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assignR (version 1.2.0)

knownOrig: Isotope values for tissues of known origin

Description

This dataset consists of hydrogen and oxygen isotope values of human hair, insect chitin and bird feathers with location and sample information.

Usage

data("knownOrig")

Arguments

Format

SpatialPointsDataFrame with 8 variables.

[, 1]

d2H: Hydrogen isotope ratio (permil, VSMOW)

[, 2]

d18O: Oxygen isotope ratio (permil, VSMOW)

[, 3]

Taxon: Genus and species name

[, 4]

Group: Taxonomic group (informal)

[, 5]

Source_quality:Code indicating level of certainty in geographic origin

[, 6]

Age_code: Code for age of individual

[, 7]

Reference: Bibliographic citation of source

[, 8]

ID: Unique ID

References

Bowen, G. J. et al. (2009) Dietary and physiological controls on the hydrogen and oxygen isotope ratios of hair from mid-20th century indigenous populations. American Journal of Physical Anthropology, 139, 494--504.

Clark, R. G., Hobson, K. A. and Wassenaar, L. I. (2006) Geographic variation in the isotopic (dD, d13C, d15N, d34S) composition of feathers and claws from lesser scaup and northern pintail: implications for studies of migratory connectivity. Canadian Journal of Zoology 84 1395--1401.

Ehleringer, J. R. et al. (2008) Hydrogen and oxygen isotope ratios in human hair are related to geography. Proceedings of the National Academy of Sciences 105 2788--2793.

Hobson, K. A., Bowen, G. J., Wassenaar, L. I., Ferrand, Y. and Lormee, H. (2004) Using stable hydrogen and oxygen isotope measurements of feathers to infer geographical origins of migrating European birds. Oecologia 141 477--488.

Hobson, K. A. and Koehler, G. (2015) On the use of stable oxygen isotope (d18O) measurements for tracking avian movements in North America. Ecology and Evolution 5 799--806.

Hobson, K. A., Van Wilgenburg, S. L., Wassenaar, L. I. and Larson, K. (2012) Linking hydrogen (d2H) isotopes in feathers and precipitation: sources of variance and consequences for assignment to isoscapes. PLoS ONE 7 e35137.

Hobson, K. A. and Wassenaar, L. I. (1997) Linking breeding and wintering grounds of neotropical migrant songbirds using stable hydrogen isotopic analysis of feathers. Oecologia 109 142--148.

Hobson, K. A., Wassenaar, L. I. and Taylor, O. R. (1999) Stable isotopes (dD and d13C) are geographic indicators of natal origins of monarch butterflies in eastern North America. Oecologia 120 397--404.

Lott, C. A. and Smith, J. P. (2006) A geographic-information-system approach to estimating the origin of migratory raptors in North America using stable hydrogen isotope ratios in feathers. The Auk 123 822--835.

Thompson, A. H. et al. (2010) Stable isotope analysis of modern human hair collected from Asia (China, India, Mongolia and Pakistan). American Journal of Physical Anthropology 141 440--451.

Wunder, M.B., 2007. Geographic structure and dynamics in Mountain Plover. Doctoral dissertation, Colorado State University.

See Also

subOrigData

Examples

Run this code
# NOT RUN {
data("knownOrig")
class(knownOrig)
summary(knownOrig@data)
# }

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