![]() ![]() A&C Black, Londres-Inglaterra, pp 263–264 Juniper T, Parr M (1998) A guide to the parrots of the world. ![]() Janik VM, Slater PJB (2000) The different roles of social learning in vocal communication. Irwin DE (2000) Song variation in an avian ring species. International Union for Conservation of Nature, Gland International Union for Conservation of Nature (2012) IUCN Red List Categories and Criteria: Version 31, 2nd edn. PhD Thesis, Australian National University Igag P (2002) The conservation of large rainforest parrots: a study of the breeding biology of palm cockatoos, eclectus parrots and vulturina parrots. Hutchinson M, Stein J, Stein J (2009) GEODATA 9 second digital elevation model (DEM-9S) version 3. Hile AG, Plummer TK, Striedter GF (2000) Male vocal imitation produces call convergence during pair bonding in budgerigars, Melopsittacus undulatus. Higgins P (1999) Handbook of Australian, New Zealand and Antarctic birds. Heinsohn R, Zeriga T, Murphy S, Igag P, Legge S, Mack AL (2009) Do Palm Cockatoos ( Probosciger aterrimus) have long enough lifespans to support their low reproductive success? Emu 109:183–191 Goretskaia MI, Beme IR, Popova DV, Amos N, Buchanan KL, Sunnucks P, Pavlova A (2018) Song parameters of the fuscous honeyeater Lichenostomus fuscus correlate with habitat characteristics in fragmented landscapes. Biol Conserv 126:131–140įumagalli M, Vieira FG, Linderoth T, Nielsen R (2014) ngsTools: methods for population genetics analyses from next-generation sequencing data. J Comp Psychol 108:81įrankham R (2005) Genetics and extinction. Environmental Systems Research Institute, Redlandsįarabaugh SM, Linzenbold A, Dooling RJ (1994) Vocal plasticity in budgerigars ( Melopsittacus undulatus): evidence for social factors in the learning of contact calls. J Agric Biol Environ Stat 7:361ĮSRI (2011) ArcGIS Desktop: Release 10. Cornell Laboratory of Ornithology, IthacaĬlarke RT, Rothery P, Raybould AF (2002) Confidence limits for regression relationships between distance matrices: estimating gene flow with distance. Springer, New YorkĬharif R, Waack A, Strickman L (2008) Raven Pro 1.3 user’s manual. Auk 118:958–972īurnham KP, Anderson DR (2002) Model selection and multimodel inference: a practical information-theoretic approach, 2nd edn. Harvard University Press, Cambridgeīradbury JW, Cortopassi KA, Clemmons JR, Kroodsma D (2001) Geographical variation in the contact calls of orange-fronted parakeets. In: Dewaal FBMTP (ed) Animal social complexity: intelligence, culture and individualized societies. īradbury JW (2003) Vocal communication in parrots. īelsley DA, Kuh E, Welsch RE (1980) Regression diagnostics: identifying influential data and sources of collinearity. Auk 125:651–662īalkenhol N, Gugerli F, Cushman SA, Waits LP, Coulon A, Arntzen JW, Holderegger R, Wagner HH (2009) Identifying future research needs in landscape genetics: where to from here? Landscape Ecol 24:455. Combined genetic and behavioural approaches can determine landscape-level connectivity of individuals and demonstrate how dispersal barriers influence genetic and behavioural patterns in a large parrot.īaker MC (2008) Analysis of a cultural trait across an avian hybrid zone: geographic variation in plumage morphology and vocal traits in the Australian ringneck parrot ( Platycercus zonarius). Our landscape resistance analysis validated by four datasets supports the Great Dividing Range as the main limitation on dispersal and connectivity among palm cockatoo populations. ![]() Neither isolation by habitat nor isolation by distance were well supported by differentiation in the data. Landscape resistance models revealed strong effects of isolation by elevation on genetic, repertoire and structural call differentiation. ![]() We verified three landscape resistance predictions from CIRCUITSCAPE (isolation by elevation, habitat and distance) using four data sets (individual genetic divergence, acoustic divergence in repertoire and two call types). We constructed landscape resistance surfaces restricted to areas of high climatic suitability from a maximum entropy (MAXENT) distribution model. We studied palm cockatoos ( Probosciger aterrimus) within their Australian distribution. We tested for correlations between landscape resistance models, population genetic structure and vocal variation of parrots to investigate the effects of natural barriers on genetic and behavioural population structure including narrow habitat corridors and a mountain range. Here we use multiple data sources to inform the conservation of a parrot species. Studies of variation in learned vocalisations are a promising complementary tool to traditional landscape genetics studies for identifying potential dispersal barriers. Identifying the range, core areas and dispersal pathways or barriers in heterogeneous landscapes is important for managing threatened species. ![]()
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