ducknest: Ducknest line transect survey data

Description Format Details Source References


Simulated line transect survey of duck nests, designed to reproduce the data of Figure 2 in Anderson and Pospahala (1970).


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 ID
Effort length of transects (km)
object nest ID
distance perpendicular distance (m)
Study.Area name of wildlife refuge


The Monte Vista National Wildlife Refuge is in southern Colorado in the USA at an altitude of roughly 2400m.


Simulated data, from the distance sampling introductory course, Centre for Research into Ecological & Environmental Modelling, University of St Andrews.


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.

Distance documentation built on Jan. 13, 2021, 10:43 p.m.