KAJIAN ADAPTASI KIJING PILSBRYOCONCHA EXILIS SEBAGAI LANGKAH AWAL PEMANFAATANNYA DALAM BIOFILTRASI PENCEMAR ORGANIK DI PERAIRAN WADUK

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Wage Komarawidjaja

Abstract

Pilsbryoconcha exilis is freshwater mussel that derive its feed through
filtering water. The mussels could filter such as phytoplankton and
suspended material to get their feed. Its ability may be used in water
remediation which is polluted by organic contaminant, such as at Cirata
reservoir in West JavaTo undesrtand that freshwater mussels have ability
to adapt in Cirata reservoir, a group of mussels kept in certain water
column at some station observation. Then mussels growth rate was
measured. Research result indicated that freshwater mussel could be
adapted and grown in different water column as well as in their habitat
(bottom sediment with muddy substrate). The mussels planted in Cirata
reservoir have relation length and weight pattern which categorize as
negative allo-metric (increasing of length is more dominant than weight).
Observation result of mussels grow at Jangari Station was remarked by
coefficient of growth (k=0.47) and infinity of length ( 8 =9.41); at Pasir Empul k=0.64 and L8 =9.62; at Jati Nenggang k=0.47 and L8 =9.41; also at
mussels stock cages k=0.65 dan L8 =9.62. The result of this study concluded that mussels could be grown in Cirata reservoir of West Java.

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RESEARCH ARTICLES

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