Trees in a grazing landscape: vegetation patterns in sheep-grazing agro-ecosystems in Southern Queensland

Le Brocque, Andrew F. and Cockfield, Geoff and Goodhew, Kellie A. (2006) Trees in a grazing landscape: vegetation patterns in sheep-grazing agro-ecosystems in Southern Queensland. In: Ecology Across the Tasman: 3rd Joint Conference of the New Zealand Ecological Society and the Ecological Society of Australia, 28 Aug - 1 Sep 2006, Wellington, New Zealand.


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The modification of natural woodland tree densities through tree removal or clearing has been used by landholders to increase native grass production for livestock grazing. This paper describes studies that aim to determine if vegetation management by graziers affect floristic composition, species richness and plant cover (including production attributes) in the Traprock wool-producing region of southern Queensland, Forty-seven sites were sampled across the study area according to vegetation type (ironbark/gum woodland and box woodland), density of mature trees (low: 6 trees/ha, medium: 6-20 trees/ha, and high >20 trees/ha), and the presence or absence of woody regrowth in the understorey to determine vegetation patterns, A subset of 18 sites was selected to establish grazing exclusion experiments in both vegetation types under varying mature tree densities. This paper describes the general patterns in vegetation under differing mature tree densities and provides preliminary results of the 12-month grazing exclusion experiments.

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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Poster)
Refereed: No
Item Status: Live Archive
Additional Information: Poster presentation. Abstract only available. No evidence of copyright restrictions on web site.
Faculty / Department / School: Historic - Faculty of Sciences - Department of Biological and Physical Sciences
Date Deposited: 11 Oct 2007 00:47
Last Modified: 02 Jul 2013 22:38
Uncontrolled Keywords: vegetation patterns, sheep-grazing agro-ecosystems, sheep, grazing, agro-ecosystems, trees, vegetation management, graziers, Southern Queensland
Fields of Research : 05 Environmental Sciences > 0501 Ecological Applications > 050104 Landscape Ecology

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