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Seedling and tree growth after Chequered-Gap-Shelterwood-Cutting and in conventional clear-cutting system

Erefur, Charlotta and Axelsson, Petter and Nordin, Annika and Bergsten, Urban and Ulvcrona, Kristina (2015). Seedling and tree growth after Chequered-Gap-Shelterwood-Cutting and in conventional clear-cutting system. I/In: The 17th IBFRA conference: Towards a new era of forest science in the boreal region, May 24-29 2015, Rovaniemi Finland.
[Conference Paper] (Unpublished)

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Abstract

To achieve sustainability both ecological and production aspects need to be considered in forest management. Chequered gap shelter wood system (CGSS), consist of small clear-felled gaps with alternating areas of trees, giving the forest a chessboard appearance which potentially could combine the advantages from both the clear-cut system and continuous cover forestry. This approach will introduce more edges which might influence the effect of wind, temperature and solar radiation on seedlings and trees. In this study we evaluate 1) the influence of the forest edge and 2) the north- and south facing part in the gaps on the growth of seedlings and trees (Pinus sylvestris and Picea abies) in gaps and shelter forests, respectively, and compare the growth with that in a conventional clearcutting system. Overall, edges effected seedling growth negatively and tree growth positively. Seedlings also grew better at the northern sun exposed parts compared to the southern shaded parts of the gaps. As a consequence of these edge effects seedlings had a lower, and shelter trees a higher, growth in the CGS-system compared to the reference areas. Seedlings in the central part of the gaps grew better than seedlings in the reference area. Norwegian spruce seems to be the most suited tree species for this silvicultural approach. Given the contrasting effect of edges on seedlings and trees the production over the whole rotation need to be evaluated in future studies.

Authors/Creators:Erefur, Charlotta and Axelsson, Petter and Nordin, Annika and Bergsten, Urban and Ulvcrona, Kristina
Title:Seedling and tree growth after Chequered-Gap-Shelterwood-Cutting and in conventional clear-cutting system
Series/Journal:Natural resources and bioeconomy studies (2342-7639)
Year of publishing :2015
Volume:29
Number:29
Page range:69
Number of Pages:1
Place of Publication:Helsinki Finland
Publisher:Natural Resources Institute Finland
ISBN for printed version:978-952-326-032-0
ISSN:2342-7639
Language:English
Publication Type:Conference Paper (Other)
Refereed:Yes
Article category:Other scientific
Version:Published version
Full Text Status:Public
Agris subject categories.:K Forestry > K01 Forestry - General aspects
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Forest Science
Agrovoc terms:growth, trees
Keywords:Scots pine, Norway spruce, light, plant growth
URN:NBN:urn:nbn:se:slu:epsilon-e-3654
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-3654
ID Code:12940
Faculty:S - Faculty of Forest Sciences
Department:(S) > Unit for Field-based Forest Research
(S) > Department of Forest Biomaterials and Technology (from 131204)
(S) > Dept. of Forest Ecology and Management
(S) > Dept. of Forest Genetics and Plant Physiology
Deposited By: SLUpub Connector
Deposited On:12 Sep 2016 10:42
Metadata Last Modified:12 Sep 2016 10:42

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