Conservation Genetics

, Volume 15, Issue 1, pp 11–21 | Cite as

Environmental niche factor analysis (ENFA) relates environmental parameters to abundance and genetic diversity in an endangered amphibian, the fire-bellied-toad (Bombina bombina)

  • N. Dolgener
  • L. Freudenberger
  • M. Schluck
  • N. Schneeweiss
  • P. L. Ibisch
  • Ralph Tiedemann
Research Article

Abstract

Increasing attempts are made to understand the factors responsible for both the demographic and genetic depletion in amphibian populations. Landscape genetics aims at a spatially explicit correlation of genetic population parameters to landscape features. Using data from the endangered fire-bellied toad Bombina bombina in Brandenburg (Northeastern Germany), we performed an environmental niche factor analysis (ENFA), relating demographic (abundance) and genetic (diversity at 17 microsatellite loci and partial sequences of the mitochondrial control region in 434 individuals from 16 populations) parameters to ecological and anthropogenic variables such as temperature, precipitation, soil wetness, water runoff, vegetation density, and road/traffic impact. We found significant correlations between road disturbance and observed heterozygosity and between soil wetness and mitochondrial diversity. As the influences of the environmental variables can differ between different indicators for genetic diversity, population size and abundance data, our ENFA-based landscape genetics approach allows us to put various aspects of long- versus short term effective population size and genetic connectivity into an ecological and spatially explicit context, enabling potentially even forecast assessment under future environmental scenarios.

Keywords

Distribution modelling ENFA Genetic diversity Fire-bellied toad Landscape genetics Road disturbance 

Supplementary material

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Supplementary material 1 (DOCX 18 kb)
10592_2013_517_MOESM2_ESM.docx (17 kb)
Supplementary material 2 (DOCX 16 kb)
10592_2013_517_MOESM3_ESM.docx (151 kb)
Supplementary material 3 (DOCX 150 kb)

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • N. Dolgener
    • 1
  • L. Freudenberger
    • 2
  • M. Schluck
    • 2
  • N. Schneeweiss
    • 3
  • P. L. Ibisch
    • 2
  • Ralph Tiedemann
    • 1
  1. 1.Unit of Evolutionary Biology/Systematic Zoology, Institute of Biochemistry and BiologyUniversity of PotsdamPotsdamGermany
  2. 2.Centre for Econics and Ecosystem Management, Faculty of Forest and EnvironmentUniversity for Sustainable Development EberswaldeEberswaldeGermany
  3. 3.Landesamt für Umwelt, Gesundheit und VerbraucherschutzNaturschutzstation RhinluchLinumGermany

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