Realm: Terrestrial
Climate: Temperate
Biome: Temperate broadleaf and mixed forests
Central latitude: 52.800391
Central longitude: 6.513401
Duration: 53 years, from 1959 to 2019
13074 records
171 distinct species
Across the time series
Poecilus versicolor is the most frequently occurring species
Methods
Ground beetles were trapped in square metal pitfall traps with a perimeter of 1 m and a depth of 30 cm. Each plot consisted of three pitfall traps, spaced 10 m apart. Two of these were live-traps, and the third contained a 3% formaldehyde solution as trapping fluid. The numbers are the yearly sums for each species in each plot. A plot consists of 3 pitfall traps.
Citation(s)