ANALISIS DAYA DUKUNG LINGKUNGAN PERAIRAN MARIKULTUR BATAM ESTET (BME) BATAM

Suhendar I Sachoemar

Abstract


Carrying capacity analysis at Bantam Mariculture Estate was conducted to
determain their optimal production capacity and number of fish cages setting
for sustainable aquaculture development within this area. The analysis was
design on the material balance base of the nitrogen input and output where
the aquaculture system of fish rearing on the cages was assumed as the
black box system. To support the analysis, physical and chemical parameters such as current speed and dissolved in organic nitrogen (ammonia, nitrate and nitrite) were included on the analysis to understand their flushing rate as key factor that showing of the ecosystem ability on the reduction of the pollutant concentration.

The calculation result shows that fish production capacity of Batam
Mariculture Estate was high that is up to 3 thousand ton peryear for 3
thousand unit of fish cages. Flushing rate was excellent that is within range
of 30 – 60 million m3/hours with the ability of the ecosystem to avoid the
pollutant is less than 10 hours. The nitrogen and ammonia released on the
environment are low that are around 0.004 – 0.008 mg/days and 0.002 –
0.004 mg/days respectively. These value are below of the minimum level
permitted for the aquaculture.


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