Extinction dynamics of the helmeted honeyeater: effects of demography, stochasticity, inbreeding and spatial structure
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Cited by (35)
Integrating phylogeography and morphometrics to assess conservation merits and inform conservation strategies for an endangered subspecies of a common bird species
2014, Biological ConservationCitation Excerpt :Known as the helmeted honeyeater for its distinctive ‘helmet’ of long, erected crown feathers, it is critically endangered under IUCN criteria (Garnett et al., 2011a) and is restricted to a single natural population (∼65 adult individuals augmented with captive-bred birds; Menkhorst, 2008) confined to an area of less than 5 km2 in the Yellingbo Nature Conservation Reserve (Fig. 1). This population is clearly at risk of extinction from environmental and demographic stochasticity (McCarthy, 1996). Efforts to prevent its extinction began in 1965 (Menkhorst, 2008; Menkhorst and Middleton, 1991).
A Voronoi diagram based population model for social species of wildlife
2010, Ecological ModellingThe anatomy of a (potential) disaster: Volcanoes, behavior, and population viability of the short-tailed albatross (Phoebastria albatrus)
2010, Biological ConservationCitation Excerpt :Threats can also be divided into those that occur at different frequencies and intensities: (a) chronic threats – constant and often low in intensity (e.g., harvesting); (b) stochastic threats – erratic and unpredictable and of low to moderate intensity (e.g., weather effects); and (c) catastrophic threats – rare, often unpredictable, and of high intensity (e.g., hurricane). Although much work has evaluated the effects of chronic and stochastic threats on population viability (Baker and Wise, 2005; Inchausti and Weimerskirch, 2001; Kelly and Durant, 2000; Nantel et al., 1996; Rolland et al., 2009), less is understood about how catastrophic threats affect population persistence, especially when combined with chronic and stochastic threats (McCarthy, 1996; Whitman et al., 2007). While there are multiple ways to assess how catastrophic and/or chronic events might affect species survival, population viability analysis provides one of the most useful approaches, at least when sufficient census and demographic data are available (Morris and Doak, 2002).
Cost-efficient conservation for the white-banded tanager (Neothraupis fasciata) in the Cerrado, central Brazil
2009, Biological ConservationCitation Excerpt :The sensitivity analysis indicated that fecundity and adult survival have the greatest impact on the population persistence of the white-banded tanager. Variation in adult survival invariably has the greatest impact on persistence probabilities for long-lived vertebrates (e.g. Goldingay and Possingham, 1995; McCarthy, 1996; Lunney et al., 2002; Larson et al., 2002), but intriguingly fecundity appears to be the most important vital parameter for the white-banded tanager in ESECAE. Fecundity was also more important than most survival parameters for the persistence of the Florida scrub-jay (Aphelocoma coerulescens) (Breininger et al., 1999), although from a management perspective it is our ability to manipulate these parameters that matters most (Baxter et al., 2006).
Dynamic Landscape Metapopulation Models and Sustainable Forest Management
2009, Models for Planning Wildlife Conservation in Large LandscapesComparing predictions of extinction risk using models and subjective judgement
2004, Acta Oecologica
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Present address: Centre for Resource and Environmental Studies, Australian National University, Canberra, A.C.T. 0200, Australia.