RAS Earth ScienceОкеанология Oceanology

  • ISSN (Print) 0030-1574
  • ISSN (Online) 3034-5979

THE EFFECT OF SMALL DOSES OF -RADIATION ON CARBON ASSIMILATION BY A NATURAL COMMUNITY OF MICROPLANKTON

PII
S30345979S0030157425040073-1
DOI
10.7868/S3034597925040073
Publication type
Article
Status
Published
Authors
Volume/ Edition
Volume 65 / Issue number 4
Pages
618-626
Abstract
In the Kara Sea, a study was conducted on the effect of small doses of -radiation from an external source of K (E=1.46 MeV) on the process of carbon assimilation by a natural population of microplankton. The results of measuring the rate of carbon assimilation by the plankton community under the influence of -radiation from external sources with an activity of 269 Bq and 376 Bq showed a multidirectional effect of its influence on carbon assimilation in the light and in the dark. In the surface layer, the rate of carbon assimilation in light samples with a source activity of 269 Bq increased by an average of 1.2 times. It was shown that with a -radiation source activity of 376 Bq, the average rate of carbon assimilation in the light increases by an average of 1.4 times. A comparison of the rate of dark carbon assimilation in -radiation from sources with an activity of 269 Bq and 376 Bq showed its decrease by an average of 1.6 times relative to the background, regardless of the dose rate.
Keywords
радиоэкология низкие мощности доз ассимиляция углерода Карское море
Date of publication
16.01.2025
Year of publication
2025
Number of purchasers
0
Views
27

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