An Empirical Evaluation of the Utility of Convex Hull and Standard Ellipse Areas for Assessing Population Niche Widths from Stable Isotope Data

Jari Syväranta; Anssi Lensu; Timo J. Marjomäki; Sari Oksanen; Roger I. Jones

doi:10.1371/journal.pone.0056094

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Peer-reviewed

Research Article

An Empirical Evaluation of the Utility of Convex Hull and Standard Ellipse Areas for Assessing Population Niche Widths from Stable Isotope Data

Jari Syväranta ,

* E-mail: jari.syvaranta@jyu.fi

Affiliation Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland
⨯
Anssi Lensu,

Affiliation Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland
⨯
Timo J. Marjomäki,

Affiliation Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland
⨯
Sari Oksanen,

Affiliation Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland
⨯
Roger I. Jones

Affiliation Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland
⨯

An Empirical Evaluation of the Utility of Convex Hull and Standard Ellipse Areas for Assessing Population Niche Widths from Stable Isotope Data

Jari Syväranta,
Anssi Lensu,
Timo J. Marjomäki,
Sari Oksanen,
Roger I. Jones

Published: February 6, 2013
https://doi.org/10.1371/journal.pone.0056094

About the Authors

Jari Syväranta

* E-mail: jari.syvaranta@jyu.fi

Affiliation Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland

Anssi Lensu

Affiliation Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland

Timo J. Marjomäki

Affiliation Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland

Sari Oksanen

Affiliation Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland

Roger I. Jones

Affiliation Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JS AL TJM SO RIJ. Performed the experiments: JS AL TJM. Analyzed the data: JS AL TJM. Contributed reagents/materials/analysis tools: JS RIJ. Wrote the paper: JS AL TJM SO RIJ.

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Ecological niches
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Isotopes
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Stable isotopes
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Normal distribution
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Statistical distributions
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Simulation and modeling
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Ellipses
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Lakes
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