globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2012.08.014
Scopus记录号: 2-s2.0-84872684657
论文题名:
Regeneration after stump harvesting in southern Finland
作者: Saksa T.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2013
卷: 290
起始页码: 79
结束页码: 82
语种: 英语
英文关键词: Birch ; Boreal forest ; Pine ; Regeneration ; Spruce ; Stump harvesting
Scopus关键词: Birch ; Boreal forests ; Pine ; Regeneration ; Spruce ; Plants (botany) ; Reforestation ; Soils ; Harvesting ; boreal forest ; coniferous tree ; deciduous tree ; harvesting ; rainfall ; regeneration ; seedling emergence ; soil surface ; temperature effect ; thinning ; Finland ; Picea ; Picea abies ; Pinus sylvestris
英文摘要: In southern Finland, large-scale stump harvesting from regeneration areas began in the early 2000s. At that time, stump harvesting and additional soil scarification for planting was performed simultaneously. The aim of this study was to investigate the regeneration result, particularly the outcome of the natural regeneration of birch after stump harvesting, compared to the result achieved on a conventionally soil prepared area without stump lifting. The study material consisted of 37 stump-harvested areas 4-9. years old, and 10 conventionally soil prepared regeneration areas of a corresponding age. In the case of Norway spruce planting, the result did not differ between stump-harvested and conventionally soil prepared areas, but the share of pure coniferous stands after pre-commercial thinning was estimated to be 30% after stump harvesting and 50% in conventional regeneration areas. In stump-harvested areas, the share of disturbed soil surface seemed remarkably higher and the time for seedling emergence longer than in conventionally soil prepared areas without stump lifting. The number of Scots pine seedlings was somewhat higher after stump harvesting than after conventional soil preparation, but there was great variation between regeneration areas. As for Norway spruce, there were fewer natural seedlings on stump-harvested areas. The number of birch seedlings was somewhat higher after stump lifting, but there was huge variation between regeneration areas. Most birch-rich regeneration areas were discovered after the stump harvest; the maximum mean density was over 60,000 birch seedlings ha-1. Birch regeneration was most abundant on fine textured, moist mineral soils or peat layered spots. The mean temperature in May and June during the first summer, and rainfall in May and June during the second summer after the stump harvest, correlated positively with the abundance of birch seedlings. © 2012 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/66793
Appears in Collections:影响、适应和脆弱性

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作者单位: Finnish Forest Research Institute, Suonenjoki Research Unit, Juntintie 154, FI-77600 Suonenjoki, Finland

Recommended Citation:
Saksa T.. Regeneration after stump harvesting in southern Finland[J]. Forest Ecology and Management,2013-01-01,290
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