搜索结果: 1-13 共查到“林学 silver fir”相关记录13条 . 查询时间(0.031 秒)
The Strong Position of Silver Fir (Abies alba Mill.) in Fertile Variants of Beech and Oak-Hornbeam Forests in the Light of Studies Conducted in the Sudetes
ecology silviculture phytosociology habitat preferences
2023/12/18
Silver fir is one of the longest living and tallest trees in Europe, it has major commercial importance and may be found in various communities predominantly connected with lower mountainous locations...
Allometric Biomass Models for European Beech and Silver Fir: Testing Approaches to Minimize the Demand for Site-Specific Biomass Observations
biomass Romania site-specific Fagus sylvatica Abies alba Bayesian model mixed effect models
2023/12/11
In this paper, site-specific allometric biomass models were developed for European beech (Fagus sylvatica L.) and silver fir (Abies alba Mill.) to estimate the aboveground biomass in inca virgin?fores...
The influence of the method of silver fir growing and nutrition on sprouting and chlorophyll fluorescence during spring
Abies alba breaking of dormancy late frost
2015/5/18
To compare breaking of dormancy in relation with climatic conditions and reaction to late frost fir plants
growing in sun, in shade and at magnesium deficiency were evaluated. Sprouting and chloroph...
Site classification vs. wood production: a case study based on Silver fir growth dynamics in the Western Carpathians
Western Carpathians site classification production potential Silver fir growth model
2015/3/27
We analysed wood production on an example of Silver fir growth ability within site units defined in the site classification that is currently used in the Western Carpathians. It has arisen as a very i...
Nutrition of silver fir (Abies alba Mill) growing at the upper limit of its occurrence in the Šumava National Park and Protected Landscape Area
Abies alba silver fir nutrition Š umava National Park and Protected Landscape Area upper limit of occurrence
2015/3/19
In the second half of 20th century silver fir regeneration has been observed throughout all of the Europe, including the Czech Republic. The Bohemian Forest – Šumava Mts. is one of the regions wh...
A study on the variation of morphological characteristics of silver fir (Abies alba Mill.) seeds and their internal structure determined by X-ray radiography in the Beskid S筪ecki and Beskid Niski mountain ranges of the Carpathians (southern Poland)
Abies alba X-ray seed viability
2015/3/16
The variation of the morphological characteristics and internal structure of silver fir (Abies alba Mill.) seeds from 4 stands growing at the altitude of 625?50 m in the Beskid S筪ecki and Beskid Niski...
Growth and health state of silver fir (Abies alba Mill.) in the ridge area of the Jizerské hory Mts
silver fir Abies alba Mill. artificial regeneration chemical amelioration
2015/3/12
The silver fir was planted under mountain conditions in order to reveal its response to the addition of finely ground rocks (limestone and amphibolite) mixed with soil into the planting holes. The res...
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...
Factors controlling the regeneration process in unevenly aged silver fir forests: inferences from the spatial pattern of trees
Abies alba selection forest regeneration microhabitat
2015/3/3
The main objective of this study was to prove the relationship between the spatial pattern of trees and
distribution of advanced regeneration in structured Abies alba Mill. forests in the Western Ca...
The influence of the method of silver fir growing and nutrition on sprouting and chlorophyll fluorescence during spring
Abies alba breaking of dormancy late frost damage sun and shade magnesium deficiency
2015/5/6
To compare breaking of dormancy in relation with climatic conditions and reaction to late frost fir plants growing in sun, in shade and at magnesium deficiency were evaluated. Sprouting and chlorophyl...
Reaction of Silver fir (Abies alba Mill.) plantation to fertilization
Silver fir site amelioration species composition reforestation apical dominance
2015/2/6
Silver fir as a domestic species is an important tree in our forests. Unfortunately it has suffered from serious dieback in Central Europe in the last decades. Reintroduction of Silver fir is not an e...
Changes in cold hardiness of silver fir and larch abare-rooted seedlings during autumn and spring
cold hardiness electrolyte leakage larch and silver fir bare-rooted seedlings
2015/2/2
The objective of this study was to obtain information about changes in cold hardiness of larch and silver fir seedlings during autumn and spring by help of measurements of electrolyte leakage from sho...
Height growth and site index models for Pacific silver fir in southwestern British Columbia
Height growth site index models Pacific silver fir southwestern British Columbia
2009/2/5
Following an exploratory examination of the variation in the height growth pattern using a singlevalued ratio, conventional polymorphic and climate-specific height growth and site index models were de...