搜索结果: 1-15 共查到“林学 mountains”相关记录17条 . 查询时间(0.093 秒)
Forest Disturbances in Polish Tatra Mountains for 1985–2016 in Relation to Topography, Stand Features, and Protection Zone
changes GIS mountains remote sensing terrain stands
2024/1/23
For more than four centuries, the Tatra Mountains were affected by many factors, such as forest and pastoral management, mining and metallurgy, windthrows, snow avalanches, and bark beetle outbreaks. ...
Fifty Years of Change in a Coniferous Forest in the Qilian Mountains, China—Advantages of High-Definition Remote Sensing
mountain coniferous forest Picea crassifolia Kom. high-resolution remote sensing
2024/1/12
Mountain ecosystems are significantly affected by climate change. However, due to slow vegetation growth in mountain ecosystems, climate-induced vegetation shifts are difficult to detect with low-defi...
The Soil Aggregates and Associated Organic Carbon across the Greater Khingan Mountains: Spatial Patterns and Impacting Factors
Greater Khingan Mountains forest soils soil aggregates soil organic carbon spatial variation
2023/12/1
1) Background: The preservation of soil organic carbon (SOC) by soil aggregates (SA) is a key mechanism for the stability of the soil carbon (C) pool. (2) Methods: Soil samples were collected at a 0–2...
Colorado mountains bouncing back from acid rain effects（图）
Colorado mountains bouncing acid rain effects
2021/1/8
A long-term trend of ecological improvement is appearing in the mountains west of Boulder, Colorado. Researchers at the University of Colorado Boulder found that Niwot Ridge, a high alpine a...
Below-canopy and topsoil temperatures in young Norway spruce and Carpathian birch stands compared to gaps in the mountains
air soil below-canopy climate microclimate stand environment
2016/11/11
Reduced air pollution load has allowed to use commercially oriented forestry in the Central European mountains since the 1990s. The goal is, however, to restore species- and age-diversified stable sta...
Sulphate concentration and S-SO42 – flux in soil solutions in the West Carpathians Mountains on an example of submontane beech forest stand
sulphate concentrations soil water submontane beech forest West Carpathians Mts
2015/4/14
The paper presents the evaluation of data on precipitation totals and on SO42 –concentrations and S-SO42 – fluxes in lysimetric waters in a submontane beech stand. The records cover continually a 1...
The effect of deforestation on spring water chemistry on Skrzyczne (Silesian Beskid Mountains, Poland)
pH mountain springs snowmelt rainfall forest and water interaction
2015/4/14
The Norway spruce dieback which occurred in the Western Carpathians is of interest to scientists in many fields. The goal of this research was to determine its effect on spring water chemistry. Due to...
Findings regarding ectotrophic stability of Norway spruce forest of the Krkonoše and Orlické Mountains based on mycorrhiza studies
forest ectotrophic stability species spectrum of macromycetes mycorrhizae root defoliation Picea abies
2015/3/27
Analyses of root mycorrhizal samples and monitoring of fruiting bodies of macromycetes from Norway spruce stands at mountain and foothill localities in the Krkonoše and Orlické Mts. provided seve...
Influence of micro-relief and weed competition on natural regeneration of mountain forests in the Šumava Mountains
Czech Republic micro-relief mountain forests natural regeneration weed competition
2015/3/19
Natural regeneration and its relationship to micro-relief and weed competition were studied on 6 research plots in mountain spruce forests in the Šumava Mountains. The data on density regeneratio...
Growth and development of silver fir (Abies alba Mill.) regeneration and restoration of the species in the Karkonosze Mountains
natural regeneration planting light biometric measurements
2015/3/12
The main task of the study was to investigate the growth conditions of silver fir natural regeneration in the Karkonosze Mts. (Poland). The paper examines the quantity and quality of light reaching th...
Web-spinning sawflies of the genus Cephalcia Panzer (Hymenoptera, Pamphiliidae) in the Picea abies forests of the Beskidy Mountains (Poland)
web-spinning sawfly Picea abies Cephalcia
2015/3/6
This article presents a review of data and results of investigations from the period 1958–2006 regarding the occurrence of insects of the genus Cephalcia Panzer (Hymenoptera, Pamphiliidae) in Norway s...
Disturbances in variation of the annual ring width of Norway spruce in the Polish Western Beskids Mountains
tree-ring ring width variation Norway spruce Polish Beskids Mountains
2015/2/6
Changes in radial increment of Norway spruce in 25 stands more than 100 years old were analysed. Stands were growing on sites of different exposure situated at 450–1,200 m above sea level in the Polis...
Beech (Fagus sylvatica L.) forests of a selection structure in the Bieszczady Mountains (southeastern Poland)
selection forest primeval forest development stages Liocourt and Mayer distributions
2015/2/2
The characteristics of two beech (Fagus sylvatica L.) stands are presented in this paper. One, the Tarnicki stand, situated in the Bieszczadzki National Park, represents the growing up stage and selec...
Influence of amphibolite powder and Silvamix fertiliser on Norway spruce plantation in conditions of air polluted mountains
Jizerské hory Mts. Norway spruce chemical amelioration amphibolite powder Silvamix fertiliser plantation development
2015/2/2
The objective of the paper is to assess the effects of amphibolite powder (waste from a dust removing process in a rock pulveriser) and Silvamix slow release fertiliser on Norway spruce plantation in ...
Predicting Chamges in Suitable Habitats for Beech (Fagus crenata Blume) Forests under Climate Warming in Shirakami Mountains World Natural Heritage Area,Northern Japan
altitudinal distribution classification tree model climate change scenarios predictive distribution model warmth index
2009/8/24
Suitable habitats for beech (Fagus crenata Blume) forests in the year 2100 were predicted in Shirakami Mountains, using a classification tree model and two climate change scenarios (RCM20 and CCSR/NIE...