Simulated line transect survey of duck nests, designed to reproduce the data of Figure 2 in Anderson and Pospahala (1970).
Format
A data.frame
with 534 rows and 7 variables
Region.Label
strata names (single stratum in this instance)Area
size of refuge (0 in this case, actual size 60km^2)Sample.Label
transect IDEffort
length of transects (km)object
nest IDdistance
perpendicular distance (m)Study.Area
name of wildlife refuge
Source
Simulated data, from the distance sampling introductory course, Centre for Research into Ecological & Environmental Modelling, University of St Andrews.
Details
The Monte Vista National Wildlife Refuge is in southern Colorado in the USA at an altitude of roughly 2400m.
References
Anderson, D. R., and R. S. Pospahala. 1970. Correction of bias in belt transect studies of immotile objects. The Journal of Wildlife Management 34 (1): 141–146. doi:10.2307/3799501