Amount and quality of coarse woody debris in natural and managed coniferous forests near the timberline in Finnish Lapland

Anna-Liisa Sippola, J. Siitonen, R. Kallio

Tutkimustuotokset: Kirjoitus lehdessä tai erikoisnumeron toimittaminenArtikkeliTieteellinenvertaisarvioitu

117 Sitaatiot (Scopus)

Abstrakti

Amount and structural characteristics of coarse woody debris (CWD) were studied in 44 stands of old-growth and managed coniferous forests in Finnish Lapland. The average volume of CWD in old-growth forests varied from 19 m3 ha-1 in pine forests to 60 m3 ha-1 in herb-rich spruce-dominated forests. The volumes of living and dead timber were highly correlated, the most productive sites having the highest volumes. In old-growth forests about 60-70% of the CWD was logs, 30-40% standing dead trees and snags, and 3.5-7% stumps and branches. The amount of CWD decreased considerably in clear-cutting, but increased or remained the same in seed-tree and selective cuttings in the short term. However, the accumulation rate of new dead material was greatly reduced after cutting. In 40-year-old seed-tree cutting areas the new supply of CWD, created by recent disturbance and mortality, was less than 1% of the respective amount in old-growth forest. All cutting methods reduced standing dead trees and snags considerably.
Alkuperäiskielienglanti
Sivut204-214
Sivumäärä11
JulkaisuScandinavian Journal of Forest Research
Vuosikerta13
Numero2
TilaJulkaistu - 1998
OKM-julkaisutyyppiA1 Vertaisarvioitu alkuperäisartikkeli

Tieteenala

  • Ekologia, evoluutiobiologia

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