The phenomenon of harmful algal blooms (HABs) in the Lampung Bay has been reported by many researchers. The occurrence of HABs may be due to the increase of nutrient (N and P) as results of waste water of aquaculture (shrimp farms, hatcheries and fish cage farms). This study aim to determine the relationship between N and P concentrations in some aquaculture sites with harmful algal blooms. The analysis revealed the differences concentration of N and P at each different shrimp farms and fish cage farms sites (Hurun, Sidodadi, Ringgung, and Cikunyinyi Bay). The result showed that the increase of N and P concentration were followed by the increase of harmful phytoplankton populations. High density HABs were found in this study, such as: Ceratium furca with the highest density at 5.314x106 cells l-1, Trichodesmium erithraeum 1.05x105 cells l-1 and Noctiluca scintilans 5.99x104 cells l-1. The Multiple regression and canonical corelation analysis (CCA) also indicated a strong positive relationship between N and P with the HABs at the shrimp farms and fish cage farms sites in the Lampung Bay. Keywords: phytoplankton, harmful, nutrients, Lampung bay

Published by Universitas Indonesia
Journal Name MAKARA of Science Series
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Location Kota depok, Jawa barat INDONESIA
Website science| http://journal.ui.ac.id/index.php/science|
ISSN ISSN : 23391995, EISSN : 23560851, DOI : 10.7454,
Core Subject Science,
Meta Subject Biochemistry, Genetics & Molecular Biology, Chemistry, Earth & Planetary Sciences, Materials Science & Nanotechnology, Physics,
Meta DescMAKARA Journal of Science publishes high quality research on fundamental science and provides a broad-based forum for the information sharing of ongoing research and development in science. Topics covered include physics, chemistry and biology. All submitted manuscripts will be subjected to the peer review process following a thorough inspection by the editors. Makara Journal of Science is the successor to the "MAKARA of Science Series" and "Makara Sains", which have been published since 1997. Starting from 2014, the journal has been periodically published four times a year (March, June, September, and December).
PenulisQadar Hasani , Enan Mulyana Adiwilaga , Niken Tunjung Murti Pratiwi
Publisher ArticleDirectorate of Research and Community Engagement, Universitas Indonesia
Subtitle Article Makara Journal of Science Vol 16, No 3 (2012): Desember
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