Effects of leaf-litter addition on carabid beetles in a non-native Norway spruce plantation

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19 Citations (Scopus)

Abstract

To study the short-term effect of leaf-litter manipulation on the structure of carabid assemblage in a 50-year-old Norway spruce plantation in Hungary, pitfall samples from leaf-litter plots (leaf-litter addition) and control plots (no manipulation) were compared during the growing season in 2000. The most frequent species, Pterostichus oblongopunctatus, was significantly more numerous in the leaf-litter samples than in the control ones, indicating the leaf-litter preference of this species. Leaf-litter addition had no significant effect on the abundance of the other four dominant carabid species (Carabus violaceus, Cychrus caraboides, Abax parallelepipedus, Molops piceus). Difference in the number of collected carabid individuals, species richness and the Shannon diversity between the control and the manipulated plots were not significant. The observed leaf-litter preference of Pterostichus oblongopunctatus could be explained with the microhabitat variations and/or the interspecific interactions. Leaf-litter addition altered the microclimatic conditions (lower ground temperature, higher amount of prey items) and produced favourable microhabitat conditions that could influence the spatial distribution of Pterostichus oblongopunctatus. Moreover, the number of carabid larvae was significantly higher in the leaf-litter plots, indicating that the leaf-litter plots with their favourable conditions may be advantageous egg-laying sites.

Original languageEnglish
Pages (from-to)9-23
Number of pages15
JournalActa Zoologica Academiae Scientiarum Hungaricae
Volume50
Issue number1
Publication statusPublished - 2004

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plant litter
Picea abies
plantations
Coleoptera
Pterostichus
microhabitats
Hungary
oviposition
growing season
spatial distribution
sampling
species diversity
larvae

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

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title = "Effects of leaf-litter addition on carabid beetles in a non-native Norway spruce plantation",
abstract = "To study the short-term effect of leaf-litter manipulation on the structure of carabid assemblage in a 50-year-old Norway spruce plantation in Hungary, pitfall samples from leaf-litter plots (leaf-litter addition) and control plots (no manipulation) were compared during the growing season in 2000. The most frequent species, Pterostichus oblongopunctatus, was significantly more numerous in the leaf-litter samples than in the control ones, indicating the leaf-litter preference of this species. Leaf-litter addition had no significant effect on the abundance of the other four dominant carabid species (Carabus violaceus, Cychrus caraboides, Abax parallelepipedus, Molops piceus). Difference in the number of collected carabid individuals, species richness and the Shannon diversity between the control and the manipulated plots were not significant. The observed leaf-litter preference of Pterostichus oblongopunctatus could be explained with the microhabitat variations and/or the interspecific interactions. Leaf-litter addition altered the microclimatic conditions (lower ground temperature, higher amount of prey items) and produced favourable microhabitat conditions that could influence the spatial distribution of Pterostichus oblongopunctatus. Moreover, the number of carabid larvae was significantly higher in the leaf-litter plots, indicating that the leaf-litter plots with their favourable conditions may be advantageous egg-laying sites.",
keywords = "Carabid beetles, Environmental conditions, Habitat heterogeneity, Interspecific interactions, Leaf-litter addition, Spatial distribution",
author = "T. Magura and B. T{\'o}thm{\'e}r{\'e}sz and Z. Elek",
year = "2004",
language = "English",
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journal = "Acta Zoologica Academiae Scientiarum Hungaricae",
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TY - JOUR

T1 - Effects of leaf-litter addition on carabid beetles in a non-native Norway spruce plantation

AU - Magura, T.

AU - Tóthmérész, B.

AU - Elek, Z.

PY - 2004

Y1 - 2004

N2 - To study the short-term effect of leaf-litter manipulation on the structure of carabid assemblage in a 50-year-old Norway spruce plantation in Hungary, pitfall samples from leaf-litter plots (leaf-litter addition) and control plots (no manipulation) were compared during the growing season in 2000. The most frequent species, Pterostichus oblongopunctatus, was significantly more numerous in the leaf-litter samples than in the control ones, indicating the leaf-litter preference of this species. Leaf-litter addition had no significant effect on the abundance of the other four dominant carabid species (Carabus violaceus, Cychrus caraboides, Abax parallelepipedus, Molops piceus). Difference in the number of collected carabid individuals, species richness and the Shannon diversity between the control and the manipulated plots were not significant. The observed leaf-litter preference of Pterostichus oblongopunctatus could be explained with the microhabitat variations and/or the interspecific interactions. Leaf-litter addition altered the microclimatic conditions (lower ground temperature, higher amount of prey items) and produced favourable microhabitat conditions that could influence the spatial distribution of Pterostichus oblongopunctatus. Moreover, the number of carabid larvae was significantly higher in the leaf-litter plots, indicating that the leaf-litter plots with their favourable conditions may be advantageous egg-laying sites.

AB - To study the short-term effect of leaf-litter manipulation on the structure of carabid assemblage in a 50-year-old Norway spruce plantation in Hungary, pitfall samples from leaf-litter plots (leaf-litter addition) and control plots (no manipulation) were compared during the growing season in 2000. The most frequent species, Pterostichus oblongopunctatus, was significantly more numerous in the leaf-litter samples than in the control ones, indicating the leaf-litter preference of this species. Leaf-litter addition had no significant effect on the abundance of the other four dominant carabid species (Carabus violaceus, Cychrus caraboides, Abax parallelepipedus, Molops piceus). Difference in the number of collected carabid individuals, species richness and the Shannon diversity between the control and the manipulated plots were not significant. The observed leaf-litter preference of Pterostichus oblongopunctatus could be explained with the microhabitat variations and/or the interspecific interactions. Leaf-litter addition altered the microclimatic conditions (lower ground temperature, higher amount of prey items) and produced favourable microhabitat conditions that could influence the spatial distribution of Pterostichus oblongopunctatus. Moreover, the number of carabid larvae was significantly higher in the leaf-litter plots, indicating that the leaf-litter plots with their favourable conditions may be advantageous egg-laying sites.

KW - Carabid beetles

KW - Environmental conditions

KW - Habitat heterogeneity

KW - Interspecific interactions

KW - Leaf-litter addition

KW - Spatial distribution

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