Archivelago Indonesia Marine Library

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EFFECTS OF CURRENT VELOCITY ON FILTRATION AND INGESTION RATE OF PEARL OYSTER (Pinctada maxima), Indonesian Aquaculture Journal Vol.7 No.2, 2012

Sudewi, Apri I. Supii [et.al] - Personal Name;

Pinctada maxima is a filter feeder organism obtaining food particles by filtration from water suspension. Filtration and ingestion rate of a large number of benthic filter feeders in a variety of coastal environment have been known influenced by current velocity. The purposes of this study were to examine the effects of current velocity on filtration and ingestion rate of pearl oyster P. maxima and to determine the best current velocity. Randomized Block Design was used in this experiment with four current treatments of 8, 16, 24, and 32 cm s -1 . The results of this experiment demonstrated that current velocity has a marked effect on filtration rate of P. maxima and that this species follows the general pattern of response observed for other bivalves. Different velocity affected filtration and ingestion rate in pearl oyster P. maxima. It was gradual decline in the suspension feeding with increasing velocity. Filtration rate of bivalves with siphons facing into the current, were directly inhibited by hydrodynamic effects on the functioning of the bivalves pump. At increasing current velocity, pressures applied to the inhalant and exhalant aperture facing into the flow would result in higher pressures than that of produced by the ciliary pump, resulting in reduced filtration rate. The highest filtration and ingestion rate in this experiment were obtained at velocity of 8 cm s -1 that achieved 3.409±0.485 l/h and 37.91±1.27 (x10 7 ) cells/h, respectively.


Availability
B1801908Koleksi DigitalArchivelago Indonesia Marine Library - Perpustakaan Kementerian Kelautan dan PerikananAvailable
Detail Information
Series Title
-
Call Number
Koleksi Digital
Publisher
2012 : KKP-Badan Penelitian dan Pengembangan Kelautan dan Perikanan., Jakarta
Collation
123-131 hlm.
Language
Indonesia
ISBN/ISSN
-
Classification
NONE
Content Type
-
Media Type
-
Carrier Type
-
Edition
Vol.7 No.2, 2012
Subject(s)
Local Content
Publikasi Internal
genetic - pearl oyster - pinctada maxima - mithocondrial cytochrome oxidase
Karya Ilmiah
Artikel Ilmiah
Specific Detail Info
-
Statement of Responsibility
Indonesian Aquaculture Journal
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Archivelago Indonesia Marine Library yang berasal dari gabungan kata ‘archive’ dan ‘archipelago’ yang memiliki makna tempat yang paling sesuai dan lengkap untuk menyimpan informasi mengenai kelautan dan perikanan Indonesia, merupakan perpustakaan khusus di bawah Sekretariat Jenderal Kementerian Kelautan dan Perikanan, dengan koleksi khusus di bidang kelautan dan perikanan.

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