Do seasonal changes in numbers of aerially dispersing spiders reflect population density on the ground or variation in ballooning motivation?

@article{Weyman1995DoSC,
  title={Do seasonal changes in numbers of aerially dispersing spiders reflect population density on the ground or variation in ballooning motivation?},
  author={Gabriel S. Weyman and Paul C Jepson and Keith D. Sunderland},
  journal={Oecologia},
  year={1995},
  volume={101},
  pages={487-493}
}
Groups of linyphiid spiders (Erigone spp.) (Araneae, Linyphiidae), collected at intervals from arable land, were tested in laboratory bioassays to determine the proportion of individuals that exhibited ballooning behaviour on each field sampling occasion. There was no significant variation in the proportions of spiders in each test group ballooning in the laboratory over a year. Investigations of ground density and aerial dispersal, in a grass field and a winter-wheat field, confirmed that… CONTINUE READING

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