搜索结果: 1-7 共查到“林业基础学科 Scots pine”相关记录7条 . 查询时间(0.057 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 ...
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...
Spatial distribution of losses in growth of trees caused by the feeding of pine shoot beetles Tomicus piniperda and T. minor (Col., Scolytidae) in Scots pine stands growing within range of the influence of a timber yard in southern Poland
Pinus sylvestris (L.) Tomicus piniperda (L.)
2015/3/3
This study deals with the assessment of increment losses in Scots pine trees caused by the maturation
feeding of pine shoot beetles Tomicus piniperda (L.) and T. minor (Hart.) (Col., Scolytidae) in e...
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...