moths

Data set of moth species richness from Ohio and Indiana, USA.

datasets

Functions are primarily functions for systems of ordinary differential equations, difference equations, and eigenanalysis and projection of demographic matrices;
data are for examples. Documentation of methods is provided in
Stevens, MHH (2009, <https://www.springer.com/gp/book/9780387898810>).

Hank Stevens

primer

Functions and Data for the Book, A Primer of Ecology with R

moths function

A data frame with 21 observations on the following 6 variables.<dl class="dl-horizontal">
 <dt><code>region</code></dt><dd>a factor with levels <code>NCT</code> <code>WAP</code> for the two collection regions.</dd>
 <dt><code>site</code></dt><dd>a factor with levels associated with county names.</dd>
 <dt><code>area</code></dt><dd>a numeric vector for the area of each forest fragment</dd>
 <dt><code>spp</code></dt><dd>a numeric vector, the number of moth species.</dd>
 <dt><code>lat</code></dt><dd>a numeric vector; latitude</dd>
 <dt><code>long</code></dt><dd>a numeric vector; longitude</dd>
 </dl>

Format

Moth Species Richness — moths

A data frame with 21 observations on the following 6 variables.<dl class='dl-horizontal'>
 <dt><code>region</code></dt><dd>a factor with levels <code>NCT</code> <code>WAP</code> for the two collection regions.</dd>
 <dt><code>site</code></dt><dd>a factor with levels associated with county names.</dd>
 <dt><code>area</code></dt><dd>a numeric vector for the area of each forest fragment</dd>
 <dt><code>spp</code></dt><dd>a numeric vector, the number of moth species.</dd>
 <dt><code>lat</code></dt><dd>a numeric vector; latitude</dd>
 <dt><code>long</code></dt><dd>a numeric vector; longitude</dd>
 </dl>

moths: Moth Species Richness

Description

Usage

Arguments

Format

References

Examples