Diversity and abundance of carabid beetles in short-rotation plantings of sweetgum, maize and switchgrass in Alabama

作者: K. E. Ward , R. N. Ward

DOI: 10.1023/A:1013307023951

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摘要: This study compares assemblages of carabid beetles, potentially important regulators herbivorous insect pests, in short-rotation plantings sweetgum (Liquidambar styraciflua L.) with and without grass cover crops, maize (Zea mays switchgrass (Panicum virgatum L.). A total 38 species were trapped during the summers 1996 1997. The dominant encountered was Harpalus pensylvanicus Latreille, a widespread omnivorous species; H. particularly prevalent plots. Several other commonly primarily associated one plot type. Overall activity found to be similar plots much greater than that both types. may related presence more consistently available dense ground these compared plots, situation favored by most carabids, although abundance diversity cover. Diversity, as indicated richness dominance levels, or which similar.

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