Abstract
Features of the growth of a population of the polychaete worm Spiochaetopterus typicus from the Pechora Sea are studied based on its size and age structure. Using a linear modification of the Bertalanffy equation, some individuals are found to be able to last up to eight years, this being confirmed in practice by the number of annual layers on their tubes. Correlations between the diameter of the body, tubes, and weight of the worm are obtained. A method for calculating the biomass of S. typicus polychaetes with smaller errors is proposed based on the diameter of their tubes; in the case of mass material, the biomass should be calculated using an average value of polychaete individuals equal to 1.5 ± 0.2 g.
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ACKNOWLEDGMENTS
The author is grateful for help in working on this article to the V.V. Potin, senior curator of the collection of higher worms of the Institute of Zoology, Russian Academy of Sciences, and to S.G. Denisenko and B.I. Sirenko, employees of the Institute of Zoology, Russian Academy of Sciences.
Funding
This work was carried out as part of the research on the topic of state budget financing “Taxonomy, Biodiversity, and Ecology of Invertebrates in Russian and Adjacent Waters of the World Ocean, Continental Water Bodies, and Humid Areas,” project no. 1021051402797-9, at the Zoological Institute, Russian Academy of Sciences, and with the financial support of the Russian Foundation for Basic Research, project no. 18-05-60157 “Secular Changes in the Bottom Ecosystems of the Arctic seas of Russia, Current State, and Forecast.” The study used the materials of the Unique Storage Collection, Institute of Zoology, Russian Academy of Sciences, no. 2-2.20 (http://www.ckp-rf.ru/usu/73561/).
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Gagaev, S.Y. Growth Features of the Polychaete Worm Spiochaetopterus typicus (Chaetopteridae). Biol Bull Russ Acad Sci 50, 1648–1652 (2023). https://doi.org/10.1134/S1062359023070087
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DOI: https://doi.org/10.1134/S1062359023070087