Radioecological Studies of the Marsh Frog in Reservoirs of the Middle Urals

IF 0.8 4区生物学 Q4 MARINE & FRESHWATER BIOLOGY

Inland Water Biology Pub Date : 2024-07-13 DOI:10.1134/s1995082924700123

M. Ya. Chebotina, V. P. Guseva, D. L. Berzin

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Abstract

A study of the accumulation of radionuclides ⁹⁰Sr, ¹³⁴Cs, and ¹³⁷Cs by the marsh frog Pelophylax ridibundus Pall., 1771 living in the areas of the reservoirs of the Middle Urals has been carried out. The variability of size and mass indicators and concentrations of radionuclides in animals in the surveyed area is noted. Increased concentrations of ¹³⁷Cs and ¹³⁴Cs are detected in some amphibian representatives when compared with average values. A significant decrease in the concentration of ⁹⁰Sr in frogs with an increase in raw body weight is found in much statistical material. An analysis of the data obtained on the concentrations of ⁹⁰Sr and ¹³⁷Cs in frogs of different sexes did not reveal a significant difference in the accumulation of either radionuclides between male and female animals or ⁹⁰Sr by striata and strieless amphibians. It is shown that radionuclides ⁹⁰Sr and ¹³⁷Cs enter the body of an animal from water much more than from the ground, while, with an increase in the concentration of radionuclide in the habitat, the coefficients of their transition into the animal body decrease.

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乌拉尔中部水库中沼泽蛙的放射生态学研究

摘要对生活在乌拉尔中部水库地区的沼泽蛙 Pelophylax ridibundus Pall., 1771 的放射性核素 90Sr、134Cs 和 137Cs 的积累情况进行了研究。研究注意到调查地区动物体内放射性核素的大小、质量指标和浓度的变化。与平均值相比，在一些两栖动物代表体内检测到 137Cs 和 134Cs 的浓度增加。在许多统计资料中发现，随着原始体重的增加，蛙类体内的 90Sr 浓度明显下降。对不同性别蛙类体内 90Sr 和 137Cs 浓度的数据进行分析后发现，雌雄动物或有纹两栖动物和无纹两栖动物体内 90Sr 的放射性核素累积量没有明显差异。研究表明，放射性核素 90Sr 和 137Cs 从水中进入动物体内的数量远远多于从地面进入动物体内的数量，而随着栖息地中放射性核素浓度的增加，它们进入动物体内的系数也会降低。

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来源期刊

Inland Water Biology 生物-海洋与淡水生物学

CiteScore

1.30

自引率

55.60%

发文量

审稿时长

6-12 weeks

期刊介绍： Inland Water Biology publishes thematic reviews and original papers devoted to flora and fauna in waterbodies, biodiversity of hydrobionts, biology, morphology, systematics, ecology, ethology, ecological physiology and biochemistry of aquatic organisms, patterns of biological cycle, structure and functioning of aquatic ecosystems, anthropogenic and uncontrolled natural impacts on aquatic organisms and ecosystems, invasion of nonindigenous species into ecosystems and their ecology, methods of hydrobiological and ichthyological studies.