Spatial difference in net growth rate of Yesso scallop Patinopecten yessoensis revealed by an aquaculture ecosystem model

Nan, Xueliang; Wei, Hao; Zhang, Haiyan; Nie, Hongtao

doi:10.1007/s00343-021-0423-4

Cited by 4 publications

(14 citation statements)

References 35 publications

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“…The YeSCE model (Nan et al, 2021) consists of a hydrodynamic model, Regional Ocean Modeling System (ROMS; Shchepetkin and McWilliams, 2005), an ecosystem model, carbon, silicate, and nitrogen ecosystem (CoSiNE; Xiu and Chai, 2014), and an offline dynamic energy budget (DEB) model (Kooijman, 2010) for the Yesso scallop. ROMS and CoSiNE were run simultaneously at 240 s time intervals with a homogeneous 1/24 • resolution in each horizontal direction (810 grid points in the study area) and 30 terrain-following vertical levels.…”

Section: Model Simulation Settingsmentioning

confidence: 99%

“…The temperature has a significant effect on their feeding, respiration, excretion, and enzyme activities (His et al, 1989;Verween et al, 2007;Rico-Villa et al, 2009;Jiang et al, 2020). Low-level food availability directly limits their growth (Nan et al, 2021). The match-mismatch conditions of temperature and food availability affect the growth of organisms (Laurel et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, we consider both plankton and organic detritus as the potential food sources for the Yesso scallop. The tempo-spatial variation in abundance and species of plankton are affected by temperature, salinity, and water mass (Yin et al, 2013;Liu et al, 2014), which makes the food availability of scallop also has obvious tempo-spatial variations in the NYS (Yuan et al, 2010;Nan et al, 2021). Due to the tempo-spatial variations between temperature and food availability, there will be a match and mismatch period between temperature and food availability for the growth of the Yesso scallop.…”

Section: Introductionmentioning

confidence: 99%

“…The objective of this study was to understand how bottomwater temperature and food availability affects interannual variations in bottom-cultured scallop growth and to develop an easily obtained parameter to indicate these variations. By coupling the high-resolution ecosystem model and the energy dynamic budget model, we built a Yesso scallop culture ecosystem (YeSCE) model for the Changhai sea area (Nan et al, 2021). The model includes physical processes such as advection, diffusion, and mixing, as well as biological processes such as planktonic ecosystems and scallop growth.…”

Section: Introductionmentioning

confidence: 99%

“…The model includes physical processes such as advection, diffusion, and mixing, as well as biological processes such as planktonic ecosystems and scallop growth. Preliminarily models suggested that the spatial variations in the scallop growth rates were mainly affected by the cumulative time of the suitable temperature and food availability (Nan et al, 2021). However, the interannual variations in the scallop growth have not been considered.…”

Section: Introductionmentioning

confidence: 99%

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Factors Influencing the Interannual Variation in Biomass of Bottom-Cultured Yesso Scallop (Patinopecten yessoensis) in the Changhai Sea Area, China

et al. 2022

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Understanding how environmental factors impact the interannual variation in scallop growth and subsequently developing an easily obtained parameter to indicate this variation could provide a scientific basis for optimizing their aquaculture. In this study, we have set a growth scenario of uniformly sowed scallops of the same initial size in the Changhai sea area. The Yesso scallop culture ecosystem model was used to simulate the growth of bottom-cultured Yesso scallop each year from December 1, 2006 to November 30, 2017. The results show that the annual growth rate was higher in the northwest than in the southeast, and there were obvious high-value areas near the islands. The scallop biomass was significantly lower in 2009–2010 and reached its highest point in 2013–2014. Based on the match-mismatch conditions of bottom-water temperature, food availability, and the Yesso scallop growth process, three factors were determined: suitable growth days (SGD), restricted growth days (RGD), and food accumulation (FA). Subsequently, a multiple regression relationship was proposed with scallop biomass to explore the reasons affecting the interannual variations in scallop growth. We found that the anomaly of the contribution of SGD and FA for the scallop growth was small, and the interannual variation in scallop biomass was mainly regulated by RGD in winter. Our results indicated that the interannual variation in RGD in winter was closely related to the regional averaged air temperature in early winter. The air temperature in early winter is easily obtained in practice. Consequently, it could be used to predict the interannual growth of bottom-cultured scallops to improve aquaculture planning and management.

