搜索结果: 1-15 共查到“林学 Scots pine”相关记录21条 . 查询时间(0.129 秒)
The structure of Scots pine and Black locust forests in the Northern Steppe of Ukraine
forest fund wood stock indexes of forest biometrics forest-forming species age structure functional categories of forest
<
2016/8/2
The article describes the distribution of areas of Scots pine (Pinus sylvestris Linnaeus) and Black locust (Robinia pseudoacacia Linnaeus) stands within the Northern Steppe of Ukraine based on forest ...
The occurrence of early-arriving saproxylic beetles on Scots pine logging residues generated by thinning
bark- and wood-boring beetle branch felling date pest Pinus sylvestris treetop
<
2015/8/27
The occurrences of early-arriving saproxylic beetles were examined on 1,200 fragments of Scots pine (Pinus sylvestris L.) logging residues generated by thinning in a single stand in the Drahanská High...
Bacillus pumilus – a new phytopathogen of Scots pine – Short Communication
Pinus sylvestris bacteriosis phytopathogenic bacteria soft rot
<
2015/5/18
Large bleeding lesions on stem and branches of pine trees, wet black spots and depressed cancer wounds
of different sizes at the base of knots, dying off the bark around knots and sapwood exposure o...
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...
Needle longevity as a criterion of response to a climatic fluctuation (so called heat wave) in Scots pine populations at early phases of ontogeny
Scots pine Pinus sylvestris number of needle age classes needle retention climatic episode of heat wave
<
2015/4/14
The paper presents results of an assessment of needle age classes in Scots pine partial populations in the period of three and five years after outplanting in a lowland site in relation to conditions ...
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
<
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...
Species diversity across the successional gradient of managed Scots pine stands in oligotrophic sites (SW Poland)
clear-cutting vegetation succession forest management Leucobryo-Pinetum undergrowth vegetation
<
2015/4/14
The Scots pine communities are common forest types in Central Europe, however, the general model of changes resulting from cyclical management practices is still unclear. The aim of this paper is to p...
Early-arriving saproxylic beetles developing in Scots pine stumps: effects of felling type and date
phloem- and wood-feeding beetles thinning final felling month of felling
<
2015/4/14
A total of 320 Scots pine (Pinus sylvestris L.) low stumps were analysed within two stands (one stand was thinned, and the other stand was subjected to clear-cut final felling) in the Drahanská Highla...
The effect of different stand density on diameter growth response in Scots pine stands in relation to climate situations
diameter growth Pinus sylvestris precipitation temperature thinning
<
2015/3/19
The effect of stand density on the resistance of Scots pine (Pinus sylvestris L.) to climatic stress and subsequent response of diameter increment were investigated using data gathered from six long-t...
A trend of proliferation of proleptic shoots in partial populations of Scots pine
Pinus sylvestris L proleptic shoots Scots pine populations summer shoots
<
2015/3/19
The incidence of the summer (late-seasonal) growth of shoots was monitored following the planting of Scots pine from different provenances of the Czech Republic and different planting regimes in an ex...
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 ...
The applicability of the Pipe Model Theory in trees of Scots pine of Poland
Scots pine Pipe Model Theory sapwood tree crowns profile theory biometric traits
<
2015/3/12
In order to test the application importance of the Pipe Model Theory and to develop models for the share of sapwood in tree stems, a total of 114 Scots pines (Pinus sylvestris L.) were felled within t...
Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuania
Scots pine needles wood ash nitrogen foliage nutrients
<
2015/3/12
In Lithuania, a typical Scots pine stand under the influence of wood ash and nitrogen fertilization, containing different treatments and the control, was analyzed. The study aim was to interpret the f...
The fauna of cambioxylophagous insects on Scots pine trees declined after spells of drought in 2003
cambioxylophagous insects Scots pine drought spell
<
2015/3/6
The paper deals with cambioxylophagous insects on Scots pine (Pinus sylvestris L.) trees. Research was conducted in forest stands growing on steep slopes on the left bank of the Otava River about 1 km...
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...