Effects of time since fire on frog occurrence are altered by isolation, vegetation and fire frequency gradients

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dc.contributor.authorWestgate, Martin
dc.contributor.authorMacGregor, Chris
dc.contributor.authorScheele, Benjamin
dc.contributor.authorDriscoll, Don
dc.contributor.authorLindenmayer, David B
dc.date.accessioned2020-05-12T04:04:13Z
dc.date.issued2018
dc.date.updated2019-12-01T07:16:08Z
dc.description.abstractAim: To quantify how frogs in terrestrial environments respond to recurrent fire, and to what extent this is mediated by isolation from breeding sites or vegetation structure.Location: Jervis Bay, south- eastern Australia.Methods: We used data from 8 years of pitfall trapping, collected via a random strati-fied design, to quantify frog occurrence at 110 locations. We then used an information theoretic approach to compare 13 logistic generalized linear mixed models, each of which related frog occurrence to a distinct combination of additive and interactive ef-fects of fire, vegetation structure and proximity to known breeding sites.Results: For all four species, the effect of one or more fire variables on frog occurrence depended on both the density of breeding sites in the surrounding area, or on the vegetation structure at the trap locality. A classic “fire averse” response of initial de-clines followed by post- fire recovery did occur, but only in frequently burned, low- quality terrestrial habitats (i.e., heath vegetation for Uperoleia tyleri, or locations with few available breeding sites for the remaining species), or in some cases, when suitable habitats were infrequently burned. However, a “fire- dependent” result of negative ef-fects of time since fire was also evident for some species and contexts.Main conclusions: The effect of fire on frog occurrence can be mediated by environ-ment. Therefore, a single species could be identified as either “fire dependent” or “fire averse” depending on the combination of isolation, vegetation types and fire histories in the study region. Failure to account for the context specificity of fire response curves could lead to incomplete conclusions regarding the effect of time since fire—or the cumulative impacts of multiple fires—on faunal assemblages.
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn1366-9516en_AU
dc.identifier.urihttp://hdl.handle.net/1885/204052
dc.language.isoen_AUen_AU
dc.publisherBlackwell Publishing Ltden_AU
dc.rights© 2017 John Wiley & Sons Ltden_AU
dc.sourceDiversity and Distributionsen_AU
dc.titleEffects of time since fire on frog occurrence are altered by isolation, vegetation and fire frequency gradientsen_AU
dc.typeJournal articleen_AU
local.bibliographicCitation.issue1en_AU
local.bibliographicCitation.lastpage91en_AU
local.bibliographicCitation.startpage82en_AU
local.contributor.affiliationWestgate, Martin, College of Science, ANUen_AU
local.contributor.affiliationMacGregor, Chris, College of Science, ANUen_AU
local.contributor.affiliationScheele, Ben, College of Science, ANUen_AU
local.contributor.affiliationDriscoll, Don, College of Science, ANUen_AU
local.contributor.affiliationLindenmayer, David, College of Science, ANUen_AU
local.contributor.authoremailu4379259@anu.edu.auen_AU
local.contributor.authoruidWestgate, Martin, u4379259en_AU
local.contributor.authoruidMacGregor, Chris, u9605383en_AU
local.contributor.authoruidScheele, Ben, u4408124en_AU
local.contributor.authoruidDriscoll, Don, u3508571en_AU
local.contributor.authoruidLindenmayer, David, u8808483en_AU
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.identifier.absfor050104 - Landscape Ecologyen_AU
local.identifier.absseo960806 - Forest and Woodlands Flora, Fauna and Biodiversityen_AU
local.identifier.ariespublicationa383154xPUB8845en_AU
local.identifier.citationvolume24en_AU
local.identifier.doi10.1111/ddi.12659en_AU
local.identifier.scopusID2-s2.0-85037556950
local.identifier.uidSubmittedBya383154en_AU
local.publisher.urlhttps://www.wiley.com/en-gben_AU
local.type.statusPublished Versionen_AU

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