淡水珍珠贝marmartifera marmartifera(双壳目，marmartifera科)，Vuokinjoki河种群的生长参数

IF 0.7 4区生物学 Q4 ZOOLOGY

Malacologia Pub Date : 2020-09-10 DOI:10.4002/040.063.0107

A. Zotin, S. Murzina, K. A. Filippova, E. Ieshko

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引用次数: 1

摘要

摘要研究了Vuokinjoki河淡水珍珠贻贝(Margaritifera Margaritifera)的个体线性生长速率。生长减速系数在个体间变化较大，差异显著。人口增长减速系数的平均值为0.069。Vuokinjoki河中贻贝的生长伴随着三种规律的生物节律。这些生物节律周期在个体的个体发育和贻贝之间大致是恒定的。她们的平均寿命分别为13.3年、6.4年和4.0年。生长减速系数a取决于贻贝的年龄。讨论了库姆水电站梯级建设引起的水情扰动对其生长速率的影响。

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Growth Parameters of the Freshwater Pearl Mussel Margaritifera margaritifera (Bivalvia, Margaritiferidae), Vuokinjoki River Population (Karelia)

ABSTRACT Individual linear growth rates were studied in the freshwater pearl mussel Margaritifera margaritifera from the Vuokinjoki River. Growth deceleration coefficients were shown to vary widely and differ significantly among individuals. The average value of the growth deceleration coefficient for the population is 0.069. The growth of mussels in the Vuokinjoki River is accompanied by three regular biorhythms. These biorhythm periods were roughly constant both through an individual's ontogeny and among mussels. Their average periods were 13.3, 6.4, and 4.0 years. The growth deceleration coefficient a depends on the age of the mussels. We discuss the possibility that the hydrological regime disturbance caused by the Kem hydropower plants' cascade construction could influence the growth rate.

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来源期刊

Malacologia 生物-动物学

CiteScore

2.00

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Malacologia publishes papers on all groups of the Mollusca. Malacologia specializes in publishing long papers and monographic treatments. Complete data are especially appreciated. Papers must be of interest to an international readership. Papers in systematics, ecology, population ecology, genetics, molecular genetics, evolution and phylogenetic treatments are especially welcomed. Also welcomed are letters to the editor involving papers published or issues of import to science of the day.