pitfall trap

pitfall trap

a trap (e.g. a jar sunk into the ground) into which mobile animals may fall and from which they are unable to escape.
References in periodicals archive ?
One pitfall trap was placed at each sampling point in the vineyard, with 20 traps per farm in Rio Grande do Sul and 12 per farm in Santa Catarina.
Sites for pitfall trap pairs were at least 80 m apart.
During the spring and summer seasons, we added pitfall trap arrays to our sampling design to better target shrews (Soricidae).
In order to characterize the differences in the spider community each pitfall trap was treated as an independent replicate and samples were pooled as either pre- or post-treatment and adjusted to per-trapping-week.
Few drops of 5% liquid detergent were added to each pitfall trap to lower the surface tension.
The spectacular and unique pitcher plant (Sarracenia purpurea) is our sole representative species belonging to the pitfall trap family.
It is of an elephant pitfall trap, dug along a remote bush pathway.
It was caught in 2010 in a pitfall trap in Umm Ghafa, Mezyad in Al Ain.
the ubiquitous five-gallon buckets) are generally the largest pitfall traps used, but previous research has shown that efficiency of pitfall trap increases with the diameter of the trap (Greenberg et al.
Roux, pitfall trap (NCA 2009/1552); 1[female] 1[female] Krugersdorp, Magaliesberg, Farm Nooitgedacht, 4171Q (25.