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Effects of temperature, salinity, and food availability on shell growth rates of the Yesso scallop

Shell growth rates in relationship to seasonal changes of environmental factors were studied in a wild population of the Yesso scallop Mizuhopecten yessoensis inhabiting Amur Bay (Peter the Great Bay, Sea of Japan, Russia). It was found that food availability is not a limiting factor for the scallop...

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Autor principal: Silina, Alla V.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: PeerJ Inc. 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9951806/
https://www.ncbi.nlm.nih.gov/pubmed/36846447
http://dx.doi.org/10.7717/peerj.14886
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author Silina, Alla V.
author_facet Silina, Alla V.
author_sort Silina, Alla V.
collection PubMed
description Shell growth rates in relationship to seasonal changes of environmental factors were studied in a wild population of the Yesso scallop Mizuhopecten yessoensis inhabiting Amur Bay (Peter the Great Bay, Sea of Japan, Russia). It was found that food availability is not a limiting factor for the scallop growth in the study area. A phytoplankton biomass of 3.5–6.0 g m(–3) provided high scallop growth rates. The largest daily shell increments were observed with a phytoplankton biomass of about 6 g m(–3). With a decrease in the phytoplankton biomass to <2 g m(–3), as well as with an increase to >11 g m(–3), the daily shell increments reduced. It appeared that the main exogenous factors causing the seasonal variations in the scallop growth rates are the water temperature, which was too high in July and August (>18 °C) and too low in November–April (<4 °C), and the water salinity, which was too low (<30‰) for this stenohaline species in summer. The relationship of the daily shell increment in Yesso scallop with the water temperature can be described by a dome-shaped curve. The largest increments were observed at 8–16 °C. The dependence of the daily shell increments on the water salinity was also best described by a dome-shaped curve, showing the optimal range of 32.5–33.5‰. The revealed relationships, approximated by dome-shaped curves, evidently indicate that both insufficient and excessive effect of the factor negatively affects scallop growth. A suggestion was made to describe the result of the combined impact of several environmental factors on the daily shell increment as a multiplication of the functions of its dependence on each of the factors.
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spelling pubmed-99518062023-02-25 Effects of temperature, salinity, and food availability on shell growth rates of the Yesso scallop Silina, Alla V. PeerJ Conservation Biology Shell growth rates in relationship to seasonal changes of environmental factors were studied in a wild population of the Yesso scallop Mizuhopecten yessoensis inhabiting Amur Bay (Peter the Great Bay, Sea of Japan, Russia). It was found that food availability is not a limiting factor for the scallop growth in the study area. A phytoplankton biomass of 3.5–6.0 g m(–3) provided high scallop growth rates. The largest daily shell increments were observed with a phytoplankton biomass of about 6 g m(–3). With a decrease in the phytoplankton biomass to <2 g m(–3), as well as with an increase to >11 g m(–3), the daily shell increments reduced. It appeared that the main exogenous factors causing the seasonal variations in the scallop growth rates are the water temperature, which was too high in July and August (>18 °C) and too low in November–April (<4 °C), and the water salinity, which was too low (<30‰) for this stenohaline species in summer. The relationship of the daily shell increment in Yesso scallop with the water temperature can be described by a dome-shaped curve. The largest increments were observed at 8–16 °C. The dependence of the daily shell increments on the water salinity was also best described by a dome-shaped curve, showing the optimal range of 32.5–33.5‰. The revealed relationships, approximated by dome-shaped curves, evidently indicate that both insufficient and excessive effect of the factor negatively affects scallop growth. A suggestion was made to describe the result of the combined impact of several environmental factors on the daily shell increment as a multiplication of the functions of its dependence on each of the factors. PeerJ Inc. 2023-02-21 /pmc/articles/PMC9951806/ /pubmed/36846447 http://dx.doi.org/10.7717/peerj.14886 Text en ©2023 Silina https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.
spellingShingle Conservation Biology
Silina, Alla V.
Effects of temperature, salinity, and food availability on shell growth rates of the Yesso scallop
title Effects of temperature, salinity, and food availability on shell growth rates of the Yesso scallop
title_full Effects of temperature, salinity, and food availability on shell growth rates of the Yesso scallop
title_fullStr Effects of temperature, salinity, and food availability on shell growth rates of the Yesso scallop
title_full_unstemmed Effects of temperature, salinity, and food availability on shell growth rates of the Yesso scallop
title_short Effects of temperature, salinity, and food availability on shell growth rates of the Yesso scallop
title_sort effects of temperature, salinity, and food availability on shell growth rates of the yesso scallop
topic Conservation Biology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9951806/
https://www.ncbi.nlm.nih.gov/pubmed/36846447
http://dx.doi.org/10.7717/peerj.14886
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