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All Journal JOURNAL OF COASTAL DEVELOPMENT Prosiding Peksos: Jurnal Ilmiah Pekerjaan Sosial Peksos: Jurnal Ilmiah Pekerjaan Sosial Jurnal Ekonomi Bisnis dan Kewirausahaan Jurnal Ilmiah Matematika (JIMAT)
Suradi .
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Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Mathematics Social Sciences

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Journal : JOURNAL OF COASTAL DEVELOPMENT

 1 
THE MEASUREMENT OF CHLOROPHYLL a CONCENTRATION IN THE COASTAL WATERS ADJACENT TO KARANGANYAR SHRIMP PONDS, TUGU SEMARANG Agung Setiarto; Suradi .
JOURNAL OF COASTAL DEVELOPMENT Vol 3, No 1 (1999): Volume 3 Number 1 Year 1999
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

In order to determine the extent of eutrophication due to pollution of organic matter from brackishwater shrimp ponds, on the north coast of Central Java, chlorophyll a and nutrient concentration were measured in near shore waters. It was revealed that chlorophyll a content in the study area were considerably high, ranging between 83 and 332 µg/l. The evidence of eutrophication was also supported by the relatively high level of nutrient, in which nitrate levels ranged between 1.295 and 2.060 mg/l and phosphate ranged between 0.093 and 0.270 mg/l. The relationship of chlorophyll a and nitrate indicated negative of chlorophyll a and phosphate also indicated negative correlation with regression : P = - 0.2587 Chl a + 0.1945. This suggests that the increase in chlorophyll a is accompanied by a reduction of both nitrate and phosphate, which may be caused by luxurious consumption of nutrient by phytoplankton in the surface water.
Co-Authors ., Aribowo ., Rosidah Abdul Hakim Junaid Agung Setiarto Aribowo . Bambang Sugeng Bambang Sugeng Decky Irianti Decky Irianti Nasriah . Sarsiti . Yana Sundayani