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http://dx.doi.org/10.7837/kosomes.2016.22.6.723

A Study on the Habitait Suitability Considering Survival, Growth, Environment for Ruditapes philippinarum in Geunso Bay (Pado and Beopsan)  

Choi, Yong-Hyeon (Tidal Flat Research Center, National Institute of Fisheries science)
Choi, Yoon-Seok (Tidal Flat Research Center, National Institute of Fisheries science)
Cho, Yoon-Sik (Tidal Flat Research Center, National Institute of Fisheries science)
Kim, Young-Tae (Tidal Flat Research Center, National Institute of Fisheries science)
Jeon, Seung-Ryul (Tidal Flat Research Center, National Institute of Fisheries science)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.22, no.6, 2016 , pp. 723-730 More about this Journal
Abstract
Domestic Manila clam production has been reduced due to coastline changes and environmental degradation, but aquaculture industry is facing difficulties caused by an increase in imports. It is important to recognize the integral habitat environment in order to do sustainable aquaculture. The habitat environment of Manila clams (Ruditapes philippinarum) is closely related to the productivity of aquaculture farms. This study investigated 3 indexes, survival (sediment type, hydrodynamic), growth (Chlorophyll a, DIN, DIP) and environment (water temperature, dissolved oxygen, sediment chemical oxygen demand, ignition loss) as indicators of habitat characteristics for a tidal flat farm in Geunso Bay (Pado and Beopsan) from June 2015 to May 2016. As a result, Pado (maximums.; sand 48.76 %, hydrodynamic 10.59 cm/s, Chlorophyll a 12.70 ug/L, exposure time 3 hours, DO 18.65 mg/L) had a higher sand content, faster current speed, more abundant nutrients and DO, providing more favorable conditions for Manila clams than Beopsan (maximums.; sand 37.40 %, hydrodynamic 6.02 cm/s, Chlorophyll a 6.41 ug/L, exposure time 7 hour, DO 14.81 mg/L). In fact, Pado showed a higher density than Beopsan. This study considered the habitat environments of Pado and Beopsan to provide a basis for optimal management practices and potential suitable sites in Geunso bay.
Keywords
Habitat environment; Suitable site selection; Ruditapes philippinarum; Hydrodynamics; Fishery management;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
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