Study took place in Tai National Park Cote d'Ivoire in 2014. Filmed Maxwell's duikers (Philantomba maxwellii) were assigned to distance intervals; recorded distances are the midpoints of the intervals. This data includes only observations recorded at times of peak activity.
Format
A data.frame with 6277 rows and 6 variables
Region.Labelstrata names (single stratum)Areasize of study area (40.37 km^2)multiplierspatial effort, as the proportion of a circle covered by the angle of view of the camera (42 degrees for these cameras)Sample.Labelcamera station identifier (21 functioning cameras in this data set)Efforttemporal effort, i.e. the number of 2-second time-steps over which the camera operatedobjectunique object IDdistanceradial distance (m) to interval midpoint
Source
Howe, E.J., Buckland, S.T., Després-Einspenner, M.-L. and Kühl, H.S. (2017), Distance sampling with camera traps. Methods Ecol Evol, 8: 1558-1565. doi:10.1111/2041-210X.12790
Howe, Eric J. et al. (2018), Data from: Distance sampling with camera traps, Dryad, Dataset, doi:10.5061/dryad.b4c70