Ecological Safety of Coastal and Shelf Zones of Sea Ecological Safety of Coastal and Shelf Zones of Sea 2413-5577 20230407 Research Article A Simulation Growth Model for the Cultured Oyster Ostrea edulis L. Filippova T. A.
Russian Federation
filippovata@mhi-ras.ru Vasechkina E. F.
Russian Federation
vasechkina.elena@gmail.com Marine Hydrophysical Institute of RAS Sevastopol Russian Federation 20 12 2023 2023 4 87 100 03 07 2023 11 10 2023 29 07 2023 Copyright © 2023, T. A. Filippova, E. F. Vasechkina 2023 T. A. Filippova, E. F. Vasechkina https://creativecommons.org/licenses/by-nc/4.0/ https://ecological-safety.ru/en/repository/issues/2023/04/07/

Cultivation of the flat oyster Ostrea edulis L., which has lost its commercial value due to reduction in abundance, is a relevant task. Simulation models of the flat oyster's growth can be used to improve oyster cultivation methods. The proposed simulation model of the O. edulis growth dynamics is based on the principles of dynamic energy balance. The model uses approximations of the oyster's physiological processes (filtration, respiration, excretion, growth, spawning) derived from published observational data. The paper determines functional dependencies of approximation parameters on the environmental conditions. The model was validated using in situ data on the linear and weight growth of the oyster O. edulis cultured in Donuzlav Bay for 30 months from April 2001 to October 2003. The model allowed us to obtain the dynamics of the energy balance components of the flat oyster at different life-cycle stages. The resulting quantitative distribution of growth energy between generative and somatic tissues of the oyster is confirmed by the qualitative description of the oyster's tissue growth based on in situ measurements. The developed model reproduces well the qualitative and quantitative characteristics of the flat oyster functioning processes. The model of the oyster's energy balance can be used as a block of a complex ecological model simulating the cultivation of mollusks on an oyster farm.

 flat oyster Ostrea edulis Donuzlav Bay energy balance model mariculture The work was performed under state assignment on topic FNNN-2021-0005 "Complex interdisciplinary research of oceanologic processes, which determine functioning and evolution of the Black and Azov Sea coastal ecosystems".

About the authors:

Tatiana A. Filippova, Junior Research Associate, Marine Hydrophysical Institute of RAS (2 Kapitanskaya St., Sevastopol, 299011, Russian Federation), ORCID: 0000-0001-5762-5894, Scopus Author ID: 56190548500, ResearcherID: AAO-5512-2020, filippovata@mhi-ras.ru

Elena F. Vasechkina, Deputy Director for Research, Methodology and Education, Marine Hydrophysical Institute of RAS (2 Kapitanskaya St., Sevastopol, 299011, Russian Federation), DrSci (Geogr.), ORCID: 0000-0001-7007-9496, Scopus Author ID: 6507481336, ResearcherID: P-2178-2017, vasechkina.elena@gmail.com

Contribution of the authors:

Tatiana A. Filippova – computational model development, performance of simulation experiments, data analysis, article text writing

Elena F. Vasechkina – conceptual model, parametrisation selection, modelling results analysis, text editing

All the authors have read and approved the final manuscript.

Article text not included.

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