scholarly journals The Dynamics and Variability of Radial Growth in Provenance Trials of Norway Spruce (Picea abies (L.) Karst.) Within and Beyond the Hot Margins of its Natural Range

2015 ◽  
Vol 43 (1) ◽  
Author(s):  
Neculae ŞOFLETEA ◽  
Alexandru Lucian CURTU ◽  
Mihai Liviu DAIA ◽  
Marius BUDEANU
Keyword(s):  
Picea Abies ◽  
Norway Spruce ◽  
Radial Growth ◽  
Provenance Trials ◽  
Natural Range

scholarly journals The Dynamics and Variability of Radial Growth in Provenance Trials of Norway Spruce (Picea abies (L.) Karst.) Within and Beyond the Hot Margins of its Natural Range

2015 ◽  
Vol 43 (1) ◽  
pp. 265-271 ◽  
Author(s):  
Neculae ȘOFLETEA ◽  
Alexandru Lucian CURTU ◽  
Mihai Liviu DAIA ◽  
Marius BUDEANU
Keyword(s):  
Norway Spruce ◽  
Radial Growth ◽  
Environmental Changes ◽  
Climatic Factors ◽  
Forest Tree ◽  
Field Trials ◽  
Radial Increment ◽  
Range Analysis ◽  
Seed Sources ◽  
Natural Range

Multi-site field trials provide valuable data for the investigation of possible effects of environmental changes on forest tree species. We analyze the descendants of plus trees from 33 Norway spruce seed sources of Romanian Carpathians, at age 30, in four comparative field trials: two established in the natural range of species and two outside of it. The dynamics and variation of radial growth, earlywood and latewood were analyzed. The influence of populations, site conditions and climatic factors were also quantified. The provenances response in the four comparative trials was asymmetric for mean radial growth, but its dynamics was less favourable outside of the natural range. Analysis of variance showed significant differences (P<0.001) between the testing sites, but non-significant (P<0.05) for the populations. Populations x localities interaction was high (P<0.001) in the first half of the testing period, but decreased over time, becoming not significant at the age of 30. At intra-populational level, the average coefficient of variation for radial growth was higher outside the natural range, whereas the proportion of latewood decreased. The temperature in the first half of the growing season negatively influenced (P<0.001) the radial increment, but in the latewood proportion significat effects (PË‚0.05) were recorded only in trials located outside of the natural range. An increased variability of radial growth and a decrease of latewood proportion are expected in Norway spruce stands located at lower altitudes, towards the limits of the natural range. Our results may contribute to the sustainable management of Norway spruce forests within and outside its natural range.

scholarly journals Effects of Volatile Emissions of Picea abies Fresh Debris on Ips duplicatus Response to Characteristic Synthetic Pheromone

2012 ◽  
Vol 40 (1) ◽  
pp. 308 ◽  
Author(s):  
Mihai-Leonard DUDUMAN ◽  
Iuliana VASIAN
Keyword(s):  
Picea Abies ◽  
Norway Spruce ◽  
Volatile Emissions ◽  
Specific Host ◽  
Fresh Material ◽  
Synthetic Pheromone ◽  
Ips Duplicatus ◽  
Important Pest ◽  
Olfactory Stimuli ◽  
Natural Range

Ips duplicatus is an important pest of Norway spruce (Picea abies) planted outside of its natural range. This species uses olfactory signals to identify the spruce trees favourable for colonisation. The knowledge of the beetles’ response to these stimuli is important for managing this pest. Therefore, the response of Ips duplicatus to a specific synthetic pheromone was investigated under some natural sources of volatile emissions characteristic of Norway spruce. The pheromone traps were installed in two types of forests: one with fresh and large Norway spruce stumps and piles of branches, releasing large amounts of host volatile substances (terpenes and alcohols) and one without such fresh material. The experiment was repeated in three pairs of sites located in plantations out of the natural range of Norway spruce. Finally it was found that Ips duplicatus beetles, regardless of sex, have been concentrated in areas where large amounts of fresh material were available, confirming that Ips duplicatus beetles are using both natural pheromones and specific host volatiles as olfactory stimuli in searching for breeding material.

scholarly journals Comparing natural regeneration of Norway spruce Picea abies (L.) Karst. in the Kaszuby Lake District and in the other regions of northern Poland

2017 ◽  
Vol 78 (4) ◽  
pp. 303-314
Author(s):  
Marcin Szydlarski ◽  
Jerzy Modrzyński ◽  
Mateusz Stopiński ◽  
Michał Majewski ◽  
Krzysztof Maras
Keyword(s):  
Picea Abies ◽  
Norway Spruce ◽  
Natural Regeneration ◽  
Rank Correlation ◽  
Lake District ◽  
The West ◽  
Basal Diameter ◽  
Diameter Increment ◽  
Spearman’S Rank Correlation ◽  
Natural Range

