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All Journal Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology
Supriharyono Supriharyono
Departement of Aquatic Resources, Faculty of Fisheries and Marine Science,Universitas Diponegoro, Semarang, Indonesia
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NITROGEN CONCENTRATION IN CORAL REEF: THE CONTRIBUTION OF CORAL FORMS AND NITROGEN FIXING BACTERIA IN KARIMUNJAWA ISLANDS Suryanti Suryanti; Supriharyono Supriharyono; Sigit Febrianto; Muslidin Aini
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 16, No 2 (2020): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (271.601 KB) | DOI: 10.14710/ijfst.16.2.86-89

Abstract

Coral is an ecosystem in the coastal area which plays an important role in controlling nutrient cycle in the sea. This research aimed to study the the nitrogen concentration in coral and to analyze the influence of nitrogen fixing bacteria on the concentration of nitrogen in coral. The research was carried out by field observation, by taking coral reef samples and analyzed in the laboratory for its nitrogen concentration and number of nitrogen fixing bacteria. Data analysis was carried out by ANOVA and regression. The analysis resulted that there was a significant difference of nitrogen concentration in massive and branching corals. However, there is no significant correlation between the sampling location and types of coral on the density of nitrogen fixing bacteria, both Nitrosomonas sp. and Nitrobacter sp. Regression analysis showed that the concentration of nitrogen in coral tissue was not significantly related to the density of nitrogen fixing bacteria. The result of this research implies that the concentration of nitrogen in the coral tissue may be affected by many other factors.
Co-Authors Febrianto, Sigit Muslihuddin Aini Suryanti -