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Behavioural flexibility in foraging mode of the spotted sand lizard (Pedioplanis l. lineoocellata) seems to buffer negative impacts of savanna degradation

  • In this field experiment we investigate the impact of land use induced savanna degradation on movement behaviour of the spotted sand lizard (Pedioplanis l. lineoocellata) in the southern Kalahari. Foraging behaviour of lizards was tested in a factorial design (low vs. high prey availability) in degraded and non-degraded habitats. An interaction between habitat structure and prey availability affected movement behaviour. In degraded habitats with low prey availability and in non-degraded habitats with high prey availability the spotted sand lizard moved more like an active forager. In contrast, in degraded habitats with high prey availability and in non-degraded habitats with low prey availability lizards moved like sit-and-wait foragers. Interestingly, the behavioural flexibility of the spotted sand lizard seems to buffer extreme conditions and negative effects of land use impacts.

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Metadaten
Author:J. Blumroeder, Jana Anja EccardORCiDGND, Niels Blaum
DOI:https://doi.org/10.1016/j.jaridenv.2011.10.005
ISSN:0140-1963 (print)
Parent Title (English):Journal of arid environments
Publisher:Elsevier
Place of publication:London
Document Type:Article
Language:English
Year of first Publication:2012
Year of Completion:2012
Release Date:2017/03/26
Tag:Kalahari; Land use; Movement ecology; Overgrazing; Shrub encroachment
Volume:77
Issue:2
Pagenumber:4
First Page:149
Last Page:152
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Biochemie und Biologie
Peer Review:Referiert