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Articles containing the keyword 'mountain forests'
Category : Research article
article id 406,
category
Research article
(2004).
Growth and recruitment after mountain forest selective cutting in irregular spruce forest. A case study in Northern Norway.
Silva Fennica
vol.
38
no.
4
article id 406.
https://doi.org/10.14214/sf.406
Abstract |
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Author Info
During the last thirty years the interest for the use of selective cutting in the sub-alpine spruce forests of Norway has increased. However, there have been very few investigations on the post harvesting development after such cuttings. Four plots in irregular Norway spruce (Picea abies (L.) Karsten) dominated forests on semi-fertile sites in Northern Norway have been the subjects of a case study. We performed a reconstruction of the stand development by means of biometric assessments and ring widths measurements of all standing trees. Tree ages, stand structure, growth and recruitment were examined. Even though a hypothetical reverse J-curve for the present diameter distribution was identified, the four plots were even-aged. Growth reactions indicate that most of the present sawtimber trees were established after heavy dimension cuttings in the late 19th century. The recruitment situation is characterized as satisfying in one of four plots. The post harvesting mean volume increment on the plots have been about two thirds of the potential yield estimated from site indices and maximum mean annual increment in regular stands. Managing strategies for irregular spruce forest stands are briefly discussed.
-
Øyen,
Norwegian Forest Research Institute-Bergen, Fanaflaten 4, N-5244 Fana, Bergen, Norway
E-mail:
bernt-havard.oyen@skogforsk.no
- Nilsen, Norwegian Forest Research Institute-Bergen, Fanaflaten 4, N-5244 Fana, Bergen, Norway E-mail: pn@nn.no
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