CalibDataBat {IsoriX}

Calibration dataset for bat species

Description

This dataset contains hydrogen delta values of fur keratin from 6 sedentary bat species. It corresponds to the combination of several studies as detailed in Voigt & Lenhert 2019. This is the dataset used in Courtiol et al. 2019. The data can be used as an example to fit a calibration model using the function [calibfit].

Format

A *dataframe* with 335 observations on 7 variables:

[, 1]	site_ID	(*factor*)	Identification of the sampling site
[, 2]	long	(*numeric*)	Longitude coordinate (decimal degrees)
[, 3]	lat	(*numeric*)	Latitude coordinate (decimal degrees)
[, 4]	elev	(*numeric*)	Elevation asl (m)
[, 5]	sample_ID	(*factor*)	Identification of the sampled animal
[, 6]	species	(*factor*)	A code for the species
[, 7]	sample_value	(*numeric*)	Hydrogen delta value of the tissue

Details

Users who wish to use their own dataset for calibration should create a *dataframe* of similar structure than this one (only the column 'species' can be dropped). The columns should possess the same names as the ones described above. If the elevation is unknown at the sampling sites, elevation information can be extracted from a high resolution elevation raster using the function [terra::extract] (see **Examples** in [CalibDataBat2]).

References

Voigt CC & Lehnert L (2019). Tracking of movements of terrestrial mammals using stable isotopes. In Hobson KA, Wassenaar LI (eds.), Tracking Animal Migration with Stable Isotopes, second edition. Academic Press, London.

Courtiol A, Rousset F, Rohwäder M, Soto DX, Lehnert L, Voigt CC, Hobson KA, Wassenaar LI, Kramer-Schadt S (2019). Isoscape computation and inference of spatial origins with mixed models using the R package IsoriX. In Hobson KA, Wassenaar LI (eds.), Tracking Animal Migration with Stable Isotopes, second edition. Academic Press, London.

See Also

[CalibDataBat2] for another (related) calibration dataset

[calibfit] to fit a calibration model

Examples

head(CalibDataBat)
str(CalibDataBat)