Effect of wind stress on the catch of Japanese anchovy Engraulis japonicus off northwestern Kyushu, Japan

Takeshige, Aigo; Miyake, Yoichi; Nakata, Hideaki; Kitagawa, Takashi; Kimura, Shingo

doi:10.1007/s12562-013-0672-z

Cited by 5 publications

(15 citation statements)

References 29 publications

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“…2a, b and 5b). In addition, Takeshige et al (2013b) suggested that the main nursery areas for anchovy stocks in the East China Sea could have shifted northward in recent years because of a change in the wind-induced larval transport system. This may have also contributed to reducing the anchovy catch in Omura Bay during the third phase, compared with that in the first phase.…”

Section: Discussionmentioning

confidence: 99%

The Response of Fish Communities to Climate and Human-Induced Changes Inferred from Fishery Landings in an Enclosed Bay

Chung

Suzaki

Kasai

et al. 2014

Estuaries and Coasts

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Variations in the fish community structure in Omura Bay, an enclosed bay in the East China Sea, were investigated using long-term fishery landing data over the past five decades . We confirmed that the fish community structure in Omura Bay showed three conspicuous regimes during the study period. Anchovies dominated in the pelagic domain with abundant and various demersal fish species in the first phase (1965)(1966)(1967)(1968)(1969)(1970)(1971)(1972)(1973)(1974)(1975)(1976)(1977)(1978). Demersal fish declined remarkably with the dominance of sardines in the pelagic domain during the second phase (1979)(1980)(1981)(1982)(1983)(1984)(1985)(1986)(1987), and the fish community was simplified with the return of anchovies and no recovery of demersal fish in the third phase (1988)(1989)(1990)(1991)(1992)(1993)(1994)(1995)(1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004)(2005)(2006). These changes were significantly related with periodic largescale climate changes and cumulative regional-scale human impacts. The replacement of sardine/anchovy caused by a climate regime shift in the North Pacific contributed to the fish community regime shifts in Omura Bay. Moreover, habitat degradation such as depletion of dissolved oxygen combined with climate-induced changes in food web systems resulted in a rapid reduction in demersal fish. Contraction of the habitat volume due to an increase in oxygen-restricted water simplified the fish community structure and eventually reduced fishery landings in Omura Bay. These findings demonstrate that long-term fish community responses to largescale climate changes and regional-scale human impacts can be observed in a coastal enclosed bay, providing useful information for fisheries management in areas with climate and human-induced changes.

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Section: Discussionmentioning

confidence: 99%

The Response of Fish Communities to Climate and Human-Induced Changes Inferred from Fishery Landings in an Enclosed Bay

Chung

Suzaki

Kasai

et al. 2014

Estuaries and Coasts

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“…According to the definition of Takeshige et al . (), regimes were defined on the basis of temperature: warm‐regime I (1960–1975), cold‐regime (1976–1994) and warm‐regime II (1995–2007).…”

Section: Methodsmentioning

confidence: 99%

“…The western coast of Japan. Shaded areas indicate the borders of fishery zones (left, defined by Takeshige et al ., ), and a map showing the distribution of the spawning and fishing grounds of the Tsushima Warm Current stock (right).…”

Section: Introductionmentioning

confidence: 97%

“…The horizontal bars indicate the period of water temperature regimes defined by Takeshige et al . ().…”

Section: Introductionmentioning

confidence: 97%

“…One possible explanation for this synchronization is the optimal growth temperature hypothesis proposed by Takasuka et al (2007), which postulates that variations in ambient temperature induced by oceanic regime shifts could regulate the stock fluctuations by affecting the growth and survival of larvae. However, it has been pointed out that the fluctuations in juvenile and subadult anchovy catches off western coast of Kyushu Island could not be fully explained by variations in the seawater temperature (Takeshige et al, 2013a). Three distinct regimes were identified from the 1960s to the late 2000s on the basis of the cumulative sea surface temperature (SST) anomaly for the western coast of Kyushu Island (Takeshige et al, 2013a).…”

Section: Introductionmentioning

confidence: 99%

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Simulation of the impact of climate change on the egg and larval transport of Japanese anchovy (Engraulis japonicus) off Kyushu Island, the western coast of Japan

Takeshige

Miyake

Nakata

et al. 2015

Fisheries Oceanography

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In order to investigate the impact of climate change on egg and larval transport of Japanese anchovy (Engraulis japonicus) off Kyushu Island western Japan, we conducted particle-tracking simulations on transport success/failure to fishing grounds from 1960 to 2007. The modeled transport success since the mid1990s increased and decreased in the offshore and coastal zones, respectively, compared with the 1960s and 1970s. The estimated northward shift of the spawning ground and weakened Tsushima Warm Current contributed to increase in modeled transport success to the offshore zone. Conversely, the weakening trend of the modeled onshore current in the GotoNada Sea combined with the northward shift of the spawning ground resulted in unsuccessful larval transport. These results suggest that fluctuations in juvenile and subadult anchovy catches in this area may be attributable to changes in the physical environment. The present study showed that changes in transport success induced by oceanographic fluctuations related to climate change, have the potential to affect anchovy recruitment off the western coast of Japan.

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Coastal winds and larval fish abundance indicate a recruitment mechanism for southeast Australian estuarine fisheries

Schilling

Hinchliffe

Gillson

et al. 2020

Preprint

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Coastal winds transport larval fish towards the coast and estuaries where they ultimately recruit, yet our understanding of the mechanism of how different coastal winds interact to influence estuarine recruitment is incomplete. Here, we first demonstrate a two-stage recruitment mechanism showing that larvae of coastally spawned species increased in abundance with moderately strong upwelling favourable winds 14 days prior to sampling, reflecting increased nutrient and plankton availability for larval fish. The larvae of coastally spawned species increased in abundance with onshore (downwelling favourable) winds three days prior to sampling, which retain larvae near the coast, facilitating estuarine recruitment through onshore transport. Secondly, we show that effects of wind during the spawning period can be detected 2–8 years later (depending on the species) in estuarine commercial fisheries catch rates. Finally, we show in the southeast Australian region, upwelling favourable winds have increased while downwelling favourable winds have decreased since 1850, potentially reducing larval recruitment to estuaries. The two-stage wind mechanism identified in this study is likely applicable to other regions where wind driven upwelling occurs and influences onshore and offshore transport. Future research should incorporate coastal winds into predictions of estuarine catch rates.

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Effect of wind stress on the catch of Japanese anchovy Engraulis japonicus off northwestern Kyushu, Japan

Cited by 5 publications

References 29 publications

The Response of Fish Communities to Climate and Human-Induced Changes Inferred from Fishery Landings in an Enclosed Bay

The Response of Fish Communities to Climate and Human-Induced Changes Inferred from Fishery Landings in an Enclosed Bay

Simulation of the impact of climate change on the egg and larval transport of Japanese anchovy (Engraulis japonicus) off Kyushu Island, the western coast of Japan

Coastal winds and larval fish abundance indicate a recruitment mechanism for southeast Australian estuarine fisheries

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