Impact of canopy openness on understory vegetation in beech forests

Dolenjak, Igor (2010) Impact of canopy openness on understory vegetation in beech forests. Diploma thesis, Faculty of Science > Department of Biology.

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This research was conducted in Medvednica Nature Park, with aim to determine impact of canopy openness on understory vegetation in beech forest and to test how many hemispherical photographs per plot is enough to obtain similar results. Overall seven plots in three beech forest associations were surveyed. Nine photographs across regular 3x3 grid were taken on each plot, present flora recorded and analysed, as well as soil samples taken for measuring soil acidity. Photographs were analyzed using Gap Light Analyzer software for obtaining canopy openness and leaf area index values. Results has show that there is no positive correlation between canopy openness and Ellenberg’s indexes for light and number of species. Increased canopy openness was followed with increase acidity that turned out to be much more important environmental factor for development of understory vegetation in these forests than the available light.

Item Type: Thesis (Diploma thesis)
Keywords: Medvednica, pH, light, hemispherical photography, Ellenberg
Supervisor: Jelaska, Sven
Date: 2010
Number of Pages: 42
Subjects: NATURAL SCIENCES > Biology
Divisions: Faculty of Science > Department of Biology
Depositing User: Silvana Šehić
Date Deposited: 04 Sep 2014 12:36
Last Modified: 17 Feb 2016 10:56

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