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Structure and Stock of Phytomass as Indicators of the Stage of Demutation of Steppe Fallow Lands in Tyva.

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Title: Structure and Stock of Phytomass as Indicators of the Stage of Demutation of Steppe Fallow Lands in Tyva.
Authors: Makunina, N. I.1 (AUTHOR) natali.makunina@mail.ru, Sambuu, A. D.2 (AUTHOR)
Source: Russian Journal of Ecology. Oct2022, Vol. 53 Issue 5, p357-365. 9p.
Subjects: Fallowing, Steppes, Communities, Age differences
Geographic Terms: Tuva (Russia)
Abstract: Abstract—The following empirical conclusions have been statistically verified: each stage of succession has a definite duration; during succession, the stock of above-ground and underground phytomass decrease and increase, respectively; however, at the terminal stages, the stock of underground phytomass is considerably less compared to virgin steppes. The work was based on 54 samples of phytomass from fallow land communities and virgin steppes; they were taken in the period from 1994 to 2020 in the four steppe intermontane basins of Tyva. Quantitative characteristics of the reserves of live above-ground, dead above- and underground phytomass at each stage of demutation of Tyva fallow lands have been obtained for the first time. The stages of demutation of fallow lands in Tyva are substantially different in the stock of either above-ground or underground phytomass. Significant differences in the age of fallow lands were shown only between the initial (stages 1 and 2) and terminal (stages 3 and 4) stages of demutation. It has been confirmed that the underground phytomass of virgin steppes is higher compared to communities of the terminal stages of fallow succession. [ABSTRACT FROM AUTHOR]
Copyright of Russian Journal of Ecology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Structure and Stock of Phytomass as Indicators of the Stage of Demutation of Steppe Fallow Lands in Tyva.
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  Data: <searchLink fieldCode="JN" term="%22Russian+Journal+of+Ecology%22">Russian Journal of Ecology</searchLink>. Oct2022, Vol. 53 Issue 5, p357-365. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Fallowing%22">Fallowing</searchLink><br /><searchLink fieldCode="DE" term="%22Steppes%22">Steppes</searchLink><br /><searchLink fieldCode="DE" term="%22Communities%22">Communities</searchLink><br /><searchLink fieldCode="DE" term="%22Age+differences%22">Age differences</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Tuva+%28Russia%29%22">Tuva (Russia)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract—The following empirical conclusions have been statistically verified: each stage of succession has a definite duration; during succession, the stock of above-ground and underground phytomass decrease and increase, respectively; however, at the terminal stages, the stock of underground phytomass is considerably less compared to virgin steppes. The work was based on 54 samples of phytomass from fallow land communities and virgin steppes; they were taken in the period from 1994 to 2020 in the four steppe intermontane basins of Tyva. Quantitative characteristics of the reserves of live above-ground, dead above- and underground phytomass at each stage of demutation of Tyva fallow lands have been obtained for the first time. The stages of demutation of fallow lands in Tyva are substantially different in the stock of either above-ground or underground phytomass. Significant differences in the age of fallow lands were shown only between the initial (stages 1 and 2) and terminal (stages 3 and 4) stages of demutation. It has been confirmed that the underground phytomass of virgin steppes is higher compared to communities of the terminal stages of fallow succession. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Russian Journal of Ecology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1134/S106741362205006X
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      – Code: eng
        Text: English
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      – SubjectFull: Fallowing
        Type: general
      – SubjectFull: Steppes
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      – SubjectFull: Communities
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      – SubjectFull: Age differences
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      – SubjectFull: Tuva (Russia)
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      – TitleFull: Structure and Stock of Phytomass as Indicators of the Stage of Demutation of Steppe Fallow Lands in Tyva.
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              Text: Oct2022
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