Multi-decadal Changes in Fish Communities Jeju Island in Relation to Climate Change

Jung, Suyong; Ha, Seungmok; Na, Hanna

doi:10.5657/kfas.2013.0186

Cited by 11 publications

(7 citation statements)

References 25 publications

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“…Many researchers in Korea also have a great interest in the effect of climate change on water resources, agriculture, fishing industry, forestry, and so forth [11][12][13][14][15]. All of their research has been aimed at the time when the CO 2 concentration becomes doubled.…”

Section: Introductionmentioning

confidence: 99%

Markov Chain Decomposition of Monthly Rainfall into Daily Rainfall: Evaluation of Climate Change Impact

Yoo

Lee

2016

Advances in Meteorology

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This study evaluates the effect of climate change on daily rainfall, especially on the mean number of wet days and the mean rainfall intensity. Assuming that the mechanism of daily rainfall occurrences follows the first-order Markov chain model, the possible changes in the transition probabilities are estimated by considering the climate change scenarios. Also, the change of the stationary probabilities of wet and dry day occurrences and finally the change in the number of wet days are derived for the comparison of current (1x CO2) and 2x CO2conditions. As a result of this study, the increase or decrease in the mean number of wet days was found to be not enough to explain all of the change in monthly rainfall amounts, so rainfall intensity should also be modified. The application to the Seoul weather station in Korea shows that about 30% of the total change in monthly rainfall amount can be explained by the change in the number of wet days and the remaining 70% by the change in the rainfall intensity. That is, as an effect of climate change, the increase in the rainfall intensity could be more significant than the increase in the wet days and, thus, the risk of flood will be much highly increased.

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Section: Introductionmentioning

confidence: 99%

Markov Chain Decomposition of Monthly Rainfall into Daily Rainfall: Evaluation of Climate Change Impact

Yoo

Lee

2016

Advances in Meteorology

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“…Notwithstanding, increases in seawater temperature have recently been associated increased frequency of occurrence of many subtropical species in Jeju island and the eastern sea of Korea (Kim, 2009;Kim et al, 1999;Lee & Kim, 2021;Lee et al, 2021) and change in fish community structure (Jung et al, 2013;Ryu & Kim, 2020). Rebstock & Kang (2003) provided evidence for variations in regime shifts in the three seas around the Korean peninsula, for example, the abundance of amphipods, chaetognaths, and euphausiids increased in the eastern and southern seas of Korea, but not the western sea of Korea.…”

Section: Fisheries and Aquatic Sciencesmentioning

confidence: 99%

“…A study of the relationship between sea surface temperature (SST) and fish community structure in the North Sea in the past 140 years showed that SST had remained in the range of 6℃-6.5℃ between 1870 and the late 1980s, when it increased rapidly, reaching a peak of about 8℃ in 2000, causing changes in the fish community structure (Hofstede & Rijnsdorp, 2011). Together with climatic change, SST has increased rapidly around the Korean peninsula in the last four decades, with the SST of Jeju island increasing by about 0.8℃ and that of the Korea Strait by about 1.0℃ (Jung et al, 2013). Increasing SST causes fluctuations in the biomass at the lower trophic levels, including among diatoms (Tian et al, 2008), the fish species alternation phenomenon (Rebstock & Kang, 2003), and impacts on marine ecosystem and fisheries resources (Zhang et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

Preliminary study on spatio-temporal variations of five giant and 17 large fish species around the Korean peninsula from 2011 to 2016

Kim¹,

Kim²,

Ryu³

et al. 2022

Fish Aquat Sci

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Although giant and large fish species are highly important as a keystone species in the marine ecosystem, there have been no or few studies on their spatio-temporal variations around the Korean peninsula. For this, we analyzed daily reports made by observers at 57 fishery landing sites in Korea over 6 years, from 2011 to 2016. In total, 153 fish species were re-identified based on photos and descriptions recorded by Korean observers, of which five species were classified as a giant fish over 5 m in maximum total length (MTL) and 17 species as a large fish from 3 m to 5 m MTL according to the data presented by Froese & Pauly (2021). Among the giant and large fish species, Mola mola was the most abundant species, with 75 individuals landed as by-catch. The second most abundant species was Isurus oxyrinchus (31), followed by Mobula mobular (23), Lamna ditropis (17), Masturus lanceolatus (16), Sphyrna zygaena (14), and Prionace glauca (12). As a result of cluster analysis based on the number of individuals of giant and large fish species by year and sea, six years were separated into two clusters (2011-2013 vs. 2014-2016), with high contribution of M. mola, I. oxyrinchus, and M. lanceolatus; and three seas were separated into two clusters (eastern + southern seas vs. western sea), with high contribution of M. lanceolatus, L. ditropis, and I. oxyrinchus. The largest number of M. mola accounted for 64% of the total in 2014 and 2016, and 71% in summer (June-August). It is assumed to have a correlation between seawater temperature fluctuation and the occurrence of giant and large fish species. Our study highlights importance of longterm monitoring of giant and large fish species, and can help to understand the life cycle such as natal or nursery migration of giant and large fish species around the Korean peninsula.

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“…Kim (2009) 1986 (Lee and Gill, 1998) 1995 (Hwang et al, 1998(Hwang et al, ) , 1986(Hwang et al, 1995 . Jung et al (2013) 30 80 90 , , .…”

Section: 서 론mentioning

confidence: 99%

Change of Structure Community of Fish Collected by a Gape Net with Wings after 12 Years in the Coast of Wando Island, Korea

Yoo¹,

Kim²,

Choi³

2014

Korean Journal of Fisheries and Aquatic Sciences

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Our aim was to compare the community structure of fish in the coast of Wando Island between 2001 and 2013. Using a gape net with wings, we collected 61 taxa, wherein the most dominant species was Engraulis japonicus. The sea temperature in the middle layer of the survey station in 2001 (after June) was obviously higher than that in 2013, which was < 20°C. Except for Thryssa kammalensis in 2013, the log transformed individuals of seven dominant species, selected using a SIMPER (similarity-percentages procedure) analysis, decreased. Decreases in the individuals of Gobiidae spp., the warm-water species Trichiurus japonicus and Conger myriaster, and the migratory species Syngnathus schlegeli, Setipinna taty and Sardinella zunasi, which arrive in the southern coastal waters of Korea during summer-autumn, could be due to decreasing sea temperature in 2013. Thus, fish species diversity, estimated from rarefaction and k-dominance curves, declined in the coastal waters of Wando Island from 2001 to 2013, resulting in a significant difference in fish community structure

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Multi-decadal Changes in Fish Communities Jeju Island in Relation to Climate Change

Cited by 11 publications

References 25 publications

Markov Chain Decomposition of Monthly Rainfall into Daily Rainfall: Evaluation of Climate Change Impact

Markov Chain Decomposition of Monthly Rainfall into Daily Rainfall: Evaluation of Climate Change Impact

Preliminary study on spatio-temporal variations of five giant and 17 large fish species around the Korean peninsula from 2011 to 2016

Change of Structure Community of Fish Collected by a Gape Net with Wings after 12 Years in the Coast of Wando Island, Korea

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