搜索结果: 1-13 共查到“林业基础学科 European beech”相关记录13条 . 查询时间(0.073 秒)
Dynamics and Vertical Distribution of Roots in European Beech Forests and Douglas Fir Plantations in Bulgaria
Keywords annual production biomass Decision Matrix necromass root traits root mass sequential coring turnover rate
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2024/2/26
Recently, increasing attention has been paid to the anthropogenic degradation of the riverbed and its relationship to the ecological status of the adjacent river landscape. The key objective of this r...
Importance of stand structure and neighborhood in European beech regeneration
Fagus sylvatica Seedlings Saplings Closed canopy Ontogeny Competition Understory
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2024/3/8
The European beech (Fagus sylvatica L.) is a competitive and shade-tolerant species, with its natural regeneration in closed-canopy stands affected by a number of variables. The study aimed to identif...
The effect of different tending on stand structure and quantitative production of European beech (Fagus sylvatica L.) stand in a selected region of East Slovakia
quantitative production free crown thinning
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2015/5/18
The paper deals with assessment of a long-term experiment (45 and/or 53 years of investigation) in the
90-years-old European beech (Fagus sylvatica L.) stand in a selected region of East Slovakia. T...
An infl uence of diff erent thinning methods on qualitative wood production of European beech (Fagus sylvatica L.) on two eutrophic sites in the Western Carpathians
European beech tending qualitative production crop trees
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2015/5/5
The issues related to appropriate management methods of beech stands have been considered as a
crucial topic from the past up to now. Although the positive effect of tending on wood quality in beech...
Impact of Scots pine admixture in European beech stand on dissolved organic carbon and nitrogen leaching from organic and humic horizons of Dystric Arenosols in Northern Poland
European beech Scots pine leaching carbon cycling nitrogen cycling
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2015/4/14
The effect of Scots pine admixture in European beech stand on the leaching of dissolved organic carbon (DOC), dissolved organic nitrogen (DON), nitrate nitrogen (NO3-N) and ammonium nitrogen (NH4-N) f...
Effect of climatic factors on the dynamics of radial increments of Norway spruce, European beech and sessile oak
annual ring analysis climatic factors radial increments European beech sessile oak Norway spruce Slovakia
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2015/3/27
Correlations of increment indexes with average monthly temperatures and total monthly precipitation were studied on annual ring series of 455 trees of Norway spruce (Picea abies [L.] Karst.), sessile ...
Effect of gibberellic acid and ethephon on the germination of European beech dormant and chilled beechnuts
ethephon Fagus sylvatica germination gibberellic acid
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2015/3/19
The effect of ethephon (80, 100 and 120 mg·l–1) and gibberellic acid (GA3) (40, 300 and 1,000 mg·l–1) on the germination capacity (GC) and mean germination time (MGT) of European beech (Fagus sylvatic...
Differences in fine root traits between Norway spruce (Picea abies [L.] Karst.) and European beech (Fagus sylvatica L.) ?A case study in the Kysuck?Beskydy Mts
ine root biomass and necromass mortality production
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2015/3/16
Interspecific comparisons of the fine root 揵ehaviour?under stressful situations may answer questions related to resistance to changing environmental conditions in the particular tree species. Our stud...
Current use of European beech (Fagus sylvatica L.) for artificial regeneration of forests in the air-polluted areas
European beech stand of substitute species reconstruction shelterwood system
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2015/3/12
The paper deals with the use of European beech in the reconstruction of substitute species stands and in the regeneration of existing spruce stands in the air-polluted region of the north-eastern Kru&...
Effects of moisture content, storage temperature and type of storage bag on the germination and viability of stored European beech (Fagus sylvatica L.) seeds
beechnut storage germination tetrazolium viability moisture content storage temperature bag
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2015/3/12
Beechnuts from three Fagus sylvatica lots were dried at 20°C to 5–6% or 8–9% (fresh weight basis) moisture content and stored at –7°C or –22°C for 3.5 or 4.5 years in sealed polyethylene bags containi...
Models for predicting aboveground biomass of European beech (Fagus sylvatica L.) in the Czech Republic
beech biomass function temperate forests tree allometry wood density
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2015/5/6
We developed optimal models for predicting the aboveground biomass of European beech (Fagus sylvatica L.) applicable to the national forest inventory data of the Czech Republic. The models were based ...
Spring phenology of European beech (Fagus sylvatica L.) in a submountain beech stand with different stocking in 1995–2004
Fagus sylvatica phenology bud-burst
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2015/3/3
Two spring phenophases (bud-burst and leaf unfolding) of a parent stand and naturally regenerated
undergrowth of European beech were observed in conditions under different stand density over the las...
Biomass functions applicable to European beech
allometry aboveground tree biomass branch stem carbon wood density
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2015/2/6
This material describes parameterization of allometric functions applicable to biomass estimation of European beech trees. It is based on field data from destructive measurements of 20 full-grown tree...