Rabbit populations increased more rapidly during the autumn–spring (winter) interval than the spring–autumn (summer) interval (β3 > 0; Figure 2, Supporting Information Table S2). poultry, rabbits and game - farming - Italy / Target companies in 'Naples and Campania' that specialise in the 'poultry, rabbits and game - farming' field- pg-2 The transects encompassed a climatic and productivity gradient from cool, moist, high‐productivity sites in the south to hot, dry, low‐productivity sites in the north‐west (Figure 1, Supporting Information Table S1). Rabbits are now fighting back, but we seem to have lost the rabbit-control skills we once had. “It aims to develop a rabbit organoid tissue culture system, effectively miniaturised rabbit livers-in-a-dish, to allow the cultivation of rabbit caliciviruses in vitro. The rabbit management histories of the transects also varied. Fox populations also exhibited strong negative density dependence (β6 < 0, Figure 2, Supporting Information Table S2). Feral rabbit control is complicated because of welfare and harvesting issues, and because both native and introduced predators feed on feral rabbits in many parts of Australia. Hence, the impacts of disease are likely to be a key mechanism driving density dependence in rabbit populations. There was no evidence of a numerical response of fox populations to rabbit abundance, with the credible interval for this parameter (β5) easily including zero (Figure 2, Supporting Information Table S2). Weakly informative Cauchy(0, 2.5) priors (Gelman, Jakulin, Pittau, & Su, 2008) were specified for the regression parameters relating the rates of increase of foxes and rabbits to the covariates (β). An advantage of this approach is that other potentially important population processes such as density dependence (Brook & Bradshaw, 2006), effects of management activities (Mutze, Kovaliski, Butler, Capucci, & McPhee, 2010), and temporally and spatially varying influences such as rainfall (Dennis & Otten, 2000) can also be evaluated. The European rabbit (Oryctolagus cuniculus) and red fox (Vulpes vulpes) were introduced to Australia in the 19th century and are now sympatric over the majority (~69%) of mainland Australia (West, 2008). If bottom‐up processes truly dominate the growth of invasive predator populations, then this mechanism could be exploited to achieve management control of predator abundance (Courchamp, Langlais, & Sugihara, 1999; Norbury, 2017). Within 70 years rabbits dominated two-thirds of the continent, in habitats ranging from Mount Kosciusko’s snows to Lake Eyre’s saline edge. an experimental test in New South Wales, Interspecific and geographic variation in the diets of sympatric carnivores: Dingoes/wild dogs and red foxes in south‐eastern Australia, Joint effects of density dependence and rainfall on abundance of San Joaquin kit fox, The Millennium Drought in southeast Australia (2001–2009): Natural and human causes and implications for water resources, ecosystems, economy, and society, Population trends in European rabbits and other wildlife of central Australia in the wake of rabbit haemorrhagic disease, Short‐term responses of mammalian carnivores to a sudden collapse of rabbits in Mediterranean Spain, Invading parasites cause a structural shift in red fox dynamics, European rabbit survival and recruitment are linked to epidemiological and environmental conditions in their exotic range, Prior distributions for variance parameters in hierarchical models, A weakly informative default prior distribution for logistic and other regression models, Posterior predictive assessment of model fitness via realized discrepancies. Instructions on how to rapidly assess a rabbit problem using a simple, visual-based technique can be found in the booklet Rabbits: a threat to conservation and natural resource management. The numbers of rabbits and foxes observed along the transects were recorded. Our study included a period of severe, prolonged drought (the “Millennium Drought” of 2001–2009; Dijk et al., 2013), followed by a 6‐year period of high rainfall. The lagging period on the demographic response of foxes to rabbit abundance was given a categorical prior with a maximum lag period of four half‐years (two calendar years). Invasive mammalian predators commonly coexist with invasive mammalian herbivore prey. Hence, changes in populations were attributed by the model to either the June–July or December–January periods: these seasonal periods of change are referred to hereafter as “winter” and “summer,” respectively. Rabbits suffer in particular from the blowflies Lucilia sericata, Calliphora sp., the grey flesh fly Wohlfahrtia sp., the common screwworm fly Callitroga sp., and from the botfly Cuterebra sp, which is seen in the USA only. The livestock industries and CSIRO moved fast. There is debate about the usefulness of uncorrected population counts in applied ecology (e.g., Hayward & Marlow, 2014; Nimmo, Watson, Forsyth, & Bradsha, 2015), but spotlight counts have long been used to monitor rabbits and foxes in Australia (e.g., Mutze et al., 2010; Pech et al., 1992) and Europe (e.g., Sobrino, Acevedo, Escudero, Marco, & Gortzar, 2009 and references therein). Foxes eat a wide range of mammals, reptiles, birds, insects, and plant materials (Davis et al., 2015), and readily switch food sources as availability changes (Davey et al., 2006; Leckie, Thirgood, May, & Redpath, 1998). Since the minimum distance between transects (5.4 km) exceeds the home range sizes of both rabbits and foxes in south eastern Australia (Saunders, Coman, Kinnear, & Braysher, 1995; Williams, Parer, Coman, Burley, & Braysher, 1995), transects were considered demographically independent. The feral European rabbit is one of the most widely distributed and abundant mammals in Australia. Specialist predators of invasive prey could be more susceptible to indirect control targeting prey due to their limited capacity for prey switching (Harper, 2005). If predators can readily switch prey when preferred prey become scarce, then a strong functional response might not cause a discernible numerical response. Rabbit hemorrhagic disease is a highly contagious disease of European rabbits caused by small, single-stranded RNA caliciviruses. 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