THE STOCK OF ABOVEGROUND PHYTOMASS AND CENOTIC CHARACTERISTICS THE LIVING GROUND COVER OF THE GOUTWEED BLACK ALDER FOREST TYPE IN THE CHERNOBYL NUCLEAR POWER PLANT EXCLUSION ZONE

UDC 630*182.47:630*228.8(630*176.321.5)

 

Uglyanets Anatoliy Vladimirovich – PhD (Agriculture), Associate Professor, Leading Researcher, the Department of Ecology of Vegetative Complexes. Polesye State Radiation-Ecological Reserve (7, Tereshkova str., 247618, Khoiniki, Republic of Belarus). E-mail: uhlianets@mail.ru

Shumak Svetlana Vasilyevna – Master of Agriculture Sciences, Junior Researcher, the Department of Ecology of Vegetative Complexes. Polesye State Radiation-Ecological Reserve (7, Tereshkova str., 247618, Khoiniki, Republic of Belarus). E-mail: shumaksvetlana@mail.ru

Garbaruk Dmitriy Konstantinovich – Head of the Department of Ecology of Vegetative Complexes. Polesye State Radiation-Ecological Reserve (7, Tereshkova str., 247618, Khoiniki, Republic of Belarus).

E-mail: dima.garbaruk.77@mail.ru

 

DOI: https://doi.org/ 10.52065/2519-402X-2024-282-7.

 

Key words: Chernobyl Nuclear Power Plant Exclusion Zone, goutweed black alder forest type, living ground cover, cenotic characteristics, aboveground phytomass.

For citation: Uglyanets A. V., Shumak S. V., Garbaruk D. K. The stock of aboveground phytomass and cenotic characteristics the living ground cover of the goutweed Black alder forest type in the Chernobyl Nuclear Power Plant Exclusion Zone. Proceedings of BSTU, issue 1, Forestry. Nature Management. Processing of Renewable Resources, 2024, no. 2 (282), pp. 56–66 (In Russian). DOI: 10.52065/2519-402X-2024-282-7.

Abstract

The prolonged absence of forestry activities in the Chernobyl Nuclear Power Plant Exclusion Zone ensured the natural development of forest phytocenoses and led to an increase in the age of stands. The relative poverty of the modern species composition of the living ground cover, its spatial heterogeneity and time variability have been established in the high-age stands of goutweed black alder (Gluninosa-Alnetum aegopodiosum) forest type derived from oak forests. Changes in the occurrence and abundance of a number of species, a decrease in the indicator role of the Aegopodium podagraria L. and an increase in the abundance of nitrophilic species were revealed. In the ecological structure of living ground cover, there is a gradual increase in the specific gravity of mesophytic plants due to a decrease in the proportion of hygrophytes and mesohygrophytes, there is a tendency to change species demanding soil richness to less demanding ones. But its ecological status remains unchanged. The stock of aboveground phytomass of living ground cover in Gluninosa-Alnetum aegopodiosum forest type is 607 kg/ha. Most of it (60.3%) is accumulated by several tall species. The stock is in close statistical connection with the total projective soil coverage of herbaceous plants, which is 65%. The values of these indicators determine the illumination of the grass layer, interspecific competitive relationships, and the influence of wild ungulates. Changes in the living ground cover are caused by global warming, the growth of drought events and the consequences of large-scale drainage of swamps in the region in the 1960–1980s, which led to a steady decrease in soil moisture supply.

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