<P> Werth, S. & C. Scheidegger (2003): What drives genetic diversity in 
        local populations of an epiphytic lichen? Poster presentation at GfOe 
        (Ecological Society of Europe), Halle, Germany, September 2003. <br>
        <br>
        Werth, S., Tømmervik, H. & A. Elvebakk (2002): Does human impact influence 
        the species composition of epiphytic macrolichen communities? Poster presentation 
        at the IMC7 (Seventh International Mycological Congress), Oslo, Norway, 
        August 2002. <br>
        <br>
        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, December 
        2001. <br>
        <br>
        Werth, S., Elvebakk, A., Tømmervik, H. & C. Abs (2001): Are epiphytic 
        macrolichens faithful indicators of hemeroby in deciduous forests? Poster 
        presentation at IAVS symposium (International Association of Vegetation 
        Science), Freising, Germany, August 2001. <br>
        <br>
        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.<br>
      </P>