spider {anacor} | R Documentation |
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)