bighornSheep {syllogi} | R Documentation |
Bighorn Sheep
Description
Bighorn Sheep data
Usage
data(bighornSheep)
Format
The data frame has 8000 rows (a geographic sample unit) and 15 variables:
- sampleUnit
Sample unit ID, 150m circles randomly overlayed across the study area
- count
Count of use by bighorn sheep.
- slope
Average slope (degrees) within the sampling unit
- elev
Average elevation (m) within the sampling unit
- distBurn
Sampling unit center to nearest (m) burned habitat edge calculated after fire event
- distRoad
Sampling unit center to nearest (m) road
- distEscp
Sampling unit center to nearest (m) escape terrain (slope > 27 degrees)
- distWater
Sampling unit center to nearest (m) perennial water source
- aspect
Dominant cardinal direction within each sampling unit
- fire
1 = after fire, 0 = before fire
- season
Season, summer or winter
Details
Twelve female bighorn sheep are radio collared and tracked. Location of use of points is recorded before and after a forest fire.
References
Clapp, J.G., Beck, J.L. Short-Term Impacts of Fire-Mediated Habitat Alterations on an Isolated Bighorn Sheep Population. fire ecol 12, 80–98 (2016). https://doi.org/10.4996/fireecology.1203080
Examples
data('bighornSheep', package='syllogi')
str(bighornSheep)