Spatial Distribution of Chlorophyll-a and Its Relationship with Dissolved Inorganic Phosphate Influenced by Rivers in the North Coast of Java
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Oceanography Department, Diponegoro University, Indonesia
Doctoral Program of Marine Science, Diponegoro University, Indonesia
Center for Coastal Rehabilitation and Mitigation Studies, Diponegoro University, Indonesia
Undergraduate Program of Oceanography, Diponegoro University, Indonesia
Publication date: 2019-07-01
Corresponding author
Lilik Maslukah   

Oceanography Department, Diponegoro University, Indonesia
J. Ecol. Eng. 2019; 20(7):18-25
This research examines the eutrophication process mainly by considering the chlorophyll-a concentration. A simple linear model was used to determine the correlation between chlorophyll-a and dissolved inorganic phosphate (DIP). The research was carried out on some river mouths in the north coast of Central Java. The results of the linear model show that the relationship between chlorophyll-a and DIP follows the logarithmic model with the log [Chlo-a] = 1.52 + 1.60 log [DIP], R2 = 0.55. The model suggests that the high concentration of chlorophyll-a is related to dissolved inorganic phosphate concentrations. Based on the sufficient of conclusive evidence for these variables, the study sites with high stresses from several anthropogenic sources had higher chlorophyll-a than study sites that are relatively far from river mouths and lands.
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