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The response of ground and bark foraging insectivorous birds across an urban–forest gradient
journal contribution
posted on 2009-11-30, 00:00 authored by S Trollope, John WhiteJohn White, Raylene CookeRaylene CookeThis paper assesses the response of four common species of forest dependant insectivorous birds to an urban–forest gradient. The presence or absence was recorded for each species in landscapes that varied in landscape and site level attributes. Landscapes were classified into three categories based on their level of urbanisation. Broad comparisons across the landscapes were used to determine species specific response to increasing levels of urbanisation. Site level attributes were modelled to predict the patch occupancy for each species in each of the landscape types. Two broad trends were identified: the superb fairy wren (Malurus cyaneus) and white-browed scrubwren (Sericornis frontalis) displayed a tolerance to urbanisation and the eastern yellowrobin (Eosaltrica australis) and white throated treecreeper (Cormobates leucophaeus) demonstrated a threshold response to urbanisation. The density of roads (−ve) and the extent of tree cover (+ve) in a landscape were highly correlated with the occurrence of urban sensitive species while at the site level the density of roads and density of rivers were the strongest contributors to their presence. The marked differences in the isolation and connectivity of patches where the threshold for urban sensitive species ceases are the likely contributors to their decline and sensitivity to suburban habitats. Conservation and management of urban sensitive species is largely dependant on the way urban development is managed. Of critical importance is careful planning in urban-fringe environments.
History
Journal
Landscape and urban planningVolume
93Issue
2Pagination
142 - 150Publisher
Elsevier BVLocation
Amsterdam, NetherlandsPublisher DOI
ISSN
0169-2046eISSN
1872-6062Language
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2009, Elsevier B.V.Usage metrics
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habitat fragmentationconnectivityisolationroadslandscapeScience & TechnologySocial SciencesLife Sciences & BiomedicinePhysical SciencesEcologyEnvironmental StudiesGeographyGeography, PhysicalRegional & Urban PlanningUrban StudiesEnvironmental Sciences & EcologyPhysical GeographyPublic AdministrationWHITE-BROWED SCRUBWRENSUPERB FAIRY-WRENREPRODUCTIVE SUCCESSSCLEROPHYLL FORESTCONSERVING BIRDSHOUSING DENSITYRURAL GRADIENTCOMMUNITIES
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