Norway spruce thinning experiment Polom (Eastern Bohemia) after 22 years of observation

M. Slodičák and J. Novák
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M. Slodičák: Forestry and Game Management Research Institute, Research Station Opočno, Czech Republic
J. Novák: Forestry and Game Management Research Institute, Research Station Opočno, Czech Republic

Journal of Forest Science, 2004, vol. 50, issue 1, 1-10

Abstract: Effects of thinning were studied in an air-polluted young stand of Norway spruce on Polom series in the Orlické hory Mts. (North-Eastern part of the Czech Republic) founded in 1980 in 15 years old spruce stand established by planting with density of 3,500-4,000 trees per hectare in 1965. The stand lies at an elevation of 800 m in the 6th beech with spruce forest vegetation zone. The expected survival of the experimental stand at the beginning of experiments was 40 years (air pollution danger zone B). The thinning experiment is based on a classical comparative method, i.e. on comparing the stands with different thinning regimes (regime with no thinning and regimes with heavy and very heavy first thinning with negative selection from below). Results of the long-term experiment confirmed the positive effect of investigated thinning programme on growth, health condition and resistance to snow-breaks of air-polluted Norway spruce stands in initial phases of disintegration.

Keywords: Norway spruce; air pollution; thinning; health condition; snow damage (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:50:y:2004:i:1:id:4594-jfs

DOI: 10.17221/4594-JFS

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