搜索结果: 1-6 共查到“森林经理学 Norway spruce”相关记录6条 . 查询时间(0.35 秒)
Detrending ability of several regression equations in tree-ring research: a case study based on tree-ring data of Norway spruce (Picea abies [L.])
radial increment growth functions empirical fitting tree-ring indices dendroclimatology
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2015/3/27
The aim of this study was to investigate tree-ring width variability and to distinguish groups of trees with similar growth trends in order to study tree growth responses to various stand and site con...
S tructure and origin of mountain Norway spruce in the Bohemian Forest
dendroecology natural disturbance Picea abies Karst regeneration stand dynamics disturbance history
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2015/3/27
Information on the historical background of the present forest conditions is needed for proper decisions on forest management. Disturbances play a major role in the formation of forest structure and c...
Current possibilities of using Norway spruce (Picea abies [L.] Karst.) in forest regeneration in the air-polluted region of the northeastern Kru歯?hory Mts.
air pollution forest regeneration Norway spruce
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2015/3/16
The paper analyses possibilities of repeated use of Norway spruce (Picea abies [L.] Karst.) in the regeneration of existing Norway spruce stands, in the regeneration of large-area clearcuts, and in th...
Structure and accumulation of litterfall under Norway spruce stands in connection with thinnings
litterfall nutrients thinning Norway spruce
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2015/2/2
The effect of thinning on the structure and accumulation of litterfall and holorganic horizons (L, F, H) in young Norway spruce stands was investigated. The research was conducted on a Norway spruce t...
Thinning experiments in Norway spruce stands after 40 years of investigation – 1st series
negative selection from below thinning Norway spruce
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2015/1/29
Forestry and Game Management Research Institute at Jíloviště-Strnady has created a new experimental base for thinning research since 1956. A total of 46 experimental series were founded in Norway...
Change of cold hardiness in bare-rooted Norway spruce planting stock during autumn and its effect on survival
cold hardiness electrolyte leakage lifting date
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2015/1/29
The objective of this study was to test a method of measurements of electrolyte leakage for determining an optimal autumn lifting date. The second objective was to obtain information about the effects...