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Section: Model Simulation Settingsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Factors Influencing the Interannual Variation in Biomass of Bottom-Cultured Yesso Scallop (Patinopecten yessoensis) in the Changhai Sea Area, China

et al. 2022

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A Modeling Study on Population Dynamics of Jellyfish Aurelia aurita in the Bohai and Yellow Seas

Zhang

Zhang²,

Lan

et al. 2022

Front. Mar. Sci.

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Jellyfish blooms have become a marine environmental issue with detrimental effects on marine ecosystems around the world. The jellyfish Aurelia aurita is one of dominant species of blooms worldwide and also in the Bohai and Yellow Seas (BYSs) of China. To investigate population dynamics and controlling factors on population biomass, a complex population-dynamic model is developed for jellyfish of A. aurita in the BYSs that includes three components, namely, a three-dimensional coupled physical–biogeochemical model, a Lagrangian particle-tracking model, and an energy balance model for the jellyfish life cycle. By comparison, the model well reproduces the individual growth and seasonal evolution of A. aurita population. During individual growth period, the temperature is a key factor controlling growth and dry weight, characterized by a nearly linear growth rate. Longer period tends to favor larger medusa size and further to promote the biomass. The yearly peak biomass shows interannual variations that are controlled by the jellyfish magnitude, food concentration, and effective accumulative temperature of growth, with their contributions quantified through statistical analyses. Only considering the effect of temperature, the yearly peak biomass can be obtained through the durations of suitable temperature ranges for strobilization and individual growth that determines the magnitude and the averaged individual weight, respectively, with longer strobilation duration leading to higher magnitude. The simplified statistical relationships would favor to understand the temperature control on population dynamics of A. aurita.

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Biological Aspects, Fisheries, and Aquaculture of Yesso Scallops in Russian Waters of the Sea of Japan

Dvoretsky

2022

Diversity

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Scallops are bivalve filter-feeding mollusks that can attain a large size and have great importance in terms of their ecological roles and commercial value. Overfishing has led to a decrease in scallop stocks worldwide, leading to intense development of the aquaculture industry. The latter is well-established in Asian countries in the East Sea and Sea of Japan. In this paper, we summarized information regarding the biology, stock dynamics, and fishery of yesso scallops inhabiting Russian waters of the Sea of Japan. This species has relatively rapid growth rates and reaches a marketable size of 100 mm in shell height at age 3–5 years. In Russian waters, the total commercial stock of yesso scallops in 2021 was estimated at 2784 t. Commercial fisheries have been banned since 2020 due to the depletion of natural stocks as a result of illegal fishing and overexploitation. The total allowable catch for yesso scallops has been set at 3 t for monitoring and recreational purposes. The cultivation of the scallops includes spat collection, spat intermediate culture, and final grow-out on the seafloor or in suspended cages. In the past decade, this industry has demonstrated rapid growth and currently accounts for >16,000 t per year. Environmental fluctuations and epizootics seem to be the most important challenges for the scallop aquaculture sector in the Sea of Japan.

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Spatial difference in net growth rate of Yesso scallop Patinopecten yessoensis revealed by an aquaculture ecosystem model

Cited by 4 publications

References 35 publications

Factors Influencing the Interannual Variation in Biomass of Bottom-Cultured Yesso Scallop (Patinopecten yessoensis) in the Changhai Sea Area, China

Factors Influencing the Interannual Variation in Biomass of Bottom-Cultured Yesso Scallop (Patinopecten yessoensis) in the Changhai Sea Area, China

A Modeling Study on Population Dynamics of Jellyfish Aurelia aurita in the Bohai and Yellow Seas

Biological Aspects, Fisheries, and Aquaculture of Yesso Scallops in Russian Waters of the Sea of Japan

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