Abstract
This study presents research on communities of Pterostichus spp. beetles found in 2001 and 2003 in three types of wetland: elm and ash riparian forest (RF), poplar monoculture (P) and extensively managed meadow (M). All sample plots were located near the city of Bydgoszcz (53?, 9?N18?E) on the Vistula River floodplain. During both years, 11 species of genus Pterostichus spp. were found. In 2001, from all sample plots 886 beetles were collected; in 2003, 5 963. In both years, most specimens came from plot RF (636 in 2001 and 3 544 in 2003). From plot P, 1 862 specimens of Pterostichus spp. beetles were collected and from plot M, 807 specimens. No statistically significant influences of the marshland habitat type and year of research on communities of Pterostichus spp. beetles were revealed.
Highlights
The highest number of Pterostichus spp. beetles (4 individuals) was captured in the ash and elm riparian forest (RF), 1 862 beetles were captured in the poplar monoculture (P), and the lowest number of beetles (807) were found on extensively managed meadows (M) (Table 1)
We found no statistically significant effect of habitat type on the number of captured beetles
During both study years 11 beetle species from the genus Pterostichus were captured in all the study sites
Summary
This study presents research on communities of Pterostichus spp. beetles found in 2001 and 2003 in three types of wetland: elm and ash riparian forest (RF), poplar monoculture (P) and extensively managed meadow (M). All sample plots were located near the city of Bydgoszcz (53o, 9’N18oE) on the Vistula River floodplain. During both years, 11 species of genus Pterostichus spp. were found. In 2001, from all sample plots 886 beetles were collected; in 2003, 5 963 In both years, most specimens came from plot RF (636 in 2001 and 3 544 in 2003). From plot P, 1 862 specimens of Pterostichus spp. beetles were collected and from plot M, 807 specimens. No statistically significant influences of the marshland habitat type and year of research on communities of Pterostichus spp. beetles were revealed.
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