Research department Landscape

Section Genetic Ecology

Virtual tour to the Scheidegger DNA lab

Current Research Activity

PostDoc at the University of California at Los Angeles in the Dept. of Ecology & Evolutionary Biology in Prof. Victoria Sork's lab starging in November 2005. Project title: Comparative phylogeography of a lichen, its photobiont and its major carrier tree species. Read the abstract

Scientific Interests

Genetic diversity and gene flow across landscapes
Spatial genetic structure
Phylogeography
Community ecology
Lichenology

Publications as first author

Werth, S., F. Gugerli, R. Holderegger, H. H. Wagner, and C. Scheidegger. In prep. Landscape genetics of the lichen epiphyte Lobaria pulmonaria. Read the abstract.

Werth, S., H. H. Wagner, R. Holderegger, J. M. Kalwij, and C. Scheidegger. Submitted. Effect of stand-replacing disturbances on the genetic diversity of an old-forest associated lichen. Read the abstract.

Werth, S., H. H. Wagner, F. Gugerli, R. Holderegger, D. Csencsics, J. M. Kalwij, and C. Scheidegger. Submitted. Quantification of local and landscape-level dispersal of a lichen epiphyte indicates higher establishment limitation than dispersal limitation. Read the abstract.

Werth, S., H. Tømmervik, and A. Elvebakk. 2005. Epiphytic macrolichen communities along regional gradients in northern Norway. Journal of Vegetation Science 16:199-208. Read the abstract

Werth, S. 2005. Dispersal and persistence of an epiphytic lichen in a dynamic pasture-woodland landscape. PhD thesis, University of Berne, Berne.

Werth S. 2001: Key factors for epiphytic macrolichen vegetatation in deciduous forests of Troms county, northern Norway: Human impact, substrate, climate or spatial variation? Master thesis, University of Tromsø, Tromsø .

Coauthorships

Wagner, H. H., R. Holderegger, S. Werth, F. Gugerli, S. E. Hoebee, and C. Scheidegger. 2005. Variogram analysis of the spatial genetic structure of continuous populations using multilocus microsatellite data. Genetics 169:1739-1752. Read the abstract

Wagner, H. H., S. Werth, J. M. Kalwij, and C. Scheidegger. In revision. Landscape genetic modeling of forest recolonization by an epiphytic lichen. Landscape Ecology.Read the abstract.

Werth, H., S. Werth und W. Funke, 1998: Die Sukzession von Tiergesellschaften auf Fichtensturmwurfflächen. 5.9 Vögel: 321 - 329. In: Fischer, A. (Hrsg.): Die Entwicklung von Wald-Biozönosen nach Sturmwurf. Ecomed.

Silke's pages

Curriculum Vitae

Winter field work pictures

Lichen picture gallery

Arctic picture gallery

Northern lights picture gallery

Tipps and tricks

Silke's haploid data analysis with R

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