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University of Graz News Pflanzliche Partnerschaften

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Thursday, 08 August 2013

Pflanzliche Partnerschaften

Projektleiter Juri Nascimbene untersucht Flechten auf einem Baum. Helmut Mayerhofer vom Institut für Pflanzenwissenschaften der Uni Graz arbeitet ebenfalls an dem Forschungsvorhaben mit.

Projektleiter Juri Nascimbene untersucht Flechten auf einem Baum. Helmut Mayerhofer vom Institut für Pflanzenwissenschaften der Uni Graz arbeitet ebenfalls an dem Forschungsvorhaben mit. Foto: Pressedienst der Provinz Bozen.

Internationales Forschungsteam entdeckt neue Flechten auf Südtiroler Bäumen.

In den Wäldern Südtirols wachsen mehrere hundert Flechtenarten, einige davon sind vom Aussterben bedroht oder sehr selten. Im Rahmen eines Forschungsprojekts des Naturkundemuseums Südtirol untersuchen auch Wissenschafter der Uni Graz Population und Verbreitung der Organismen. Im Zuge dieser Arbeit fanden die ExpertInnen auch zahlreiche in der Region bzw. in Europa bis dato unbekannte Arten.

Flechten spielen eine bedeutende Rolle im Wasser- und Nahrungskreislauf des Ökosystems Wald und sind auch optimale Indikatoren für dessen Gesundheit. Sie reagieren nämlich äußerst sensibel auf menschliche Eingriffe in die Umwelt. Sie können daher unter anderem zur Messung der Luftverschmutzung herangezogen werden.

Die Flechten-ExpertInnen der Karl-Franzens-Universität erforschen seit den 1970er-Jahren vielfältige Aspekte der Organismen, besonders die Biodiversität, Biologie und Evolution dieser Lebensform.

mehr zur AG Lichenologie

created by Dagmar Eklaude

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When parents find it difficult to have a say

In her dissertation, translation scholar Marie Tschurtschenthaler examines how communication between compulsory schools and parents whose first language is not German works – and what role professional language mediation plays in this. Initial insights show that it is not just about language, but also about resources, responsibilities and the institutional framework.

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Titanium dioxide, which is found in cosmetics, for example, is increasingly entering the environment in the form of nanoparticles. This could also put insects at risk. If ants ingest the substance in combination with the pesticide glyphosate, it disturbs the development of their offspring. Scientists at the University of Graz are drawing attention to the negative consequences of this toxic cocktail.

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