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Forest fragmentation modulates effects of tree species richness and composition on ecosystem multifunctionality
Lionel R Hertzog1, Roschong Boonyarittichaikij2, Daan Dekeukeleire1
1Terrestrial Ecology Unit, Department of Biology, Ghent University, K.L. Ledeganckstraat 35, 9000, Ghent, Belgium.
Ecology
|March 15, 2019
Summary
Forest fragmentation enhances ecosystem multifunctionality and its link to tree diversity. Management must consider landscape context for optimizing forest fragment services.
Area of Science:
- Ecology
- Forestry
- Conservation Biology
Background:
- Forest fragments in disturbed landscapes provide critical ecosystem services.
- Optimizing tree species richness and composition in fragments is vital for ecosystem functioning.
- Landscape context influences the relationship between tree diversity and ecosystem multifunctionality.
Purpose of the Study:
- To analyze how tree species diversity-multifunctionality relationships change with forest fragmentation intensity.
- To understand the role of landscape context in forest fragment functioning.
Main Methods:
- Utilized an observatory network of 53 temperate forest plots.
- Varied tree species richness, composition, and fragmentation intensity across plots.
- Measured 24 ecosystem functions across multiple trophic levels.
Main Results:
- Forest fragmentation generally increases ecosystem multifunctionality.
- Fragmentation strengthens the positive relationship between tree diversity and multifunctionality, potentially via edge effects.
- Optimal tree species combinations for ecosystem functioning vary with fragmentation levels.
Conclusions:
- Management and restoration of forest fragments must be tailored to specific landscape contexts to maximize multifunctionality.
- Increasing tree diversity is crucial for maintaining forest functioning as fragmentation continues.
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