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Changes in species occurrence and phytomass after clearfelling, prescribed burning and slash removal in two Swedish spruce forests

Nykvist, Nils (1997). Changes in species occurrence and phytomass after clearfelling, prescribed burning and slash removal in two Swedish spruce forests. Technical Report. Uppsala: (S), Sveriges lantbruksuniversitet. Studia forestalia Suecica ; 201
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Abstract

In two old Norway spruce stands, the one at Garpenberg in middle Sweden, the other at Flakaträsk in northern Sweden, the phytomass of the field- and ground-layer was measured before clearfelling and one and four years later. The phytomass of the field-layer was also measured 10 and 16 years after clearfelling. Of 13-14 plant species originally in the field-layer, 2-3 were not found after clearfelling. In contrast, 15 and 9 new species appeared on the plots on which slash was left, at Garpenberg and at Flakaträsk. Some were short-lived, and 16 years after clearfelling, only 11 and 7; respectively, persisted. Corresponding figures for the plots from which slash was removed were 9 and 8; and for the burnt plots 11 and 9. Clearfelling of the old forests at Garpenberg and Flakaträsk also increased the phytomass of the field-layer. Removal of slash decreased the phytomass of some species, increased it for others. During the first few years after burning, phytomass on the burnt plots was less than that on the controls, but three years later it was similar to that on the unburnt plots. The spatial variation in phytomass was great, and no significant difference was found between treatments after clearfelling. The biomass of the most common moss species of Swedish coniferous forests declined strongly after clearfelling. Two new mosses appeared on the clearfelled plots, viz. Polytrichum spp. and Ceratodon purpureus; the latter being found only on burnt plots at Flakaträsk four years after burning.

Authors/Creators:Nykvist, Nils
Title:Changes in species occurrence and phytomass after clearfelling, prescribed burning and slash removal in two Swedish spruce forests
Series/Journal:Studia forestalia Suecica (0039-3150)
Year of publishing :1997
Number:201
Number of Pages:33
Place of Publication:Uppsala
Publisher:Swedish Univ. of Agricultural Sciences
ISBN for printed version:91-576-5380-1
ISSN:0039-3150
Language:English
Publication Type:Report
Refereed:No
Full Text Status:Public
Subjects:Obsolete subject words > FORESTRY, AGRICULTURAL SCIENCES and LANDSCAPE PLANNING > Plant production > Forestry
Keywords:Field-layer vegetation, mosses, Picea abies, Pinus sylvestris, plantations, age
URN:NBN:urn:nbn:se:slu:epsilon-1-52
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-1-52
ID Code:3018
Department:(S)
Deposited By: Aina Svensson
Deposited On:22 Jan 2007 00:00
Metadata Last Modified:02 Dec 2014 10:19

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