Identification of coral recruitment in Lembongan Island, Nusa Penida, Bali

Abstract

Coral recruitment is the increasing number of individual coral in reef ecosystems. Coral recruitment is generated from generative reproduction that produces coral planula and migration.The success of coral recruitmen is determined by environmental factors. Coral recruitment beneficial are survived from environmental impact, maintaining the potential for recovery and reproduction. Lembongan Island coral reefs are categorized as fringing reef as coral reefs live along the coast and surround the island. Coral reef Lembongan Island is the main environmental carrying capacity for the life of this island. The coral reef of Lembongan Island bioeconomically serves as a tourism object and fishery area. The aim of this research is to know the species, abundance, and survival of coral planula. The research was conducted in Lembongan Island, Bali in 2015 until 2016. The research method is manta tow survey, line intercept transect and coral recruitment. Research shows the coral reefs condition of Lembongan Island in medium to excellent category. Recruitment of coral attached to the substrate consists of Acropora millepora, A. palifera, A. tenuis, Fungia fungites, Montipora digitata, Pocillipora damicormis, Porites sp, Seriatophora hysterix, and Stylophora pistillata. The numbers of individual coral in 2015 are 63 individuals and in 2016 are 50 individuals.