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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

Search results

Showing 1 to 9 of 9 (0.034 seconds)

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1

Function and composition of the soil microbial community in calcareous grassland exposed to elevated atmospheric carbon dioxide

Ebersberger, Diana. January 1900 (has links) (PDF)
Hohenheim, University, Diss., 2003.
Festuco-Brometea
2

On the vegetation history of calcareous grasslands in the Franconian Jura (Germany) since the Bronze Age /

Baumann, Andre. January 2006 (has links)
Zugl.: Regensburg, Univ., Diss., 2006.
3

Naturschutzfachliche Bedeutung von Modellen der Inselökologie für Invertebraten und Gefässpflanzen auf Kalkmagerrasen in Süddeutschland /

Sachteleben, Jens. January 2000 (has links) (PDF)
Univ., Diss--Marburg, 1999. / Literaturverz. S. 161.
4

Studien zur jüngeren Vegetationsentwicklung der "Beurener Heide" bei Hechingen

Schlee, Matthias. January 2003 (has links)
Tübingen, Univ., Diplomarb., 1999.
5

Biologische Bodenaktivität, Kohlenstoffumsatz und Nährstoffversorgung auf Magerrasen-Standorten unterschiedlicher Produktivität : mit 40 Tabellen /

Ogermann, Petra. January 1999 (has links)
Universiẗat, Diss., 1998--Basel.
6

Auswirkungen der globalen Erwärmung auf die Vegetation alpiner Kalk-Magerrasen im Nationalpark Berchtesgaden

Kudernatsch, Thomas. Unknown Date (has links)
Techn. Universiẗat, Diss., 2005--München.
7

Einfluss von Wiederbewaldungsvorgängen in Kalkmagerrasen auf die floristische Artenvielfalt und Möglichkeiten der Steuerung durch Pflegemassnahmen : mit ... Tabellen im Text /

Hakes, Wilfried. January 1987 (has links) (PDF)
Zugl.: Kassel, Gesamthochsch., Diss., 1987.
8

Naturschutzfachliche Bedeutung von Modellen der Inselökologie für Invertebraten und Gefässpflanzen auf Kalkmagerrasen in Süddeutschland /

Sachteleben, Jens. January 1900 (has links)
Thesis (doctoral)--Philipps-Universität Marburg, 1999. / Includes bibliographical references (p. 161-174).
9

Vliv prasete divokého na vegetaci semixerotermních trávníků / Effect of wild boar on dry grasslands

Horčičková, Eva January 2010 (has links)
The study was focused on disturbances by wild boar (Sus scrofa) and their impact on vegetation of semi-dry grasslands (Festuco-Brometea) dominated by Brachypodium pinnatum. The research was conducted in military area Hradiště in hilly region of the Doupovské hory. Wild boar rooting activities is main source of disturbances regime in this abandoned, previously agricultural area. The vegetation of artificial small scale soil disturbances was compared to undisturbed control plots and vegetation of natural disturbances by wild boar. Experimental plots were established during the summer 2007. Consequently a vegetation survey of these plots was carried out and soil was mechanically disturbed. Succession on disturbances was annually monitored. The surrounding natural disturbances were also mapped three times a year as a potential source of diaspores and to assess their frequency and effect on the landscape level. The list of species in the 2m, 4m and 16m distance from the experimental plot was also made. Results: Disturbances by wild boar increased species diversity and spatial heterogeneity of semi-dry grasslands. There were some species found on experimental plot, which were present not in the surrounding matrix. Most of them belong to hemicryptophytes and species with long-term persistent diaspores. Presence of...

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