amakihi: Hawaiian amakihi point transect data

In DistanceDevelopment/dsdata: Distance sampling workshop data

Description

Also known as the Common 'Amakihi, a type of Hawaiian honeycreeper

Format

A data frame with 1487 rows and 12 variables

Region.Label	strata names (seven strata)
Area	size of study area (set to 0)
Sample.Label	transect ID
Effort	number of visits to point
object	object ID
distance	radial distance (m)
Month	month survey conducted (not used)
OBs	observer ID (note capitalisation of variable name)
Sp	species code (COAM) for all detections
MAS	Time after sunrise (min)
HAS	Time after sunrise (hours)
Study.Area	name of study area

Note

Example for investigating covariates in the detection function. Note high colinearity between two measures of time since sunrise. Convergence problems can result from models with several factor covariates.

References

Marques, T.A., L. Thomas, S.G. Fancy and S.T. Buckland. (2007) Improving estimates of bird density using multiple-covariate distance sampling. The Auk 124 (4): 1229–1243. https://doi.org/10.1642/0004-8038(2007)124[1229:IEOBDU]2.0.CO;2.

DistanceDevelopment/dsdata documentation built on July 29, 2020, 11 p.m.