2001
DOI: 10.1046/j.1570-7458.2001.00761.x
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Abstract: Movement of Pterostichus melanarius (Illiger) (Coleoptera: Carabidae) was studied in the laboratory, and a simulation model developed. The model was calibrated and validated using mark-release-recapture within a grid of pitfall traps in a commercial raspberry field. Rate of movement increased linearly with both temperature and starvation. The temperature threshold for movement, pooling all starvation levels was 3.8 • C ± 0.78 (s.e.). When beetles were released at various distances from a trap in the simulation… Show more

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Cited by 43 publications
(29 citation statements)
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“…Data on insect abundance are usually collected with traps (Pedigo and Buntin, 1994;Raworth and Choi, 2001). After a trap is set up in the field and has been exposed for a certain time, it catches a certain number n 1 of insects of a given species.…”
Section: Introductionmentioning
confidence: 99%
“…Data on insect abundance are usually collected with traps (Pedigo and Buntin, 1994;Raworth and Choi, 2001). After a trap is set up in the field and has been exposed for a certain time, it catches a certain number n 1 of insects of a given species.…”
Section: Introductionmentioning
confidence: 99%
“…These results agree with those reported by Miñarro & Dapena (2003), who found lower abundance of carabids in apple rows covered with plastic than rows without plastic and rows with organic cover (cereal stubble and pine bark). However, the fact that there were a larger number of captures in certain environments may not only due to a greater presence of carabids, but also to an increase in their movement activity, which in turn may be related to anthropic perturbation such as manual weeding (Holland & Smith, 1999) and/or environmental factors such as temperature and food availability (Raworth y Choi, 2001). Among the anthropic perturbation factions, the high amount of weeds in the treatment without cover (T4) and the continual manual weeding required to maintain the rows open may have affected the mobility of the carabids and have influenced the increment of their capture.…”
Section: Discussionmentioning
confidence: 99%
“…where F(x, τ) is defined by (17). It is well known that diffusion is the macroscopic description of Brownian motion [67], where the MSD is equal to the variance of the step distribution φ(ξ),…”
Section: Equivalence Of Trap Counts: Brownian Motion Vs Diffusion Inmentioning
confidence: 99%