Environmental Dynamics and Global Climate Change, volume 15, issue 2, pages 98-104

Features of distribution of a number of rare and protected plant species in the territories of oligotrophic and mesotrophic mires within oil fields of Khanty-Mansi Autonomous Area – Yugra

E.A. SHISHKONAKOVA 1
1
 
Почвенный институт имени В. В. Докучаева
Publication typeJournal Article
Publication date2024-10-21
SJR
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ISSN25419307, 22184422
Abstract

The technogenic transformation of oligotrophic and mesotrophic mires, which occurs during the functioning of the infrastructure of oil fields, leads to the emergence of new habitats with fundamentally different conditions, previously uncharacteristic for these biogeocenoses. Expansion of areas of eutrophicated soils, pollution with oil and chlorides, subsequent reclamation measures, the formation of embankments from mineral soil – all these disturbance types create the preconditions for the disappearance of rare plants, however, in parallel, the introduction of new species that also have a protected status is noted. Transformed areas of mires can become refugia for endangered and protected plants. Three groups of plants can be distinguished, related to the nature of the technogenically transformed substrates on which they settle. The first group includes plants that settle exclusively on peat, the second includes species found on mineral substrates introduced into mires, the third group includes species that can grow both on mineral substrates and technogenically eutrophicated peat soils. The article provides characteristics of a number of transformed habitats that arose in the mire areas of the – Khanty-Mansi Autonomous Area – Yugra, within which rare and protected species were found. Among the plants whose distribution in the mires of the district is largely due to the expansion of human economic activity, mention should be made of Thelypteris palustris, Lycopodiella inundata, Typha angustifolia, liverwort Heterogemma laxa, etc.

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