PREVALENCE OF DISEASES AND HEALTH DISORDERS CORAL IN SERIBU ISLANDS

Abstract

Seribu Islands receive a lot of pressure from the surrounding environment, both biological and anthropogenic factors. This condition can affect the life of biota in the waters and its surroundings, one of which is coral reefs. This study aims to analyzed the condition of coral reefs and the prevalence of diseases and compromised health in coral reefs in the Seribu Island. The study was conducted at 6 stations, covering Air Island (East), Semak Daun Island (South), Karang Beras Island (East), Kotok Besar Island (South), Kotok Kecil Island (North), and Karang Congkak Island (East) applied the Underwater Photo Transect (UPT). Data were collected in shallow water with a depth of 3-5 meters. Coral reef lifeform data were processed used CPCe 4.1 software. The condition of coral reef cover at the research station is in moderate to good condition. The dominated coral life forms was different at each research station include foliose, branching, submassive and massive. Coral diseases found at research stations include Black Band Disease (BBD), White Syndrome (WS), and Ulcerative White Syndrome (UWS) as well as other categories of coral compromised health, namely Bleaching (Bl), Pigmentation Response (PR), Sediment Damage (SD), Predation (Pr), and Growth Anomalies (GA). The highest overall prevalence of disease and compromised health was found at Pulau Air (17.99%) and Kotok Besar (17.46%) stations. Sediment damage was the most common coral disease and compromised health in all research stations. There was a weak relationship between live coral cover and prevalence of coral disease.