biota, it is very important in supporting the sustainability of marine biota (Christianen et al, 2014; Kawaroe et al, 2016a).
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