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Electronic Supplementary Material Ongoing invasions of the African clawed frog, Xenopus laevis - a global review G. J. Measey

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Electronic Supplementary Material

Ongoing invasions of the African clawed frog, Xenopus laevis - a global review

G. J. Measey1*, D. Rödder2, S. L. Green3, R. Kobayashi4, F. Lillo5, G. Lobos6, R.

Rebelo7 & J.-M. Thirion8

1School of Environmental Sciences and Development, North-West University, Private Bag X6001, Potchefstroom 2520, South Africa. e-mail: john@measey.com

2Zoologisches Forschungsmuseum Alexander Koenig (ZFMK), Section of Herpetology, Adenauerallee 160, D-53113 Bonn, Germany. e-mail:

d.roedder.zfmk@uni-bonn.de

3Department of Comparative Medicine, School of Medicine, Stanford University, Stanford, California, USA. e-mail: sherril@stanford.edu

4Center for Toki and Ecological Restoration (CTER), Niigata University, 1101-1 Niibo-katagami, Sado-City, Niigata, 952-0103, Japan e-mail: raita@cc.niigata-u.ac.jp

5Dipartimento di Biologia Ambientale e Biodiveristà, Universita` di Palermo, Via Archirafi 18, 90123 Palermo, Italy e-mail: francesco.lillo@gmail.com

6Centro de Vida Silvestre, Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Casilla 2, Correo 15, La Granja, Santiago, Chile e-mail:

galobos@ug.uchile.cl

7Centro de Biologia Ambiental and Departamento de Biologia Animal, Faculdade de Ciencias da Universidade de Lisboa, Campo Grande, 1749-016 Lisbon, Portugal e- mail: rmrebelo@fc.ul.pt

8Association Objectifs BIOdiversitéS (OBIOS), 22 rue du docteur Gilbert; 17250 - Pont-l'abbé-d'Arnoult, France. e-mail: thirion.jean-marc@sfr.fr

*Corresponding author: tel: +27 21 799 8860 fax: +27 21 797 6570 email: john@measey.com

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Predicted distribution of Xenopus laevis with a spatial resolution of 2.5 arcmin from a Maxent model (see article text for details). Warmer colours indicate higher climatic suitability. Suitable climatic areas above the minimum training presence logistic threshold are indicated in light downward diagonal fill, wherein those optimal areas above the 10 % training omission threshold are indicated in dark downward diagonal fill. Areas with bioclimatic conditions exceeding those in the training areas requiring model extrapolation are indicated as crosshatched.

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Legend

invasive native

Extrapolation (MESS)

Maxent score High : 0.92 Low : 0.00

Thresholds

> min train presence

> 10% train omission

(4)

Legend

invasive native

Extrapolation (MESS)

Maxent score High : 0.92 Low : 0.00

Thresholds

> min train presence

> 10% train omission

(5)

Legend

invasive native

Extrapolation (MESS)

Maxent score High : 0.92 Low : 0.00

Thresholds

> min train presence

> 10% train omission

(6)

Legend

invasive native

Extrapolation (MESS)

Maxent score High : 0.92 Low : 0.00

Thresholds

> min train presence

> 10% train omission

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