• No results found

Picea abies

The influence of Picea abies on herb vegetation 
in forest plant communities of the Veporské vrchy Mts

The influence of Picea abies on herb vegetation in forest plant communities of the Veporské vrchy Mts

... our data analysis is based on comparing the composition of herb species within three groups of relevés. The groups are created with reference to the proportion of Picea abies in tree layers on the sampling ...

10

Uptake and metabolism of 2,4-dichlorophenoxyacetic acid during induction of Norway spruce (Picea abies (L.) Karst.) somatic embryogenesis

Uptake and metabolism of 2,4-dichlorophenoxyacetic acid during induction of Norway spruce (Picea abies (L.) Karst.) somatic embryogenesis

... Uptake and metabolism of 2,4-dichlorophenoxyacetic acid (2,4-D) into zygotic embryos of Norway spruce (Picea abies (L.) Karst.) were studied on medium used for induction of somatic embryogenesis. The main ...

6

Structure and functions of the types of Norway spruce (Picea abies[L ] Karst ) roots 

Structure and functions of the types of Norway spruce (Picea abies[L ] Karst ) roots 

... ABSTRACT: 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 ...

7

Polyamines during somatic embryo development in Norway spruce (Picea abies [L ])

Polyamines during somatic embryo development in Norway spruce (Picea abies [L ])

... ABSTRACT: Contents of free polyamines (putrescine, spermidine and spermine) were determined in different de- velopmental stages of Norway spruce (Picea abies [L.] Karst.) somatic embryos by means of HPLC. ...

6

Evaluation of survival and growth of Picea abies (L.) H. Karst. and Picea obovata Ledeb. provenances in the north of Russia

Evaluation of survival and growth of Picea abies (L.) H. Karst. and Picea obovata Ledeb. provenances in the north of Russia

... of Picea abies (Linnaeus) H. Karsten, Picea obovata (von Ledebour) and their introgressive hybrids growing within the Rus- sian Plain were ...P. abies, ...P. abies and related hybrids ...

7

Influence of road salting on the adjacent Norway spruce (Picea abies) forest

Influence of road salting on the adjacent Norway spruce (Picea abies) forest

... In the Czech Republic, large areas along roads are planted with Norway spruce (Picea abies L. Karst.) which is harmed by deicing salt spread by winter road traffic (Hofstra and Hall 1971, Fostad and ...

7

Development and dynamics of mountain spruce (Picea abies [L ] Karsten) stand regeneration

Development and dynamics of mountain spruce (Picea abies [L ] Karsten) stand regeneration

... Grassi G., Bagnaresi U. (2001): Foliar morphological and physiological plasticity in Picea abies and Abies alba saplings along natural light gradient. Tree Physiology, 21: 959–967. Gubka K. (2006): ...

9

Results of a phenological study at a young Norway spruce (Picea abies/L./Karst)

Results of a phenological study at a young Norway spruce (Picea abies/L./Karst)

... Druhová skladba dřevin 27letého smíšeného po- rostu: smrk ztepilý (Picea abies /L./ Karst.) zastou- pen z 60 %, buk lesní (Fagus sylvatica L.) z 30 %, mod- řín opadavý (Larix decidua Mill.) z 10 %. Pro ...

8

Effect of relative humidity on thermal degradation of Norway spruce (Picea abies) wood

Effect of relative humidity on thermal degradation of Norway spruce (Picea abies) wood

... The wood material used in this study was Norway spruce (Picea abies) felled in Joensuu, Finland. Wood specimens with dimensions of 24 × 24 mm in cross section and 320 mm in length were prepared. All ...

6

Characterization of variable EST SSR markers for Norway spruce (Picea abies L )

Characterization of variable EST SSR markers for Norway spruce (Picea abies L )

... of Picea abies ...Mountains. Picea abies is growing above 400-500 m and ascends close to 2000 m in the ...that Picea abies genetic differentiation among populations is rather low ...

6

Phenotype features in juvenile populations of Picea abies and their growth

Phenotype features in juvenile populations of Picea abies and their growth

... The type differentiation of forms (phenotypes) of Norway spruce (Picea abies [L.] Karst.) mature trees has been used for a long time. It is based mainly on the appearance of tree crowns and branching (Samek ...

13

Forestry adaptation measures at the decline of Norway spruce (Picea abies Karst.) stands as exemplified by the Silesian Beskids, Czech Republic

Forestry adaptation measures at the decline of Norway spruce (Picea abies Karst.) stands as exemplified by the Silesian Beskids, Czech Republic

... of Picea abies occurred at Forest Dis- trict Jablunkov in the Silesian ...of Picea abies, participation of Fagus sylvatica and increasing the diversity of tree species), modifi - cation of the ...

10

Crystallinity of wood and the size of cellulose crystallites in Norway spruce (Picea abies)

Crystallinity of wood and the size of cellulose crystallites in Norway spruce (Picea abies)

... Abstract X-ray diffraction was used to study variations in the crystallinity of wood and the average thickness and length of the crystallites of cellulose as a function of the number of the year ring in Norway spruce ...

7

Modelling Bark Thickness of Norway Spruce (Picea abies Karst)

Modelling Bark Thickness of Norway Spruce (Picea abies Karst)

... • The obtained results on spruce bark thickness and its percentage share in the volume of the part of the trunk depending on mean diameter confirm the previously established relations, a[r] ...

12

The Effect of Retained Trees on the Growth of Norway Spruce (Picea abies).

The Effect of Retained Trees on the Growth of Norway Spruce (Picea abies).

... Summary of the regression analysis on how Norway spruce growth is affected by all the retained trees in the stand and the differences of the retained tree basal area between treatments[r] ...

51

Vegetation responses to interglacial warming in the Arctic: examples from Lake El’gygytgyn, Far East Russian Arctic

Vegetation responses to interglacial warming in the Arctic: examples from Lake El’gygytgyn, Far East Russian Arctic

... The combined percentages of Betula and Alnus pollen, as in zone 31a, dominate the MIS31b spectra and demon- strate that deciduous forest remained an important landscape component. The presence of Corylus in two samples ...

9

Influence of 3D spruce tree representation on accuracy of airborne and satellite forest reflectance simulated in DART

Influence of 3D spruce tree representation on accuracy of airborne and satellite forest reflectance simulated in DART

... (Picea abies) trees by deriving distribution of woody and foliage elements from TLS and field structure data and (ii) to use the reconstructed 3D spruce representations for evaluation of the effects of ...

35

ABSTRACT : The paper deals with the construction of a point distribution form model for spruce stems. This model is

ABSTRACT : The paper deals with the construction of a point distribution form model for spruce stems. This model is

... Keywords: Norway spruce Picea abies [L.] Karst.; stem shape; Procrustes analysis; principal components analysis; point distribution form model.. The examination of stem form has a long t[r] ...

6

Stem decay by Stereum sanguinolentum after red deer damage n the Českomoravská vrchovina Highlands

Stem decay by Stereum sanguinolentum after red deer damage n the Českomoravská vrchovina Highlands

... ABSTRACT: Damage caused by bark peeling and browsing by red deer to Picea abies was investigated in two locali- ties in the Českomoravská vrchovina Highlands. 127 experimental plots of 50 × 50 m in size ...

6

Linking forest diversity and tree health: preliminary insights from a large-scale survey in Italy

Linking forest diversity and tree health: preliminary insights from a large-scale survey in Italy

... Results of the cluster analysis can be interpreted consistently with these considerations. The clusters that display the lower degree of defoliation (groups 1 and 3) include the stands at higher elevations in the Alps ...

11

Show all 228 documents...

Related subjects