Ratna Komala, Mieke Miarsyah, Eka Putri Azrai
Tidung Island is one of the major tourist Islands located in the Kepulauan, and has several important areas, one of which is the mangrove ecosystem, which currently has already been degraded from time to time. The aims of this study were to determine the status of organic pollution based on protozoa saprobic index and analyze some of the environmental factors that influence it. Descriptive method with survey design was used in this research. The location of mangrove ecosystem was divided into 3 observation stations and in each station divided into 3 substations which are determined based on the conditions of the mangrove vegetation determined purposively. The data on organic pollution were analyzed descriptively based on saprobic index calculations, while the influence of several environmental parameters on saprobic index analyzed by multivariable statistical based on the Principal Component Analysis (PCA) program. The results show as much as 16 species of protozoa are identified, and the status of pollution in the mangrove ecosystem included in the Beta-Mesosaprobic category or medium polluted waters, while the environmental parameters that have a major influence on organic pollution waters of the mangrove ecosytem at Tidung Island are temperature, pH, turbidity and Biologycal Oxygen Demand (BOD). © 2019, Blue Eyes Intelligence Engineering and Sciences Publication. All rights reserved.
Department of Biology, Faculty of Mathematics and Natural Sciences, Jakarta State University, Indonesia
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