nematode {popbio} | R Documentation |
Population densities for the sugarbeet cyst nematode
Description
A time-series of population vectors for the sugarbeet cyst nematode Heterodera schachtii. Individuals were classified into three stages (J2, J3+J4, and adult) and densities (per 60 cc of soil) were averaged over four replicates, measured every two days, for 10 days. .
Usage
nematode
Format
A matrix listing densities from 3 stage classes over 6 time periods
Source
Example 6.3 in Caswell (2001).
References
Caswell, H. 2001. Matrix population models. Construction, Analysis and interpretation. 2nd ed. Sinauer, Sunderland, Massachusetts.
See Also
Examples
nematode
stage.vector.plot(nematode,
prop = FALSE, log = "y", ylim = c(.3, 200),
xlab = "Time", ylab = "Nematode density"
)
[Package popbio version 2.8 Index]