Idris¹,*, O Johan² , Fakhrurrozi¹ , M P S Widodo^{1 ,} S Yusri¹ and O Sianipar³

¹ Indonesian Coral Reef Foundation (TERANGI), Jalan Asyibaniyah No. 105-106 Pondok Jaya Cipayung, Depok, Jawa Barat 16438, Indonesia ² Balai Riset Budidaya Ikan Hias, Pusat Penelitian Perikanan, Badan Riset dan Sumberdaya Manusia, Kementerian Kelautan dan Perikanan, Depok, Jawa Barat 16436, Indonesia ³ Direktorat Penyelesaian Sengketa Lingkungan Hidup Luar Pengadilan-Kementerian Lingkungan Hidup dan Kehutanan, Jakarta, Indonesia

ABSTRACT

Indonesia as an archipelagic country has a high biodiversity of coral reefs but is very vulnerable to various threats, one of the causes of damage to coral reefs is by ship aground. The damage causes minor injuries to the degradation of the reef structure. The location of the grounding sometimes on the small islands with calm currents, but sometimes in straits with strong currents. However, the assessment must be carried out, so it is necessary to develop an approach to assessing that. The purpose of this study is to assess the damage of coral reefs, to quantify the extent of damage, and identify species of corals affected. The observation used ground truth (underwater photo transect), aerial photography, machine learning, and species distribution modeling. The results obtained from aerial photography show that the MV Pazifik has damage to coral reefs reaching 613.63 m2 . Based on the coral genera distribution model, it was found 35–55 genera (control location), while at the ship aground, were found 3–5 genera. Therefore, the control location is a coral reef ecosystem that is dominated by corals, while at the ship aground it can be the habitat for several hard coral genera.

 

KEYWORDS:

aerial photography; coral reef damage; coral reef ecosystem; genera distribution model; MV Pazifik; ship aground

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 To cite this article: Idris et al 2021 IOP Conf. Ser.: Earth Environ. Sci. 744 012031

*Corresponding author: idris@terangi.or.id

International Symposium on Aquatic Sciences and Resources Management
IOP Publishing
IOP Conf. Series: Earth and Environmental Science 744 (2021) 012031
doi:10.1088/1755-1315/744/1/012031