Journal
TREES-STRUCTURE AND FUNCTION
Volume 28, Issue 3, Pages 831-839Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00468-014-0995-0
Keywords
Forest hydrology; Plant interception; Bark of forest trees; Bark surface; Coefficient of development of the interception surface of bark
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Funding
- Polish Ministry of Science and Higher Education [BM/4419/KIL/12]
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The coefficient of development of the interception surface of bark allows for objective assessment of the degree of bark surface differentiation between different species. Inter-species differentiation of bark morphology and its variability progressing with tree age suggest that the hydrological properties of the bark of particular species depend on the degree of development of the outer bark surface of trees. The aim of the present research was to develop a method of calculating the actual bark surface with the use of the coefficient of development of the interception surface of bark, describing the degree of development of the outer bark surface of trees. The primary aim was to show inter-species differentiation of the coefficient of development of the interception surface of bark at breast height, as well as its variability within a single species, progressing with tree age. The present study shows the results obtained for 77 bark samples collected at the breast height of the following tree species: Pinus sylvestris L., Larix decidua Mill., Abies alba Mill., Picea abies L., Quercus robur L., Fagus sylvatica L., Acer pseudoplatanus L. and Betula pendula Ehrh. In all of the examined species, the coefficient of development of the interception surface of bark shows a distinct relation to the breast-height diameter. The highest values of coefficient of development of the interception surface of bark among the thickest trees are reached by: L. decidua-2.56, Pinus sylvestris-2.28 and B. pendula-2.44, whereas the lowest values are reached by the bark of European beech F. sylvatica-1.07. The coefficient of development of the interception surface of bark describes the morphological differentiation of the outer bark surface of trees in an objective way. Owing to its mathematical form, the coefficient of development of the interception surface of bark may be useful in the modelling of hydrological processes occurring in forest ecosystems.
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