Structure and Dynamics of Coarse Woody Debris Stocks in Middle-Taiga Bilberry Pine Forests
| Autor: | V. A. Anan’ev, S. A. Moshnikov, I. V. Romashkin |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
0303 health sciences
Detritus Bilberry 030302 biochemistry & molecular biology Taiga Forestry 04 agricultural and veterinary sciences Biology 03 medical and health sciences Age groups Abundance (ecology) 040103 agronomy & agriculture 0401 agriculture forestry and fisheries Coarse woody debris Ecology Evolution Behavior and Systematics Stock (geology) |
| Zdroj: | Russian Journal of Ecology. 52:136-145 |
| ISSN: | 1608-3334 1067-4136 |
| Popis: | The purpose of this study was to ascertain the stocks of coarse woody debris (CWD) in bilberry pine forests in the southern part of the Republic of Karelia (the middle taiga subzone) and evaluate age-related changes in CWD abundance, stocks, and structure and reveal patterns in their dynamics. Analysis of data from 160 sample plots has shown that the amount of CWD decreases with age: on average, from 1525 (SE ± 12) pcs/ha in young stands to 805 (SE ± 13) pcs/ha in premature ones and 507 (SE ± 7) pcs/ha in overmature stands. On the contrary, the stocks of wood detritus increase from 21 (SE ± 2.6) m3/ha in young stands to 32 (SE ± 2.9) m3/ha in premature stands and 69 (SE ± 6.8) m3/ha in overmature stands. CWD stocks differ in the composition of components: with respect to the number of trunks, standing deadwood prevails in young and middle-aged stands, with the proportion of downed deadwood gradually increasing over time; with respect to the stock, downed deadwood prevails in all age groups except middle-aged stands. The degree of CWD decay gradually increases with stand aging. |
| Databáze: | OpenAIRE |
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