Study of Coral Reef Ecosystem Vulnerability using Sediment Transport Modeling in Bungus Bay, West Sumatera

Ibnu Faizal, Nita Yuanita

Abstract: Bungus Bay has many functions such as harbour, tourism, jetty, local fisheries, and power plant. One of the effect of many functions of Bungus Bay is sedimentation. Sedimentation in Bungus Bay distruption its Ecosystem, Coral Reef Ecosystem. Sedimentation Modelling is using to find out how much sediment concentration (SSC) and sediment transport happens in Bungus Bay. Using sedimentation data, Vurneralbility of Coral Reef Ecosystem in Bungus Bay can be determined. The Result is from 1404.27 ha area of Bungus Bay, 164.73ha is categorized suitable for Coral Reef Ecosystem, 809.55 ha moderate, and 429.99 ha not suitable.

Keywords: sediment, modelling, vulnerability, coral reefs