Western Arctic Herd 2011 Data

Description

Population size of the Western Arctic Herd (Alaska) from a postcalving survey in 2011.

Usage

data(WAH11)

Format

10 by 2 numeric matrix, with the following columns:

xi

number of radio-collared animals in the detected (photographed) groups

gni

size of the detected groups

Details

During this survey, 97 collars were active.
96 collars (99%) were photographed among the 10 detected groups.

Note

This data set provide the opportunity to test the models under very high sampling regime.

Source

Dau, J., unpubl. data

Examples

data(WAH11)
petersen(WAH11, M=97)
abundance(WAH11, n=97, model="H")
abundance(WAH11, n=97, model="I")
abundance(WAH11, n=97, model="T", B=2)