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Effects of livestock grazing and habitat characteristics on small mammal communities in the Knersvlakte, South Africa

Titelangaben

Bösing, Britta M. ; Haarmeyer, Daniela H. ; Dengler, Jürgen ; Ganzhorn, Jörg U. ; Schmiedel, Ute:
Effects of livestock grazing and habitat characteristics on small mammal communities in the Knersvlakte, South Africa.
In: Journal of Arid Environments. Bd. 104 (Mai 2014) . - S. 124-131.
ISSN 0140-1963
DOI: https://doi.org/10.1016/j.jaridenv.2014.02.011

Abstract

We studied the influence of different livestock grazing intensities and habitat types on small mammals inthe Knersvlakte, South Africa. The Knersvlakte belongs to the Succulent Karoo Biome, a biodiversityhotspot. We placed a total of 22 plots in areas of two grazing intensities (moderate and intensive) andtwo major habitat types (quartz fields and loamy soils). On these plots, we carried out small-mammal livetrapping (90 traps during four nights) and estimated the cover of different vegetation layers. In total, 140small mammal individuals from ten species were caught during 7920 trap nights. All species occurred onloamy soils, but only four in quartz fields. The small-mammal community on intensively-grazed plotswas a subset of that on moderately-grazed plots. The most abundant species on loamy soils wereMacroscelides proboscideus and Rhabdomys pumilio and in quartz fields M. proboscideus and Gerbilluruspaeba. Generalised linear models revealed that habitat type had the strongest influence on abundanceand diversity of small mammals. Vegetation cover mainly had indirect influences, via the habitat type, onabundance, diversity and the body condition of small mammals. Overall, the intensities of livestockgrazing showed no effect on abundance and diversity.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Zusätzliche Informationen: BAYCEER121463
Institutionen der Universität: Forschungseinrichtungen > Forschungszentren > Bayreuther Zentrum für Ökologie und Umweltforschung - BayCEER
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Professur Störungsökologie
Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften
Forschungseinrichtungen
Forschungseinrichtungen > Forschungszentren
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik
Eingestellt am: 12 Mai 2015 06:11
Letzte Änderung: 12 Mai 2015 06:11
URI: https://eref.uni-bayreuth.de/id/eprint/13323