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Changes in tree species composition, stand structure, qualitative and quantitative production of mixed spruce, fir and beech stand on Stará Píla research plot
thinnings stand structure crop trees
2015/3/3
The paper is a contribution to the research on problems of thinnings in mixed (spruce-fir-beech) stands
situated in the 5th forest altitudinal zone (beech with fir) in the central part of...
Structure, growth and increment of the stands in the course of stand transformation in the Klokočná Forest Range
uneven-aged forest stands forest stand transformation
2015/3/3
This paper deals with transformation of pure even-aged forest stands to uneven-aged irregular stands on
an example of the Klokočná Forest Range. The fully operational management system accordin...
Structure, quality, production, LAI and dendrochronology of 100 years old Austrian pine (Pinus nigra ARNOLD) stand
Keywords: Pinus nigra ARNOLD structure production LAI dendrochronology Sphaeropsis sapinea fungus
2015/2/6
The paper evaluates the growth, structure, production, quality, leaf area index and dendrochronology of 100 years old Austrian pine (Pinus nigra ARNOLD) monoculture situated in the forest type group F...
Structure and functions of the types of Norway spruce (Picea abies[L.] Karst.) roots
histology primary roots secondary structure Picea abies (L.) Karst.
2015/2/6
The aim of the study was to describe variability of the structure of roots in Norway spruce (Picea abies [L.] Karst.) from their growth tips to the stem foot, i.e. anchor roots in relation to their ch...
Structure and dynamics of stands of primeval character composed of the little-leaf linden (Tilia cordata Mill.) in the “Las lipowy Obrożyska” reserve (southernPoland)
development stages and phases stand volume basal area regeneration volume of necromass
2015/2/6
The little-leaf linden stand, investigated in this study, is a relict of the Atlantic period. On three permanent sample plots, situated in a strictly protected reserve, trees were measured and classed...
Bull and boar sperm DNA integrity evaluated by sperm chromatin structure assay in the Czech Republic
flow cytometry bull boar fertility
2015/2/5
Analysis of sperm parameters is very important for predicting the outcome of assisted reproductive techniques and is necessary for determination of fertility potential of males tested for artificial i...
Canine articular cartilage was studied in male dogs at age 1, 4, 5 and 8 years. Samples collected from four hip joints and two humeral joints in each age category were processed by standard methods to...
Structure and accumulation of litterfall under Norway spruce stands in connection with thinnings
litterfall nutrients thinning Norway spruce
2015/2/2
The effect of thinning on the structure and accumulation of litterfall and holorganic horizons (L, F, H) in young Norway spruce stands was investigated. The research was conducted on a Norway spruce t...
Influence of forest stand structure on the occurrence of bird community in Skalná Alpa National Nature Reserve in the Veľká Fatra Mts. (West Carpathians)
primeval forest texture diameter structure dead wood bird community
2015/2/2
The study deals with the influence of the structure, texture and dynamics of a spruce-beech primeval forest on the bird community in Skalná Alpa National Nature Reserve in the Veľká Fatra Mts. (W...
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...
Effects of overstory structure and fire regime upon diversity and abundance of selected understory species in longleaf pine (Pinus palustris Mill.) forests in southeastern Georgia
longleaf pine Pinus palustris fire frequency
2015/1/29
We examined the impacts of variation in overstory structure and burning regime on understory vegetation in the longleaf pine (Pinus palustris Mill.) forest of the Okefenokee National Wildlife Refuge i...
The development of population structure of Cryphonectria parasitica on European chestnut (Castanea sativa Mill.) in the Experimental Castanetarium Horn?Lefantovce, observed over a 12-year study period
chestnut blight Castanea sativa vegetative compatibility types
2015/1/28
We studied occurrence of chestnut blight disease in the Experimental Castanetarium Horn?Lefantovce, SW Slovakia. The study ran in years 2006?007 on a set consisting of 889 chestnut trees growing in th...
The effect of coppice management on the structure, tree growth and soil nutrients in temperate Turkey
coppice soil growth dynamics forest management site fertility
2015/5/6
Coppicing was widespread throughout Europe for many centuries but was largely abandoned in the second half of the 19th century. Currently, there has been a renewed interest in coppicing for biomass pr...
Mixed model with spatial variance–covariance structure for accommodating of local stationary trend and its influence on multi-environmental crop variety trial assessment
consistency ratio test wheat barley
2014/10/23
The most common procedure for analyzing multi-environmental trials is based on the assumption that the residual error variance is homogenous across all locations considered. However, this may often be...
南京农业大学土壤学课件 Soil Texture and Structure。