Abstract
In four study plots located in silver fir and Scots pine stands in Magura National Park (southeastern Poland), the relationships between the occurrence and biomass of epigeic carabids, the volume of deadwood and soil biochemical properties were investigated. Thirteen carabid beetle species from the genera Abax, Carabus, Molops and Pterostichus were captured. Rare epigeic carabid species in the fauna of Poland and Europe, such as Carabus glabratus (Paykull), Carabus sylvestris (Panzer) and Abax schueppeli (Germar), were recorded. The number of carabid individuals and species captured as well as the mean individual biomass index at different elevations and in forests of different tree compositions differed significantly. There were no correlations between deadwood volume, carabid abundance and the mean individual biomass of the carabid beetles. The mean individual Carabidae biomass increased with elevated pH, soil carbon content, soil dehydrogenase activity and the number of stumps.
Highlights
(southeastern Poland), the relationships between the occurrence and biomass of epigeic carabids, the volume of deadwood and soil biochemical properties were investigated
There were no correlations between deadwood volume, carabid abundance and the mean individual biomass of the carabid beetles
The individual biomass of carabid beetles is strongly and positively related to the biomass of the macrofauna responsible for litter decomposition, which is reflected in the quantity and quality of organic matter necessary for the proper functioning of forest ecosystems and the nutrient cycle [4,5,6]
Summary
Abstract: In four study plots located in silver fir and Scots pine stands in Magura National Park (southeastern Poland), the relationships between the occurrence and biomass of epigeic carabids, the volume of deadwood and soil biochemical properties were investigated. In carabid biomass under the influence of deadwood, may have a relationship with the degree of its decomposition, determined by the form and species composition of a stand and microenvironmental conditions [16,17].
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