Seedling establishment on small cutting areas with or without site preparation in a drained spruce mire – a case study in northern Finland
A large proportion of drained spruce mire stands is currently approaching regeneration maturity in Finland. We studied the effect of cutting â small canopy openings (78, 177, and 314Â m) and small clear-cuts (0.25â0.37 ha) â with or without site preparation (scalping) on the establishment of natural...
Published in: | Silva Fennica |
---|---|
Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Finnish Society of Forest Science
2012
|
Subjects: | |
Online Access: | https://doi.org/10.14214/sf.920 https://doaj.org/article/dd13489fc2104766860ee89e064443be |
id |
ftdoajarticles:oai:doaj.org/article:dd13489fc2104766860ee89e064443be |
---|---|
record_format |
openpolar |
spelling |
ftdoajarticles:oai:doaj.org/article:dd13489fc2104766860ee89e064443be 2023-05-15T17:42:23+02:00 Seedling establishment on small cutting areas with or without site preparation in a drained spruce mire – a case study in northern Finland Hökkä, Hannu Repola, Jaakko Moilanen, Mikko Saarinen, Markku 2012-01-01T00:00:00Z https://doi.org/10.14214/sf.920 https://doaj.org/article/dd13489fc2104766860ee89e064443be EN eng Finnish Society of Forest Science https://www.silvafennica.fi/article/920 https://doaj.org/toc/2242-4075 2242-4075 doi:10.14214/sf.920 https://doaj.org/article/dd13489fc2104766860ee89e064443be Silva Fennica, Vol 46, Iss 5 (2012) Forestry SD1-669.5 article 2012 ftdoajarticles https://doi.org/10.14214/sf.920 2022-12-31T00:32:34Z A large proportion of drained spruce mire stands is currently approaching regeneration maturity in Finland. We studied the effect of cutting â small canopy openings (78, 177, and 314Â m) and small clear-cuts (0.25â0.37 ha) â with or without site preparation (scalping) on the establishment of natural Norway spruce seedlings in one experimental drained spruce mire stand in northern Finland. The cuttings were made in winter 2004â2005 and site preparation with scalping in early June 2005. The experimental design was composed of four blocks with altogether four clear-cuts and 33 canopy openings. The seedling establishment was surveyed annually (2006, 2008â2010) from five circular sample plots (one 10 m and four 5Â m plots in size) located within the canopy openings and from 18 circular 5 m sample plots systematically located in the scalped and untreated halves of the clear-cuts. Site preparation was found unnecessary, because it resulted in a clearly lower number of seedlings in the openings. A slight negative effect was also found in the clear-cuts. In the two years following the cuttings, the number of seedlings increased quickly in the canopy openings, but more gradually in the clear-cut areas. In 2010, on average 15 500 new seedlings were observed in the canopy openings and 6700 in the clear-cut areas, of which 5050 and 1200, respectively, were >0.1 m tall spruces. The proportion of birch increased in the last two years, being ca. 22% in the openings and 45% in the clear-cuts in 2010. The spatial distribution of seedlings was more uneven in the clear-cuts than in the openings, with 41% and 20% of survey plots empty, respectively.2222 Article in Journal/Newspaper Northern Finland Directory of Open Access Journals: DOAJ Articles Norway Silva Fennica 46 5 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Forestry SD1-669.5 |
spellingShingle |
Forestry SD1-669.5 Hökkä, Hannu Repola, Jaakko Moilanen, Mikko Saarinen, Markku Seedling establishment on small cutting areas with or without site preparation in a drained spruce mire – a case study in northern Finland |
topic_facet |
Forestry SD1-669.5 |
description |
A large proportion of drained spruce mire stands is currently approaching regeneration maturity in Finland. We studied the effect of cutting â small canopy openings (78, 177, and 314Â m) and small clear-cuts (0.25â0.37 ha) â with or without site preparation (scalping) on the establishment of natural Norway spruce seedlings in one experimental drained spruce mire stand in northern Finland. The cuttings were made in winter 2004â2005 and site preparation with scalping in early June 2005. The experimental design was composed of four blocks with altogether four clear-cuts and 33 canopy openings. The seedling establishment was surveyed annually (2006, 2008â2010) from five circular sample plots (one 10 m and four 5Â m plots in size) located within the canopy openings and from 18 circular 5 m sample plots systematically located in the scalped and untreated halves of the clear-cuts. Site preparation was found unnecessary, because it resulted in a clearly lower number of seedlings in the openings. A slight negative effect was also found in the clear-cuts. In the two years following the cuttings, the number of seedlings increased quickly in the canopy openings, but more gradually in the clear-cut areas. In 2010, on average 15 500 new seedlings were observed in the canopy openings and 6700 in the clear-cut areas, of which 5050 and 1200, respectively, were >0.1 m tall spruces. The proportion of birch increased in the last two years, being ca. 22% in the openings and 45% in the clear-cuts in 2010. The spatial distribution of seedlings was more uneven in the clear-cuts than in the openings, with 41% and 20% of survey plots empty, respectively.2222 |
format |
Article in Journal/Newspaper |
author |
Hökkä, Hannu Repola, Jaakko Moilanen, Mikko Saarinen, Markku |
author_facet |
Hökkä, Hannu Repola, Jaakko Moilanen, Mikko Saarinen, Markku |
author_sort |
Hökkä, Hannu |
title |
Seedling establishment on small cutting areas with or without site preparation in a drained spruce mire – a case study in northern Finland |
title_short |
Seedling establishment on small cutting areas with or without site preparation in a drained spruce mire – a case study in northern Finland |
title_full |
Seedling establishment on small cutting areas with or without site preparation in a drained spruce mire – a case study in northern Finland |
title_fullStr |
Seedling establishment on small cutting areas with or without site preparation in a drained spruce mire – a case study in northern Finland |
title_full_unstemmed |
Seedling establishment on small cutting areas with or without site preparation in a drained spruce mire – a case study in northern Finland |
title_sort |
seedling establishment on small cutting areas with or without site preparation in a drained spruce mire – a case study in northern finland |
publisher |
Finnish Society of Forest Science |
publishDate |
2012 |
url |
https://doi.org/10.14214/sf.920 https://doaj.org/article/dd13489fc2104766860ee89e064443be |
geographic |
Norway |
geographic_facet |
Norway |
genre |
Northern Finland |
genre_facet |
Northern Finland |
op_source |
Silva Fennica, Vol 46, Iss 5 (2012) |
op_relation |
https://www.silvafennica.fi/article/920 https://doaj.org/toc/2242-4075 2242-4075 doi:10.14214/sf.920 https://doaj.org/article/dd13489fc2104766860ee89e064443be |
op_doi |
https://doi.org/10.14214/sf.920 |
container_title |
Silva Fennica |
container_volume |
46 |
container_issue |
5 |
_version_ |
1766144236250464256 |