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Influence of land sharing and land sparing strategies on patterns of vegetation and terrestrial vertebrate richness and occurrence in Australian endangered eucalypt woodlands

Michael, Damian R.; Wood, Jeff T.; O’Loughlin, Thea; Lindenmayer, David B

Description

Native vegetation placed under an agri-environment scheme (AES) is purported to support greater biodiversity than vegetation managed for intensive livestock grazing, and conservation reserves are purported to support greater biodiversity than land sharing under AES. These predictions underpin financial incentive delivery programs that enable landholders to adopt environmentally friendly agricultural practices. To evaluate these predictions, we established a biodiversity monitoring program in...[Show more]

dc.contributor.authorMichael, Damian R.
dc.contributor.authorWood, Jeff T.
dc.contributor.authorO’Loughlin, Thea
dc.contributor.authorLindenmayer, David B
dc.date.accessioned2016-09-22T06:12:37Z
dc.date.available2016-09-22T06:12:37Z
dc.identifier.issn0167-8809
dc.identifier.urihttp://hdl.handle.net/1885/108950
dc.description.abstractNative vegetation placed under an agri-environment scheme (AES) is purported to support greater biodiversity than vegetation managed for intensive livestock grazing, and conservation reserves are purported to support greater biodiversity than land sharing under AES. These predictions underpin financial incentive delivery programs that enable landholders to adopt environmentally friendly agricultural practices. To evaluate these predictions, we established a biodiversity monitoring program in endangered temperate eucalypt woodland communities in southern Australia. We compared vegetation variables and vertebrate species richness and abundance among sites under different land management between 2010 and 2014. Our sites included: (1) woodland remnants on private property recently placed under an AES land management agreement (land sharing), (2) woodland remnants in State conservation reserves as reference areas (land sparing), and (3) woodland remnants used for intensive livestock production as controls. We used hierarchical generalized linear models to examine patterns of biodiversity among management classes and over time. We found conservation reserves were structurally more complex and floristically richer compared to production sites, and AES supported greater cover of native perennial grass. Reptile and amphibian species richness and abundance, and total bird species richness did not differ significantly among management classes, although AES and reference sites supported more birds of conservation concern. Arboreal marsupials were significantly more species rich in conservation reserves than AES. Temporal patterns in vertebrate species richness were related to post-drought climatic conditions. Our findings suggest that strategies involving land sharing under AES are as effective as land sparing (e.g. conservation reserves) for bird conservation, but alternative strategies may be required to enhance habitat for less mobile species such as frogs and reptiles, or species dependant on old growth vegetation such as arboreal marsupials.
dc.description.sponsorshipThis study was funded by the North East and Goulburn Broken Catchment Management Authorities, the Australian Research Council and the Australian Government’s Caring for our Country initiative.
dc.language.isoen_AU
dc.publisherElsevier
dc.rights© 2016 Elsevier B.V
dc.sourceAgriculture, Ecosystems & Environment
dc.subjectAgricultural landscape
dc.subjectArboreal marsupials
dc.subjectBirds
dc.subjectManagement intervention
dc.subjectReptiles
dc.subjectTemperate woodland
dc.titleInfluence of land sharing and land sparing strategies on patterns of vegetation and terrestrial vertebrate richness and occurrence in Australian endangered eucalypt woodlands
dc.typeJournal article
local.identifier.citationvolume227
dc.date.issued2016-07-01
local.publisher.urlhttp://www.elsevier.com/
local.type.statusPublished Version
local.contributor.affiliationMichael, D. R., Fenner School of Environment and Society, The Australian National University
local.contributor.affiliationWood, J. T., Fenner School of Environment and Society, The Australian National University
local.contributor.affiliationO’Loughlin, T., Fenner School of Environment and Society, The Australian National University
local.contributor.affiliationLindenmayer, D. B., Fenner School of Environment and Society, The Australian National University
local.bibliographicCitation.startpage24
local.bibliographicCitation.lastpage32
local.identifier.doi10.1016/j.agee.2016.05.001
CollectionsANU Research Publications

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