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Environmental Characteristics of Natural Habitat of Protothaca jedoensis in Gamak Bay, Korea  

Yoon, Ho-Seop (Division of Aqua life Science, Yosu National University)
Choir, Sang-Duk (Division of Aqua life Science, Yosu National University)
Publication Information
Journal of Aquaculture / v.19, no.1, 2006 , pp. 7-13 More about this Journal
Abstract
In this study, environmental parameters of natural habitat were measured to find out suitable place for release and improve the productivity of Protothaca jedoensis in Gamak Bay. Water temperature, salinity of the habitat ranged from 5.4 to 27.6 and from 26.5 to $34.5\%_{\circ}$, respectively. Range of pH, DO, COD, Chl-a, T-N and T-P were $7.82{\sim}8.39,\;5.31{\sim}11.28mg/L,\;0.13{\sim}1.38mg/L,\;3.05{\sim}11.55mg/L,\;0.005{\sim}0.180mg/L\;and\;0.007{\sim}0.028mg/L$ respectively. Dominant grain size was fine silt and the IL of sediment was ranged from $0.75{\sim}7.26%$. The water content was $20.16{\sim}53.65%$ and highest value was observed in Baegyado. The COD and AVS in the sediments ranged from $0.53{\sim}8.67mg/g-dry$ and $0.002{\sim}0.113mg/g-dry$ respectively. The bottom condition of Baegyado was higher than other area.
Keywords
Protothaca jedoensis; Environmental parameters; Gamak Bay;
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