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Hunting spider data
Description
Abundance of hunting spiders in a Dutch dune area.
Usage
data(glass)
Format
A list of data frames containing the frequency table (28 observations) and the row covariates.
Table:
Alopacce- Abundance of Alopecosa accentuata.
Alopcune- Abundance of Alopecosa cuneata.
Alopfabr- Abundance of Alopecosa fabrilis.
Arctlute- Abundance of Arctosa lutetiana.
Arctperi- Abundance of Arctosa perita.
Auloalbi- Abundance of Aulonia albimana.
Pardlugu- Abundance of Pardosa lugubris.
Pardmont- Abundance of Pardosa monticola.
Pardnigr- Abundance of Pardosa nigriceps.
Pardpull- Abundance of Pardosa pullata.
Trocterr- Abundance of Trochosa terricola.
Zoraspin- Abundance of Zora spinimana.
Row covariates:
WaterCon- Log percentage of soil dry mass.
BareSand- Log percentage cover of bare sand.
FallTwig- Log percentage cover of fallen leaves and twigs.
CoveMoss- Log percentage cover of the moss layer.
CoveHerb- Log percentage cover of the herb layer.
ReflLux- Reflection of the soil surface with cloudless sky.
References
Van der Aart, P.J.M. and Smeek-Enserink, N. (1975).
Correlations between distributions of hunting spiders (Lycosidae, Ctenidae)
and environmental characteristics in a dune area. Netherlands Journal of Zoology, 25, 1–45.
Examples
data(spider)
str(spider)
[Package
anacor version 0.9-2
Index]