Báo cáo lâm nghiệp: " Effect of species and ecological conditions on ellagitannin content in oak wood from an even-aged and mixed stand of Quercus robur L and Quercus petraea Liebl " docx
Báo cáo lâm nghiệp: " Effect of species and ecological conditions on ellagitannin content in oak wood from an even-aged and mixed stand of Quercus robur L. and Quercus petraea Liebl." docx
... concentration of ellagitannins
in the 286 trees samplings investigated. Several analytical in-
dexes, like total ellagitannin content and content of major el-
lagitannins (vescalagin, castalagin, grandinin ... 2006)
Abstract – Species effects and ecological conditions on ten heartwood ellagitannins (vescalin, castalin, roburins A-E, grandinin, vescalagin and casta-...
Báo cáo lâm nghiệp: "Effect of species composition, stand density and site index on the basal area increment of oak trees (Quercus sp.) in mixed stands with beech (Fagus sylvatica L.) in northern France" potx
... than that of oak stands [1, 17], and as
a consequence, less light is available for oak in mixed stands
than in pure oak stands. Thus, beech is more competitive than
oak, above as well as belowground ... increment in pure and mixed stands.
Growth of oaks in mixed stands with beech 461
The effects of stand density (Rdi
o
ak + beech), species com-
position (mix...
Báo cáo lâm nghiệp: "Effect of tree species substitution on organic matter biodegradability and mineral nutrient availability in a temperate topsoil" pptx
... Hazel improves soil quality of sloping oak
stands in a German low mountain range, Ann. For. Sci. 62 (2005)
23–29.
[31] Paavolainen L. , Kitunen V., Smolander A., Inhibition of nitrification
in soil ... observe an effect of tree species on organic mat-
ter biodegradability and consequently on mineral element and
major nutriments release and availability. The results...
Báo cáo lâm nghiệp: "Effect of Melampsora larici-populina on growth and biomass yield of eight clones of Populus nigra" ppsx
... – all leaves
necrotised or shed. e overall condition of plants
was also considered during the evaluation of uredial
counts on leaves. e evaluation was done on sev-
eral dates (from July ... infection re-
mained stable in the tested set of clones during the
trial.
e intensity of infection during the growing sea-
son in 2005 and 2007 was evaluated in the same
way...
Báo cáo lâm nghiệp: "Effect of leaf biomass and phenological structure of the canopy on plot growth in a deciduous hardwood forest in northern Japan" pot
... each
combination of plot and month. Annual leaf biomass was calculated
by summing monthly leaffall.
To quantify the phenological pattern of leaffall and the corre-
sponding phenological structure of ... precipitation during the growing season (May-October). We also
examined whether strong winds resulted in early leaffall by regress-
ing relative monthly leaffall (the ratio of monthl...
Báo cáo lâm nghiệp: "Effect of single Quercus ilex trees upon spatial and seasonal changes in soil water content in dehesas of central western Spain" potx
... gravels and stones includ-
ing clasts of quartzite. These strata typically contain one or more
red argic horizons with a silty to sandy texture in the surface hori-
zon and a sandier layer below ... B., Schnabel S., Rainfall interception by holm oaks in
Mediterranean open woodland, in: Garcia-Ruiz J.M., Jones J.A.A.,
Arnaez J. (Eds.), Environmental change and water sustainability...
Báo cáo lâm nghiệp: "Effect of an oil heat treatment on the leachability and biological resistance of boric acid impregnated wood" pps
... the
amount of leached boron along the leaching procedure by using In-
ductively Coupled Plasma analysis (ICP) of leachates, leached and
unleached samples. Analyses of boron amount remaining before and
after ... solution containing 20 g of glucose,
1.5 g of peptone, 7.5 g of malt extract and 1 000 mL of distilled water.
After inoculating glass jars with fungal cultures a...
Báo cáo lâm nghiệp: "Effects of resource availability on condensed tannins and nitrogen in two Quercus species differing in leaf life span" doc
... N., Gilboa N., Nir I., Perevolotsky A., Nitsan Z., Effect
of daily supplementation of polyethylene glycol on intake and di-
gestion of tannin-containing leaves (Quercus calliprinos, Pistacia
lentiscus ... grinding and analyzing.
Condensed tannins in evergreen and deciduous Quercus 441
Tabl e I. Results of ANOVA analysis for the effects of light, water and species o...
Báo cáo lâm nghiệp: "Effects of microsite variation on growth and adaptive traits in a beech provenance trial." pps
... achieving homogeneous environmental
conditions within blocks so that blocking can re-
move the within-trial environmental variation by
using blocks as a source of variation in an analysis
of ... whether
blocking can effi ciently handle this variation.
MATERIALS AND METHODS
e study is based on the analysis of the Slovak
trial plot of the international European beech (Fa-
g...
Báo cáo lâm nghiệp: "Effects of drought and heat on forest insect populations in relation to the 2003 drought in Western Europe" ppt
... populations
on their host tree depends, on the level of the insect popu-
lations and the ability of pioneer individuals to attract con-
geners, on the levels of tree natural defense mechanisms and
the ... nutritional quality of plants,
positively by increasing the level of foliar nitrogen which may,
in turn, stimulate insect feeding [60,97], or negatively through
low lea...
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