A data set containing counts of salamanders with site covariates and sampling covariates. Each of 23 sites was sampled 4 times. When using this data set, please cite Price et al. (2016) as well as the Dryad data package (Price et al. 2015).
A data frame with 644 observations on the following 10 variables:
name of a location where repeated samples were taken
factor indicating whether the site was affected by mountain top removal coal mining
amount of cover objects in the stream (scaled)
Days since precipitation (scaled)
water temperature (scaled)
day of year (scaled)
abbreviated species name, possibly also life stage
number of salamanders observed
Price SJ, Muncy BL, Bonner SJ, Drayer AN, Barton CD (2016) Effects of mountaintop removal mining and valley filling on the occupancy and abundance of stream salamanders. Journal of Applied Ecology 53 459–468. doi: 10.1111/1365-2664.12585
Price SJ, Muncy BL, Bonner SJ, Drayer AN, Barton CD (2015) Data from: Effects of mountaintop removal mining and valley filling on the occupancy and abundance of stream salamanders. Dryad Digital Repository. doi: 10.5061/dryad.5m8f6
require("glmmTMB") data(Salamanders) zipm3 = glmmTMB(count~spp * mined + (1|site), zi=~spp * mined, Salamanders, family="poisson")
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