A unified approach to analysis of body condition in green toads

Lukas Landler; Stephan Burgstaller; Magdalena Spießberger; Andras Horvath; Zhivko Zhelev; Ivelin Mollov; Ulrich Sinsch; Johannes Nepita; Florian Schwabel; Wolfgang Kuhn; Christian Köbele; Heinz Sedlmeier; Cornelia Amon; Joanna Mazgajska; Tomasz Mazgajski; Amir Sistani; Rieke Schluckebier; Eberhard Andrä; Moritz Ott; Günter Gollmann

doi:10.3390/d15010043

A unified approach to analysis of body condition in green toads

Lukas Landler, Stephan Burgstaller, Magdalena Spießberger, Andras Horvath, Zhivko Zhelev, Ivelin Mollov, Ulrich Sinsch, Johannes Nepita, Florian Schwabel, Wolfgang Kuhn, Christian Köbele, Heinz Sedlmeier, Cornelia Amon, Joanna Mazgajska, Tomasz Mazgajski, Amir Sistani, Rieke Schluckebier, Eberhard Andrä, Moritz Ott, Günter Gollmann

Department für Evolutionsbiologie

Veröffentlichungen: Beitrag in Fachzeitschrift › Artikel › Peer Reviewed

Abstract

Body condition is increasingly used to assess the status of populations and as a proxy for individual fitness. A common, quick and non-invasive approach is to estimate condition from the relation between body length and mass. Among the methods developed for this purpose, the Scaled Mass Index (SMI) appears best suited for comparisons among populations. We assembled data from 17 populations of European green toads (Bufotes viridis) with the aim of devising a standard formula applicable for monitoring this species. The mean value of the exponents describing length–mass allometry in these samples was 3.0047. Hence, we propose using 3 as a scaling coefficient for calculating the SMI in green toads. From the contrast of SMI values for both sexes within populations, estimated with either the population-specific or the standard coefficient, we conclude that applying the standard formula not only facilitates comparisons among populations but may also help to avoid misinterpretation of variation within populations.

Originalsprache	Englisch
Aufsatznummer	43
Seitenumfang	8
Fachzeitschrift	Diversity
Jahrgang	15
Ausgabenummer	1
DOIs	https://doi.org/10.3390/d15010043
Publikationsstatus	Veröffentlicht - Jan. 2023

ÖFOS 2012

106047 Tierökologie

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10.3390/d15010043Lizenz: CC BY 4.0

https://phaidra.univie.ac.at/o:1639063Lizenz: CC BY 4.0

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Zitationsweisen

Landler, L., Burgstaller, S., Spießberger, M., Horvath, A., Zhelev, Z., Mollov, I., Sinsch, U., Nepita, J., Schwabel, F., Kuhn, W., Köbele, C., Sedlmeier, H., Amon, C., Mazgajska, J., Mazgajski, T., Sistani, A., Schluckebier, R., Andrä, E., Ott, M., & Gollmann, G. (2023). A unified approach to analysis of body condition in green toads. Diversity, 15(1), Artikel 43. https://doi.org/10.3390/d15010043

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abstract = "Body condition is increasingly used to assess the status of populations and as a proxy for individual fitness. A common, quick and non-invasive approach is to estimate condition from the relation between body length and mass. Among the methods developed for this purpose, the Scaled Mass Index (SMI) appears best suited for comparisons among populations. We assembled data from 17 populations of European green toads (Bufotes viridis) with the aim of devising a standard formula applicable for monitoring this species. The mean value of the exponents describing length–mass allometry in these samples was 3.0047. Hence, we propose using 3 as a scaling coefficient for calculating the SMI in green toads. From the contrast of SMI values for both sexes within populations, estimated with either the population-specific or the standard coefficient, we conclude that applying the standard formula not only facilitates comparisons among populations but may also help to avoid misinterpretation of variation within populations.",

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Landler, L, Burgstaller, S, Spießberger, M, Horvath, A, Zhelev, Z, Mollov, I, Sinsch, U, Nepita, J, Schwabel, F, Kuhn, W, Köbele, C, Sedlmeier, H, Amon, C, Mazgajska, J, Mazgajski, T, Sistani, A, Schluckebier, R, Andrä, E, Ott, M & Gollmann, G 2023, 'A unified approach to analysis of body condition in green toads', Diversity, Jg. 15, Nr. 1, 43. https://doi.org/10.3390/d15010043

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AU - Landler, Lukas

AU - Burgstaller, Stephan

AU - Spießberger, Magdalena

AU - Horvath, Andras

AU - Zhelev, Zhivko

AU - Mollov, Ivelin

AU - Sinsch, Ulrich

AU - Nepita, Johannes

AU - Schwabel, Florian

AU - Kuhn, Wolfgang

AU - Köbele, Christian

AU - Sedlmeier, Heinz

AU - Amon, Cornelia

AU - Mazgajska, Joanna

AU - Mazgajski, Tomasz

AU - Sistani, Amir

AU - Schluckebier, Rieke

AU - Andrä, Eberhard

AU - Ott, Moritz

AU - Gollmann, Günter

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N2 - Body condition is increasingly used to assess the status of populations and as a proxy for individual fitness. A common, quick and non-invasive approach is to estimate condition from the relation between body length and mass. Among the methods developed for this purpose, the Scaled Mass Index (SMI) appears best suited for comparisons among populations. We assembled data from 17 populations of European green toads (Bufotes viridis) with the aim of devising a standard formula applicable for monitoring this species. The mean value of the exponents describing length–mass allometry in these samples was 3.0047. Hence, we propose using 3 as a scaling coefficient for calculating the SMI in green toads. From the contrast of SMI values for both sexes within populations, estimated with either the population-specific or the standard coefficient, we conclude that applying the standard formula not only facilitates comparisons among populations but may also help to avoid misinterpretation of variation within populations.

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A unified approach to analysis of body condition in green toads

Abstract

ÖFOS 2012

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