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INDONESIA
Jurnal Hidrosfir Indonesia
Published by Badan Pengkajian dan Penerapan Teknologi
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Articles 12 Documents
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Search results for , issue "Vol 3, No 2 (2008)" : 12 Documents clear
KUALITAS AIR DAN DINAMIKA FITOPLANKTON DI PERAIRAN PULAU HARAPAN Soetrisno, Yudhi
Jurnal Hidrosfir Indonesia Vol 3, No 2 (2008)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

This research was conducted to known water quality and phytoplankton dynamics in the coastal of Harapan island. The research reveal that during the period of research the coastal water of Harapan island was an olygotrophic withphytoplankton density about 654,7-1.745 cells/ml. The phytoplankton community in November was dominated by Thalassionema sp. (303.64 cells/ml); in 10 December was by Pseudonitzchia sp (117,7 cells/ml); in 7 January was byChaetoceros sp (218 cells/ml), in 28 January was by Trichodesmium sp; (727,3cells/ml) and in 22 April was by Chaetoceros sp. (775.8 cells/ml). It have to payattention to the dominating phytoplankton community by Pseudonitzchia sp andTrichodesmium sp due to their bloom will create negative impact to otherorganisms and ecosystem stability.
STUDI PENENTUAN PRODUKTIVITAS DANAU BUATAN DENGAN MEI (MORPHOEDAPHIC INDEX) ANALYSIS Santoso, Arif Dwi
Jurnal Hidrosfir Indonesia Vol 3, No 2 (2008)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

The morphoedaphic index (MEI) has been used globally as a fish-yield estimator with widely divergent results. The fandamental concept of the MEI embraces standard thermodynamic theory, that of matter ( natrients) transported by energy within an open system. Of the three morphometric factors considered mean depth ,volume and area. The MEI is a reasonable compromise between unmanageable complexity and ecologic over simplification. Even so, its appropriate application presupposes both a fisheries and a limnological expertise, a rare disciplinary combination in those workers who might derive the greatest benefits from its use.In this paper, study on the determining of water productivity in artivicial lakes with morphoedaphic index analysis was showed.

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