搜索结果: 1-11 共查到“Scots pine Pinus sylvestris L.”相关记录11条 . 查询时间(0.082 秒)
Influence of site conditions and silvicultural practice on the wood density of Scots pine (Pinus sylvestris L.) – a case study from the Doksy locality, Czech Republic
shelterwood regeneration clearcut forest site softwoods physical properties variability
2018/3/6
After spruce, the Scots pine (Pinus sylvestris Linnaeus) is the second most important commercial coniferous tree
species in the Czech Republic. However, we are finding out that awareness of the varia...
Analysis of the genetic structure of a model Scots pine (Pinus sylvestris) seed orchard for development of management strategies
fructification gene markers isozymes Monte-Carlo test Rao coefficient Shannon index
2015/4/24
Genetic structure, diversity and clonal homogeneity were determined on the basis of the isozyme gene markers in a model Scots pine seed orchard in the north-eastern part of the Czech Republic that ori...
An economic aspect of conversion of Scots pine (Pinus sylvestris L.) stands in the Polish Lowland
Pinus sylvestris pine stands oak stands
2015/3/16
Pine stands at fertile sites need conversion into broadleaved or mixed forests. Yet, according to the age of stand, conversion may have different economic results. Therefore, in order to reduce costs ...
Feeding ecology of pine shoot beetles (Tomicus spp.) in tree crowns of Scots pine (Pinus sylvestris L.) stands under one-year outbreak
Tomicus piniperda T. minor Pinus sylvestris
2015/3/5
Studies were carried out in southern Poland during 2002–2006 in Scots pine stands under the effect of an outbreak of pine shoot beetles. The qualitative aspects of beetle feeding in tree crowns, studi...
Comparison of Norway spruce (Picea abies [L.] Karst.), Scots pine (Pinus sylvestris L.) and European larch (Larix decidua Mill.) stem shape by means of geometrical methods
Norway spruce Scots pine European larch stem shape
2015/3/3
In this article the stem shape is compared in three coniferous tree species: Norway spruce, Scots pine
and European larch. Stem is investigated by means of geometrical methods. Simplified Bookstein ...
A contribution to the knowledge of Scots pine (Pinus sylvestris L.) stem shape
Scots pine (Pinus sylvestris L.) stem shape Procrustes analysis principal components analysis
2015/2/2
This is a study on the evaluation of stem shape in Scots pine. The experiments were carried out on 430 stems without bark, taken from 30 fully analysed sample trees that grew in 5 different locations ...
Needle traces as indicators of growing conditions in Scots pine (Pinus sylvestris L.)
needle retention needle density environmental and anthropogenic impacts
2015/1/29
Needle retention (number of needle sets) and needle density (number of needle pairs per centimeter of shoot) were surveyed on Scots pines in five forest regions of Slovakia. The Needle Trace Method (N...
ISOLATION AND CHARACTERIZATION OF ESSENTIAL OILS FROM THE CONES OF NORWAY SPRUCE (Picea abies Karst.), EUROPEAN LARCH (Larix decidua Mill.) AND SCOTS PINE (Pinus sylvestris L.)
forestry enterprise safety at work work accident frequency severity work conditions
2009/11/26
Extraction and chemical characterization of essential oils from the cones of Norway spruce, European larch and Scots pine are presented in the article. Various monoterpenes have been identified and th...
GROWTH AND ANATOMICAL CHARACTERISTICS OF SCOTS PINE (PINUS SYLVESTRIS L.) EXPOSED TO DE-ICING SALT SPRAY
ANATOMICAL CHARACTERISTICS SCOTS PINE DE-ICING SALT SPRAY
2009/11/26
GROWTH AND ANATOMICAL CHARACTERISTICS OF SCOTS PINE (PINUS SYLVESTRIS L.) EXPOSED TO DE-ICING SALT SPRAY。
Evaporation from Scots pine (Pinus sylvestris) following natural re-colonisation of the Cairngorm mountains, Scotland
Atul H. Haria David J. Price
2009/3/24
Recently, changing land-use practices in the uplands of Scotland have resulted in increased re-colonisation of wet heath moorland by natural Scots pine (Pinus sylvestris) woodland. The simple semi-emp...
The relationship between the form of dead bark and lignin content in Scots pine (Pinus sylvestris L.)
Form of dead bark lignin content Pinus sylvestris L.
2010/1/11
In this study the proportion of lignin in wood tissue was analysed in 36 Scots pines differing in their form of dead bark. Material for analyses came from pure pine stands aged 89-91 years located in...