Abstract The paper investigates the biometric characteristics natural Norway spruce (Picea abies (L.) Karst.) regeneration in the Kaszuby Lake District, which is beyond the acknowledged Norway spruce range, with the natural regeneration in the Augustów Forest situated deep within the natural range, Warmia, at the edge of the natural range and in the West-Pomerania Lake District far beyond the natural range. For each region, four tree stands with similar light conditions on the forest floor were selected, including two cambisols and two brunic arenosols. All sites contained naturally regenerating spruces 16–17 years of age. The features of the forest stand and the biometric features of the saplings were determined for the selected stands on circular research plots. Altogether, the characteristicts of 400 saplings (100 in each region) were measured and analyzed using basic descriptive statistics. ANOVA with the Tukey’s multiple comparison test was performed to compare the features of forest stands and the natural regeneration of spruce in each region. The degree of interrelation between regeneration features was described by Pearson’s, ‘r’ factor or Spearman’s rank correlation coefficient. A discriminatory analysis was carried out to determine the set of regeneration features differentiating regions from each other. The features of regeneration that differed between regions the most were: height of regeneration, basal diameter, mean height increment, and mean basal diameter increment of the saplings. The parameters for Warmia and the West-Pomerania Lake District were similar. The Augustów Forest showed the lowest values for the regeneration parameters, while the Kaszuby Lake District produced the highest values. The regeneration in the Kaszuby Lake District was markedly different from all other regions as indicated by more dynamic growth. Additionally, this population shows a great distinctness, indicating adaptation to local environmental conditions, which may be proof for the insular presence hypothesis of spruce in this region. Due to their good quality, spontaneously developing natural regenerations in the Kaszuby Lake District should be supported by appropriate cutting and silvicultural measures.

scholarly journals Effect of climate and air pollution on radial growth of mixed forests: Abies alba Mill. vs. Picea abies (L.) Karst.

2020 ◽  
Vol 66 (1) ◽  
pp. 23-36 ◽  
Author(s):  
Petr Mikulenka ◽  
Anna Prokůpková ◽  
Zdeněk Vacek ◽  
Stanislav Vacek ◽  
Daniel Bulušek ◽  
...  
Keyword(s):  
Air Pollution ◽  
Picea Abies ◽  
Norway Spruce ◽  
Tree Species ◽  
Tropospheric Ozone ◽  
Radial Growth ◽  
Climatic Factors ◽  
Abies Alba ◽  
Silver Fir ◽  
Pollution Load

AbstractNorway spruce (Picea abies [L.] Karst.) and silver fir (Abies alba Mill.) are main tree species of Central Europe that are currently highly vulnerable in times of global climate change. The research deals with the effect of climate and air pollution on radial growth of silver fir and Norway spruce in mixed age-varied (56 – 146 years) forests in the Jeseníky Protected Landscape Area, the Czech Republic. The objectives were to evaluate biodiversity, structure and production, specifically interaction of radial growth of fir and spruce to air pollution (SO2, NOX, tropospheric ozone) and climatic factors (precipitation, air temperature). Concentration of SO2 and NOX had negative effect on radial growth of fir, while radial growth of spruce was more negatively influenced by tropospheric ozone. Fir showed higher variability in radial growth and was more sensitive to climatic factors compared to spruce. On the other hand, fir was relatively adaptable tree species that regenerated very well when the pressure of stress factors subsided (air pollution load, Caucasian bark beetle, frost damage). Low temperature was a limiting factor of radial growth in the study mountainous area, especially for fir. Fir was significantly sensitive to late frost, respectively, spruce to winter desiccation and spring droughts with synergism of air pollution load. Generally, older forest stands were more negatively influenced by air pollution load and climatic extremes compared to young trees.

scholarly journals Radial Growth and Health Condition of Norway Spruce (Picea Abies (L.) Karst.) Stands in Relation to Climate (Silesian Beskids, Czech Republic)

2010 ◽  
Vol 36 (-1) ◽  
pp. 9-16 ◽  
Author(s):  
Michal Rybníček ◽  
Petr čermák ◽  
Tomáš Žid ◽  
Tomáš Kolář
Keyword(s):  
Czech Republic ◽  
Picea Abies ◽  
Norway Spruce ◽  
Tree Ring ◽  
Radial Growth ◽  
Vegetation Period ◽  
Health Condition ◽  
Radial Increment ◽  
Tree Ring Chronology ◽  
Standard Tree

Radial Growth and Health Condition of Norway Spruce (Picea Abies(L.) Karst.) Stands in Relation to Climate (Silesian Beskids, Czech Republic)The research was conducted in selected spruce stands of the Silesian Beskids aged over 70 at altitudes from 403 m a.s.l. to 794 m a.s.l. in 2008. The samples were taken and processed in compliance with standard dendrochronological methodology. Tree rings were measured and the tree-ring curves were synchronized using the PAST4 application. The age trend was removed in the ARSTAN application and the climatic influences were modelled in the DendroClim application. The regional standard tree-ring chronology shows an obvious decrease in the radial increment from the beginning of the 1970s to the mid-1990s. The gradual increase in radial increment which followed in the second half of the 1990s was interrupted in 2000, 2003, and 2006. Most of the years with the decreased radial increment have been confirmed by the analysis of significant negative years. The radial increment statistically significantly correlates with the precipitation in July and September of the previous year, precipitation in June of the year in question and precipitation during the vegetation period. Moreover, the growth of spruce is statistically significantly affected by temperatures in October of the previous year and March of the year in question. Additionally, the paper includes habitual monitoring of trees and the volume of salvage cutting in these districts. The condition of the habit of trees and the development of salvage cuttings agree with the hypothesis about strong stress load or its considerable increase in 2003 and the following years.

Radial growth variation of Norway spruce (Picea abies (L.) Karst.) across latitudinal and altitudinal gradients in central and northern Europe

2002 ◽  
Vol 171 (3) ◽  
pp. 243-259 ◽  
Author(s):  
Harri Mäkinen ◽  
Pekka Nöjd ◽  
Hans-Peter Kahle ◽  
Ulrich Neumann ◽  
Björn Tveite ◽  
...  
Keyword(s):  
Picea Abies ◽  
Norway Spruce ◽  
Radial Growth ◽  
Northern Europe ◽  
Altitudinal Gradients ◽  
Growth Variation
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