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Karst dolines provide diverse microhabitats for different functional groups in multiple phyla.
Zoltán Bátori1, András Vojtkó2, István Elek Maák3,4
1Department of Ecology, University of Szeged, Közép fasor 52, H-6726, Szeged, Hungary. zbatory@gmail.com.
Scientific Reports
|May 11, 2019
Summary
Karst depressions called dolines create diverse microclimates. These varied microclimates support distinct plant and ant species, increasing local biodiversity and offering refuge during climate change.
Area of Science:
- Ecology
- Biogeography
- Geomorphology
Background:
- Fine-scale topographic complexity generates microclimates, enabling species to thrive beyond their typical ranges and boosting local biodiversity.
- Karst landscapes feature enclosed depressions (dolines) with distinct microclimates: warmer/drier on equator-facing slopes and cooler/moister in depression bottoms and on pole-facing slopes.
Purpose of the Study:
- To investigate if microclimate variations within karst dolines influence the distribution patterns of functional groups in different phyla.
- To determine if doline microclimates serve as crucial habitats for species with specific environmental preferences.
Main Methods:
- Field study analyzing the distribution of functional groups of arthropods (ants) and vascular plants within karst dolines.
- Comparison of species distribution across different microhabitats: north-facing slopes, south-facing slopes, depression bottoms, and surrounding plateau.
Main Results:
- Species distribution patterns for both ants and plants mirrored the microclimatic gradients within the dolines.
- North-facing slopes and doline bottoms supported species adapted to cooler/moister conditions.
- South-facing slopes were habitats for species preferring warmer/drier conditions, while plateau species preferred intermediate conditions.
Conclusions:
- Karst dolines provide a mosaic of microclimatic habitats that accommodate species with diverse environmental needs.
- These dolines act as significant refugia, potentially aiding the persistence of various taxa facing climate oscillations.
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