Long-term effect of wetland drainage on the productivity of Scots pine stands in Poland. Forest Ecology and Management

Jarosław Socha

Abstract

The aim of this study was to estimate the long-term effect of wetland drainage on the productivity of Scots pine stands in Poland. Data were obtained from the forested area of the Niepolomice Forest District, which was drained in 1964–1968. To describe the long-term changes in site productivity, a local site index model was developed. The effect of drainage depended primarily on the age of the stand at the time of drainage. A positive growth response (i.e., an increase in height) was observed in stands that were younger than 45–50 years at the time of drainage, with younger stands showing stronger responses. Drainage caused an increase in the site productivity of young stands that can be expressed as a change of 5.4 m in site index. For fully stocked stands, the average effect of drainage expressed as the predicted increase in total wood production at age 100 years was estimated to be approximately 200 m3 ha−1 (25%) in those stands planted after drainage. The predicted increase in the total volume of production at total stand age 100 years for stands that were 30 years old at the time of drainage was estimated to be approximately 125 m3 ha−1 (15%). For stands that were 40 years old at the time of drainage, the predicted increase in volume production was approximately 50 m3 ha−1 (6%). Stands older than 50 years at the time of drainage were assumed to be unaffected.
Author Jarosław Socha (FoF / IoFRM)
Jarosław Socha,,
- Institute of Forest Resources Management
Journal seriesForest Ecology and Management, ISSN 0378-1127, (A 40 pkt)
Issue year2012
No274
Pages172-180
Publication size in sheets0.5
Keywords in EnglishSite index; Growth modelling; Forest hydrology; Volume productivity; Forest productivity; Pinus sylvestris L.
ASJC Classification2308 Management, Monitoring, Policy and Law; 2309 Nature and Landscape Conservation; 1107 Forestry
DOIDOI:10.1016/j.foreco.2012.02.032
URL http://www.sciencedirect.com/science/article/pii/S0378112712001193
Languageen angielski
Score (nominal)40
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2012 = 1.677; WoS Impact Factor: 2012 = 2.766 (2) - 2012=2.919 (5); WoS Citations = 11
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