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					                      Wintersemester 2009/2010
Gebäude GEO I
     Hörsaal H6
                      BayCEER Kolloquium
                      Vortragsreihe Ökologie und Umweltforschung

                      Donnerstag 19.11.2009, 16:15 Uhr, H6
                      Anschließend Postkolloquium mit Bier und Brezeln im Foyer H6

                               Dr. Henrik von Wehrden
                           Universität Halle-Wittenberg, Institut für Biologie

                              Conservation of a vast arid
                           ecosystem - Habitat mapping and
                            modelling in southern Mongolia
                      The southern Mongolian Gobi contains 5 large protected areas, which
                      cover some 100000 km2. Several endangered species are found within
                      this arid ecosystem, yet our knowledge regarding the ecology of these
                      environments and the distribution of its species is quite coarse.
                      We therefore started a multiscaled approach to gain sound spatial
                      knowledge about plant species and vegetation types. Based on the
                      plant species data biogeographical patterns were analysed and related
                      to environmental characteristics. Vegetation maps of all protected areas
                      were processed based on Landsat data; additionally an analysis of soil
                      and rainfall patterns as well as plant productivity was performed in
Die Vortragsreihe     order to understand the ecological characteristics and interactions of
           ist eine   this highly variable ecosystem. Productivity patterns were related to
                      livestock numbers in order to quantify the effect of extreme events (both
     Plattform zur
 Information und      droughts and extensive snowfalls).
    Diskussion für    The derived datasets and results were combined with ARCOR-collar
 Forschende und
                      points of both Wild horses (Equus przewalskii) and Asiatic Wild Asses
         Lehrende     (Equus hemionus) to understand the habitat use of these two equids on
                      a landscape level. In a final step we used the results gained within
                      Central Asia to review non-equilibrium dynamics within rangelands on a
            Gäste     global scale.
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