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Potentials of Natural Tree Regeneration after Clearcutting in Subalpine Forests

Title data

Kreyling, Jürgen ; Schmiedinger, Andreas ; Macdonald, Ellen ; Beierkuhnlein, Carl:
Potentials of Natural Tree Regeneration after Clearcutting in Subalpine Forests.
In: Western Journal of Applied Forestry. Vol. 23 (2008) Issue 1 . - pp. 46-52.
ISSN 0885-6095

Abstract in another language

Regeneration of interior mountain forests still is not adequately understood, although these forests are subject to intensified use over the last decades. We examined factors influencing the success of natural tree regeneration following harvesting in the Engelmann Spruce Subalpine Fir zone (ESSF) of the Monashee Mountains, British Columbia, Canada. Distance from the forest edge was an important factor for regeneration; at distances exceeding 70m from the forest edge only 50% of plots showed sufficient natural regeneration to meet stocking targets compared to 90% closer to forest edges. Seedling density and growth were superior in the more protected southern portions of clearcuts. Seedling growth was less in plots containing high cover of downed woody debris. There was no relationship between understory plant diversity or composition and tree seedling regeneration. However, cover of fireweed (Epilobium angustifolium) had a significant negative relationship with density, but not growth, of tree seedlings, particularly for lodgepole pine (Pinus contorta var. latifolia). Cover of fireweed declined substantially within the first decade after clear-cutting. We conclude that natural regeneration of trees has potential to help achieve stocking targets and also to maintain natural diversity of tree species if spatial constraints, especially thresholds in clearcut size, are considered.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER40297
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Biogeography
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Biogeography > Chair Biogeography - Univ.-Prof. Dr. Carl Beierkuhnlein
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 05 Jun 2015 06:19
Last Modified: 05 Jun 2015 06:19
URI: https://eref.uni-bayreuth.de/id/eprint/14760