GRH93 {caribou}

George River Herd 1993 Data

Description

Population size of the George River (Riviere George) herd (Quebec and Labrador) from a postcalving survey in July 1993.

Usage

data(GRH93)

Format

28 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, 92 collars were active.
73 collars (79%) were photographed among the 28 detected groups.

Source

Rivest, L.-P., Couturier, S. and Crepeau, H. (1998). Statistical Methods for estimating caribou abundance using postcalving aggregations detected by radio telemetry. Biometrics, 54(3), 865-876.

Examples

petersen(GRH93, M=92)
petersen(GRH93, M=92, S=4000)
abundance(GRH93, n=92, model="H")
abundance(GRH93, n=92, model="I")
abundance(GRH93, n=92, model="T", B=2)
abundance(GRH93, n=92, model="T", B=4)
abundance(GRH93, n=92, model="T", B=6)