• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2000.05a
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• pp.491-492
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• 2000

국내 패류양식의 중요한 위치를 차지하고 있는 피조개는 지금까지 자연채묘에 의존하여 양식용 종묘를 확보해 오고 있다. 그러나, 1990년대 들어 지구온난화에 의한 수온 상승, 이상해황의 발생, 육상 오염물질의 유입 등에 의한 채묘부진 현상으로 안정적 양식용 종묘 수급에 상당한 차질을 빚고 있다. 따라서, 본 연구는 피조개 채묘부진 원인을 밝히기 위하여 자연산 피조개 서식지인 진해만 잠도에서 채집한 피조개 모패의 성숙 및 산란 특성과 생식주기에 따를 모패의 건강도를 구명하였다. (중략)

• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2001.05a
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• pp.371-372
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• 2001

피조개(Scapharca broughtonii)는 우리나라 동해안 북부에서 남해안과 서해안의 내만에 널리 분포하는 고막류 가운데 가장 중요한 산업종으로서 주로 남해안에서 많이 양식하고 있다(강 등, 1980: 김 등, 1982). 또한, 피조개의 자연채묘 및 양식기술이 확립된 이후 주로 강진만, 가막만, 득량만 등에서 양식이 되고 있다. 특히, 가막만에서는 1990년대 이후 피조개 종패가 매년 채묘되고 있으나 중간양성중 대부분이 폐사되거나 탈락되어 종패로서 활용하지 못하고 있다. (중략)

• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2001.05a
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• pp.367-368
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• 2001

고막류에는 피조개(Scapharca broughtonii)를 비롯하여 고막(S. granosa bisenensis), 새고막(S. subcrenata), 큰이랑피조개 S. satowi(Dunker)가 있다. 큰이랑피조개의 생산량은 전량 자연산에 의존하고 있으며, 최근 들어 자원이 감소하는 추세에 있어 양식 개발품종으로 기대되는 종이다. 피조개의 인공종묘생산은 대야(1962)에 의해 시작되어 중촌ㆍ암본(1975)에 의해 기술이 확립되었으며 우리나라에서는 종묘생산 및 유생사육에 관한 연구결과들이 보고되어 있으나, 큰이랑피조개에 대하여 생식ㆍ생리에 대한 연구는 거의 이루어지지 않고 있다. (중략)

• Journal of fish pathology
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• v.26 no.3
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• pp.193-206
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• 2013

The ark shell, Scapharca broughtonii is a marine bivalve mollusks belonging to the family Arcidae and important seafood for Korean and Japanese, and southern coast is brisk bays for the ark shell aquaculture. However, productivity of ark shell from these regions were rapidly reduced during the last decade due to mass mortality. The reason of this great damage has not yet been identified. To overcome this economic loss, diverse investigations were focused on environmental factors that affects in the physiology of S. broughtonii, but microbiological researches were performed insufficiently. Hemoglobin is one of the major blood component of ark shell and is damaged by some species of bacterial toxins. We concentrated on this red pigment because hemolysis could be the cause of ark shell mortality. In this study, we analyzed microbial diversity of underwater sediments in coastal regions and also existences in the body of S. broughtonii. We investigate about 4,200 isolates collected from June to September for microbial diversity of sediments and ark shell. We screened all of culturable microorganisms, and identified 25 genera 118 species, 24 genera 89 species, 30 genera 109 species and 39 genera 141 species, and selected 140 unique colonies for identification and challenge assay.

• Journal of Aquaculture
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• v.20 no.1
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• pp.31-40
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• 2007

To find out the effect of the spat planting time and environmental factors in the arkshell, Scapharca broughtonii (Schrenck), we investigated the growth, survival rate of arkshell and habitat characteristics in Gamak Bay, Yeoja Bay and Saryang Island. We planted artificial spats of arkshell in Gamak Bay and Yeoja Bay at November 2004, and also planted domestic and Chinese natural spats in Saryang Island at March 2005. We measured growth, survival rate of arkshell, physiochemical parameters of the water mass (water temperature, salinity, dissolved oxygen, nutrients and chlorophyll a) and characteristics of the sediment (oxygen penetration depth, oxygen microprofiles, ignition loss and chemical oxygen demand) by monthly. The cumulative survival ratio of arkshell in Gamak Bay was the highest at December, whereas the ratio of arkshell in Yeoja Bay was recorded as 0% at October. The monthly growth rates of arkshell length in Gamak Bay and Yeoja Bay were the highest in May and the growth rate of the Korean arkshell in Saryang Island was higher than Chinese ones significantly. The high mortality (> 65%) of the arkshell in Yeoja Bay during summer probably caused by high water temperature, inflow of low salinity water, and low dissolved oxygen concentration in sediment. The concentrations of nutrient and sediment COD were considered to play an important role in the monthly survival ratio of arkshell in Gamak Bay and Sarayng Island. We suggest that the growth and mortality of arkshell might be influenced to the planting time of spat and the habitat characteristics.

• Korean Journal of Fisheries and Aquatic Sciences
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• v.7 no.4
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• pp.204-208
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• 1974

The standing crop of the ark-shell, Anadara broughtonii was investigated in the fishing ground near Seodang-Ri, Hoecheon-Myeon, Boseong Gun, Chulla-Nam Do, from the 10 to 17, January 1974, as a preliminary study for the resource investigation of the species. 1. The resources of the ark-shell was estimated to be about 3.4-8.3 M/T, the individual number being about 11,000-37,000 in the area, 113 ha covered for the investigation. 2. Of the landed ark-shell by fishing, $93\%$ of them were over 3 years old.

• Proceedings of the Malacological Society of Korea Conference
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• 2001.11b
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• pp.149-150
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• 2001

• Proceedings of the Malacological Society of Korea Conference
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• 2001.11a
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• pp.29-30
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• 2001

• Korean Journal of Food Science and Technology
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• v.34 no.6
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• pp.954-961
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• 2002

Extracts of raw bloody clams, broughton's ribbed ark (Scaphrca broughtonii), subcrenated ark (S. subcrenata), and granulated ark (Tegillarca granosa), were analyzed and compared foe extractive nitrogen, free amino acids, combined amino acids, ATP and related compounds, quaternary ammonium bases, and guanidino compounds. The contents of extractive nitrogen in broughton's ribbed ark, subcrenated ark, and granulated ark were 479, 506, and 432 mg/100 g, respectively. Twenty-eight or twenty-nine types of free amino acids were detected in all three extracts, among which taurine, ${\beta}-alanine$, glutamic acid, and alanine were the major ones. The composition of the major extractive components such as free amino acids, combined amino acids, ATP and related compounds, TMAO, TMA, and creatine in the extracts were similar among the extracts, but their contents were different.

• The Korean Journal of Malacology
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• v.27 no.2
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• pp.143-148
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• 2011

Even though ark shell, Scapharca broughtonii is commercially important species, its artificial seed production is not yet fully developed. This study was carried out to understand the effect of three microalgal species on gonadal development and sex maturation of S. broughtonii in terms of broodstock management and food organism. Isochrysis galbana, Phaeodactylum tricornutum and Tetraselmis tetrathele were supplied to S. broughtonii broodstock in single or mixed. And condition index, gonadal development, sexual maturation and survival of the broodstock were analysed. After 45 rearing days, frequency of ripe stage of gonadal phases, rate of induced sexual maturation and survival of S. broughtonii broodstock fed mixed diet with 3 microalgal species or single diet of T. tetrathele were the highest.