Regional differences in the response of mesozooplankton to oceanographic regime shifts in the northeast Asian marginal seas

Kang, Yong Jin; Jung, Suyong; Zuenko, Yu. I.; Choi, Ikseon; Dolganova, N. T.

doi:10.1016/j.pocean.2011.11.012

Cited by 34 publications

(12 citation statements)

References 35 publications

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“…The large interannual variation in clutch frequency for neritic benthivores (3.9-4.5 clutches per season) compared to that for oceanic planktivores (3.6-3.7 clutches) might be attributed to high variation in the abundance of benthic prey in neritic habitats, although there is no record of a recent increase in benthic animals around Japan. Benthic prey in the continental shelf of the East China Sea, a major foraging ground for loggerhead turtles nesting in Japan (Hatase et al 2002(Hatase et al , 2007, might have differentially responded to the oceanographic regime shift in 1998 (Kang et al 2012). The larger interannual clutch frequency variation for neritic foragers may also be attributed to their larger sample size.…”

Section: Effects Of Foraging Habitats On Life History Parametersmentioning

confidence: 99%

A mechanism that maintains alternative life histories in a loggerhead sea turtle population

Hatase

Omuta²,

Tsukamoto

2013

Ecology

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Intrapopulation variation in habitat use is commonly seen among mobile animals, yet the mechanisms maintaining it have rarely been researched among untrackable species. To investigate how alternative life histories are maintained in a population of the loggerhead sea turtle (Caretta caretta), cumulative reproductive output was evaluated and compared between small planktivores inhabiting oceanic areas (with water depths > 200 m) and large benthivores inhabiting neritic areas (depths < 200 m) that sympatrically nested at Yakushima Island, Japan, from 1986 to 2011. In total, 362 nesting females sampled in three different years were classified into the two foraging groups based on stable isotope ratios in egg yolks. There were significant differences between the two foraging groups in most recorded life history parameters (clutch size, clutch frequency, breeding frequency, and remigration intervals), with the exception of emergence success. We did not find evidence of life history trade-offs, nor age-related changes in fecundity. Over the 26-year study period, we calculated a 2.4-fold greater reproductive output for neritic foragers than for oceanic ones, accounting for breeding and clutch frequency. Temporal consistencies in stable isotope ratios and remigration intervals within females suggested that female Japanese loggerheads show fidelity to respective foraging habitats throughout the adult stage. The large difference in productivity between the two groups was unlikely to be offset by the difference in survival during the period from aboveground emergence to first reproduction, suggesting that oceanic foragers have a lower level of fitness than neritic ones. Together with an absence of genetic structure between foraging groups, we infer that alternative life histories in a loggerhead turtle population are maintained by a conditional strategy.

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Section: Effects Of Foraging Habitats On Life History Parametersmentioning

confidence: 99%

A mechanism that maintains alternative life histories in a loggerhead sea turtle population

Hatase

Omuta²,

Tsukamoto

2013

Ecology

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“…. , 1979, -1988, , 1989, (Kodama et al, 2010 1990 , 1984-1991 30 1992-1995 10 1996 20 (http://www.fao.org/fishery/ (Chiba and Saino, 2002;Kang et al, 2012;Rebstock and Kang, 2003;Tian et al, 2008;Zhang et al, 2004). 19892-4 , 2-4 (Houde, 1987).…”

Section: 결과 및 고찰mentioning

confidence: 99%

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

Jung¹,

Ha²,

Na³

2013

Korean Journal of Fisheries and Aquatic Sciences

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We compiled and analyzed long-term time-series data collected in Korea to evaluate changes in oceanographic conditions and marine ecosystems near Jeju Island (33 o 00'-34 o 00' N, 125 o 30'-127 o 30' E) from 1981 to 2010. Environmental data included depth-specific time series of temperature and salinity that have been measured bimonthly since 1961 in water columns at 175 fixed stations along 22 oceanographic lines in Korean waters by the National Fisheries Research & Development Institute, and time series of estimated volume transport of the Tsushima Warm Current (TWC) and Korea Strait Bottom Cold Water (KSBCW) for the period from 1961 to 2008. We analyzed the species composition in terms of biomass of fish species caught by Korean fishing vessels in the waters near Jeju Island (1981-2010). Data were summarized and related to environmental changes using canonical correspondence analysis (CCA).

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“…Climate driven regime shift was observed among the major large marine ecosystems in north Pacific region since th beginning 20 century (Zhang et al, 2000;Zhang et al, 2004;Gong et al, 2007;Kim et al, 2007;Lee et al, 2008;Kang et al, 2012;Gong and Suh, 2013).Two large climate regime shift events were well detected in 1976/77 (hereafter 1976) and 1988/89 (hereafter 1988); however, more recently in 1998 regime shift also was observed in this region. In the East Asian marginal sea, regime shifts in temperature have been reported in previous studies (Rebstock and Kang, 2003;Gordon and Giulivi, 2004;Zhang et al, 2004;Kim et al, 2007;Jung et al, 2007;Kim et al, 2008;Lee et al, 2008;Kang et al, 2012, Jung et al, 2017. An early winter (Dec-Feb) warming trend after 1977 CRS and a winter (Jan-Mar) warming trend after 1988 CRS in both north and south East / Japan Sea, northern East China Sea and eastern Yellow Sea were observed (Kang et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Synchronicity of climate driven regime shifts among the East Asian marginal sea waters and major fish species

Rahman¹,

Jung²,

Park³

et al. 2019

JEB

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Regional differences in the response of mesozooplankton to oceanographic regime shifts in the northeast Asian marginal seas

Cited by 34 publications

References 35 publications

A mechanism that maintains alternative life histories in a loggerhead sea turtle population

A mechanism that maintains alternative life histories in a loggerhead sea turtle population

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

Synchronicity of climate driven regime shifts among the East Asian marginal sea waters and major fish species

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