Variation in canopy openness among main structural types of woody vegetation in a traditionally managed landscape

Volařík, Daniel; Svátek, Martin; Šenfeldr, Martin; Kučera, Aleš; Šrámek, Martin; Dreslerová, Jaromíra; Matula, Radim

doi:10.1007/s12224-016-9280-x

Cited by 15 publications

(5 citation statements)

References 56 publications

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“…Our analyses showed that no easy answer can be given to the ques- (Mairota et al, 2016;Volařík et al, 2017; but see Máliš et al, 2020). It is to be noted that the management of southern European coppices could be specifically adapted to Fagus: in parts of Italy, for example, a special system (selective coppicing) was used to help Fagus overcome its known limitations in coppice regeneration (Coppini and Hermanin, 2007).…”

Section: Standards and Underwood: Can Preferences Be Observed?mentioning

confidence: 89%

Standard trees versus underwood: Historical patterns of tree taxon occurrence in coppice forests

Szabó

Hédl

Šipoš

2020

J Vegetation Science

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Questions: Coppice woods were once widespread in Europe. It is usually assumed that underwood tree taxon composition was not directly influenced by people, whereas especially Quercus was promoted among standard trees. However, no work has quantitatively tested these assumptions. Our main question was whether there were any patterns in our data to suggest that certain trees occurred more frequently as standards than as underwood, possibly as a result of management decisions. Location: Czech Republic. Methods: We constructed a database covering 12,000 hectares of forests around AD 1900. We recorded the occurrence of tree taxa for standards and underwood in 1,507 compartments in 21 forest units. We visualised patterns in these data by bar graphs and chord diagrams. We analysed correlation patterns through association analysis and co-correspondence analysis. Results: There was a statistically significant association between the occurrences of standards and underwood in individual compartments for Quercus, Alnus, Carpinus, Fagus, Larix, Populus tremula and Tilia. Only Quercus standards and underwood showed a positive association. The taxon composition of standards and underwood in forest compartments was statistically significantly correlated. Conclusions: No simple answer can be given to the question whether or not the taxon composition of standards and underwood in coppice woods differed as a result of management. At the level of individual tree taxa, some trees were more common as standards while others, as underwood. However, the prevalence of Quercus among standards was not confirmed because in our study area Quercus was a common underwood tree as well. At the same time, no significant differences were apparent in the taxon composition of standards and underwood in individual forest compartments. It seems difficult to differentiate between the effects of human selection and indirect selection through natural properties and environmental factors. Our results also highlight the need to carefully consider the properties of written historical sources.

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Section: Standards and Underwood: Can Preferences Be Observed?mentioning

confidence: 89%

Standard trees versus underwood: Historical patterns of tree taxon occurrence in coppice forests

Szabó

Hédl

Šipoš

2020

J Vegetation Science

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“…We normalized the z-scores of all explanatory variables for fixed effects to compare the model parameter estimates. Collinearity among variables was tested using the variance inflation factor (VIF), ensuring that all explanatory variables satisfied the criterion of VIF < 10 [58] (Table A5). The heterogeneity of the residuals was tested using the Durbin-Watson test [59].…”

Section: Discussionmentioning

confidence: 99%

Impact of Forest Parkification on Color Authenticity

Han,

Zhang,

Wang

et al. 2023

Forests

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Preserving the authenticity of forest colors is essential to highlight regional characteristics and promote the sustainable development of forest landscapes. However, the factors and mechanisms influencing forest color remain unclear. We quantified 1422 forest color images from 43 parks across seven biogeographic regions in China to capture the forest color composition among regions. A generalized linear mixed-effects model was used to analyze the effects of meteorological and anthropogenic disturbance factors on forest color. Meteorological factors included accumulated sunshine hours, average temperature, accumulated precipitation, frost-free period, average wind speed, and average air quality index. Anthropogenic disturbance factors included park feature indicators (area, elevation, and perimeter-area ratio) and human activity indicators (distance to urban areas, building density, and road density). We calculated p-values and relative effect estimates to determine the sensitivity and degree of sensitivity of color to each factor. The results indicated the following: (1) forest color composition varied significantly among different regions in China with variations observed particularly in the proportions of primary (green), secondary (yellow and yellow-green), and accent colors (orange and blue-green); (2) forest colors were sensitive to all meteorological factors; (3) orange, yellow, purple, and red were all sensitive to anthropogenic disturbance factors; and (4) forest accent colors were more strongly influenced by anthropogenic disturbance factors, particularly park features. To protect the authenticity of forest colors, it is necessary to avoid excessive borrowing of forest color schemes from different regions, control park features, reduce building area within the park buffer zones, and optimize park tourism routes.

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“…The The woody canopy openness of each plot (Volařík et al, 2017) was evaluated visually as the visibility of the sky through the canopy. The life-forms of bryophytes are defined according to Hill et al (2007).…”

Section: Study Site Characteristicsmentioning

confidence: 99%

Bryophytes under a moss “canopy” on the Stradch Mountain (Ukraine)

Pundiak

2023

Acta fytotechn zootechn

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Variation in canopy openness among main structural types of woody vegetation in a traditionally managed landscape

Cited by 15 publications

References 56 publications

Standard trees versus underwood: Historical patterns of tree taxon occurrence in coppice forests

Standard trees versus underwood: Historical patterns of tree taxon occurrence in coppice forests

Impact of Forest Parkification on Color Authenticity

Bryophytes under a moss “canopy” on the Stradch Mountain (Ukraine)

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