Variations and Condition of Coral Lifeforms in the Coastal Area of Rendani Airport, Manokwari, Indonesia

Malyon Wanma; Jemmy Manan; Frida A Loinenak; Duaitd Kolibongso

doi:10.46252/jsai-fpik-unipa.2022.Vol.6.No.2.214

Authors

Malyon Wanma Marine Science Department, Faculty of Fisheries and Marine Science, UNIPA, Jalan Gunung Salju, Amban, Manokwari, Papua Barat, 98314, Indonesia
Jemmy Manan Marine Science Department, Faculty of Fisheries and Marine Science, UNIPA, Jalan Gunung Salju, Amban, Manokwari, Papua Barat, 98314, Indonesia
Frida A Loinenak Marine Science Department, Faculty of Fisheries and Marine Science, UNIPA, Jalan Gunung Salju, Amban, Manokwari, Papua Barat, 98314, Indonesia
Duaitd Kolibongso Department Marine Science, University of Papua

DOI:

https://doi.org/10.46252/jsai-fpik-unipa.2022.Vol.6.No.2.214

Keywords:

Coral cover, lifeform, Manokwari, Rendani

Abstract

Coral reefs are unique ecosystems and only occur in the tropics area. Diversity, distribution, and coral growth are influenced by environmental factors. Coral colonies morphologies or coral lifeform rates vary significantly between species and between environmental factors. This study aimed to determine the variations of hard coral based on their lifeform; and assess the condition of reefs by measuring the percent cover of live coral in the coastal area of Rendani Airport. Coral cover and coral damage data gathering used a survey approach with Point Intercept Transect (PIT) method. The results showed the variations of coral lifeform in the coastal area of Rendani was relatively low, as indicated by the absence of some coral lifeforms in the study site. The most variation lifeform was found at 7m depth with five lifeforms, while the lowest was found at 3m depth with three lifeforms. The live coral cover reached 77,66% at station 1 and 75,00% at station 2, and the lowest coverage was 11,33% at station 3. The highest average of rubble at station 1 at 4.33% and dead coral with algae was found to be highest at station 3 at 8.00%.

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