Seasonal Variation in Species Composition of Fish Collected by Trammel Net Around Dokdo, East Sea of Korea

Lee, Hae Won; Hong, Byung Kyu; Sohn, Myong Ho; Chun, Young Yull; Lee, Dong Woo; Choi, Young Min; Hwang, Kang Seok

doi:10.5657/kfas.2010.43.6.693

Cited by 8 publications

(5 citation statements)

References 12 publications

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“…, , (Hwang et al, 1997), (Hong et al, 2008), (Lee et al, 2008), (Lee et al, 2010), , (Park, 2013) . (Shin et al, 1988) (Lee and Byun, 2007) , .…”

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confidence: 99%

Species Composition and Community Structure of Demersal Fish Caught by a Danish Seine Fishery in the Coastal Waters of the Middle and Southern East Sea, Korea

Sohn¹,

Park²,

Yoon³

et al. 2015

Korean Journal of Fisheries and Aquatic Sciences

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We examined the species composition and community structure of demersal fish in the middle and southern coastal waters of the East Sea of Korea by surveying a commercial Danish seine fishery from 2010 to 2013. We considered the waters north of 37°N as middle and those south of 37°N as southern waters. A total of 79 demersal fish species belonging to 18 families were collected. Of these, 59 species (77.6%) inhabited only the East Sea as opposed to the West and South Seas of Korea, and most were resident species. The species and biomass were similar between the two portions of the study area. The sandfish Arctoscopus japonicus (78.0%) and the blackfin flounder Glyptocephalus stelleri (65.1%) were the most common species and accounted for the most biomass in the middle and southern waters, respectively. Fish were most abundant at shallow depths (50-100 m) in the middle portion of the East Sea. Using a cluster analysis, we divided the species composition and community structure at the sampling stations into three groups: middle portion (group A), deep area of the southern portion (group B), and shallow areas of the southern portion (group C). A. japonicas and G. stelleri were dominant in groups A and B, while G. stelleri and Clupea pallasii were dominant in group C.

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“…, , (Hwang et al, 1997), (Hong et al, 2008), (Lee et al, 2008), (Lee et al, 2010), , (Park, 2013) . (Shin et al, 1988) (Lee and Byun, 2007) , .…”

mentioning

confidence: 99%

Species Composition and Community Structure of Demersal Fish Caught by a Danish Seine Fishery in the Coastal Waters of the Middle and Southern East Sea, Korea

Sohn¹,

Park²,

Yoon³

et al. 2015

Korean Journal of Fisheries and Aquatic Sciences

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“…In contrast, physical factors such as water temperature and currents may also lead to contrasting species compositions of fish assemblages between areas. In particular, migratory fishes such as the genera Trachurus and Seriola on the coasts of Ulleungdo and Dokdo were likely influenced by the warm Tsushima Current, which is supported by the similarity of fish assemblages between the coastal areas of Dokdo and Jeju (Lee et al, 2010). Therefore, regional environmental variations in geological and physical factors may contribute to spatial differences in species composition of fish assemblages between the mainland and island coasts.…”

Section: Effect Of Environmental Factors On Fish Community In the Off...mentioning

confidence: 99%

Trophic structure of fish assemblages in two offshore islands (Ulleungdo and Dokdo) of Korea revealed using stable isotope analysis

Park,

Lee,

Kang

et al. 2024

Front. Mar. Sci.

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The objective of this study was to characterize the trophic structure of fish assemblages on the coasts of offshore islands and the eastern mainland of the Korean Peninsula. We compared the seasonal variability in the trophic structure of fish assemblages between the coasts of two island sites (Ulleungdo and Dokdo) and one mainland site (Hupo), which are on a similar latitude. We analyzed the stable carbon and nitrogen isotope ratios (δ13C and δ15N) of fish assemblages during spring (April) and summer (August) 2021. No temporal differences in the isotope values of fish and basal resources (i.e., suspended particulate organic matter (SPOM)) were found over the sampling period at the Hupo site. In contrast, at the Ulleungdo and Dokdo sites, the fishes and SPOM showed seasonal differences in the δ13C and δ15N values between the two seasons. In particular, the fish δ15N values at the island sites were relatively higher in summer compared to those in spring, suggesting the seasonal variation in the food chains and/or trophic status between consumers and their dietary sources. These regional isotopic variations also result in differences in the seasonal tendencies of the isotopic niche parameters of fish assemblages between the mainland and island coasts. Such differences in the seasonal isotopic patterns of fish assemblages suggest a relatively substantial shift in the dietary resources available to fish consumers on island coasts compared to those on the mainland coast. Overall, our results suggest that fish assemblages in offshore island coasts have distinct seasonal variability in trophic characteristics in response to changing environmental conditions, including basal resources, compared with fish food webs on the mainland coast at similar latitudes.

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“…[4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] Ryu et al, 2005). 12 53 (Lee et al, 2010) . , , , , .…”

Section: 결 과 수온과 염분unclassified

Comparison of Fish Species Composition by Trammel Net at the Intake and Discharge of Weolseong Nuclear Power Plant

Ryu¹,

Yoo²,

Kim³

2016

Korean Journal of Fisheries and Aquatic Sciences

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We investigated fish species composition seasonally at the intake and discharge of Weolseong Nuclear Power Plant (WS-NPP) from February to November 2008 using a trammel net. At the intake, 121 individuals belonging to 28 species were collected, and 157 fish from 34 species were sampled at the WS-NPP discharge. Dominant species at the intake were Chelidonichthys spinosus (17.2%), Scomber japonicus (11.5%) and Ditrema temminckii (8.2%) at the intake, while Sillago japonica (18.5%), Chelidonichthys spinosus (13.4%) and Konosirus punctatus (8.3%) dominated at the discharge. The species count and diversity index at the discharge were highest during winter, whereas those at the intake were highest during spring, perhaps due to warm seawater at the discharge site. This study is the first to reveal an effect of effluent water on the aggregation of warm water fish species during winter.

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Seasonal Variation in Species Composition of Fish Collected by Trammel Net Around Dokdo, East Sea of Korea

Cited by 8 publications

References 12 publications

Species Composition and Community Structure of Demersal Fish Caught by a Danish Seine Fishery in the Coastal Waters of the Middle and Southern East Sea, Korea

Species Composition and Community Structure of Demersal Fish Caught by a Danish Seine Fishery in the Coastal Waters of the Middle and Southern East Sea, Korea

Trophic structure of fish assemblages in two offshore islands (Ulleungdo and Dokdo) of Korea revealed using stable isotope analysis

Comparison of Fish Species Composition by Trammel Net at the Intake and Discharge of Weolseong Nuclear Power Plant

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