Adaptation of European beech [Fagus sylvatica L.] to different ecological conditions: leaf size variation

• Autorzy: Barna M
• Języki publikacji: EN

Abstrakty

EN

This paper focuses on the issue related to the response of beech leaves to the opening of stand canopy resulting from a shelterwood cut of various intensity. Four research plots each with a different stand density provided different conditions for the development of foliage. The research was conducted on dominant, codominant and subdominant sample trees representing the mean stand diameter of all plots. The data were compared for the upper, middle and lower layer of tree crowns (each equals to one third of crown length). As for dominant and codominant trees, mean leaf area showed a tendency to increase towards the lower crown layer. As for subdominant trees, relation between the location of leaves in the crown and leaf area was similar to dominant and codominant trees but this trend was observed only on the plot most open. Only in the case of codominant trees the leaf area was decreasing with a decreasing stand density. Greater stand opening results in a proportionally smaller leaf area. Growing conditions for subdominant tree leaves were completely different when compared to conditions for upper tree classes. On the plots with harvest cutting we observed that a decreasing stand density resulted in a general increase of leaf size. The only exception to the rule was the control plot where the parameters recorded were higher and inconsistent with the above described trend.

Słowa kluczowe

EN

light adaptation; shelterwood cutting; forest ecology; Fagus sylvatica; beech; leaf size; stand density; mature stand; European beech

• Wydawca: -
• Czasopismo: Polish Journal of Ecology
• Rocznik: 2004
• Tom: 52
• Numer: 1
• Opis fizyczny: p.35-45,fig.,ref.

Twórcy

autor

Barna M

• Slovak Academy of Sciences, Sturova 2, 96053 Zvolen, Slovakia

Bibliografia

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