Reproduction may occur throughout the year, although peaks in births have been recorded in April and September (Robinson et al., 1994). Sexual maturity is reached at about 1.5 years (Lim et al., 1992), and longevity in the wild has been recorded as at least 12 years (L. Lim pers. comm., cited in Woinarski et al., 2014). Generation length is assumed to be 5-6 years (Woinarski et al., 2014). Threats Threats to the yellow-footed rock-wallaby (SA, NSW) are outlined in the below (Woinarski et al., 2014). Threat factor Extent over which Evidence base rating threat may operate Predation by red catastrophic entire some direct evidence of predation (Hornsby, 1997); and experimentally-demonstrated population-level impacts (Sharp et al., 2014) Habitat change severe large substantial experimental (and resource evidence of impacts of feral depletion) due to goats (Copley et al., 2008) livestock and feral herbivores Predation by feral moderate entire little evidence of cats impact, but cat numbers and impacts may increase with control of foxes Inappropriate fire moderate wildfire is considered a major regimes threat to this subspecies (Copley et al., 2008) Habitat loss (by moderate minor mostly a former threat (Copley clearing) and et al., 2008) fragmentation Reduced access to moderate localised closing of artificial water water sources sources, and/or diversion of natural water sources may be a minor threat (L. Lim pers. comm., cited in Woinarski et al., 2014) Assessment of available information in relation to the EPBC Act Criteria and Regulations Criterion 1. Population size reduction (reduction in total numbers) Population reduction (measured over the longer of 10 years or 3 generations) based on any of A1 to A4 Critically Endangered Endangered Vulnerable Very severe reduction Severe reduction Substantial reduction A1 90% 70% 50% ≥ ≥ ≥ A2, A3, A4 80% 50% 30% ≥ ≥ ≥
Reproduction may occur throughout the year, although peaks in births have been recorded in April and September (Robinson et al., 1994). Sexual maturity is reached at about 1.5 years (Lim et al., 1992), and longevity in the wild has been recorded as at least 12 years (L. Lim pers. comm., cited in Woinarski et al., 2014). Generation length is assumed to be 5-6 years (Woinarski et al., 2014). Threats Threats to the yellow-footed rock-wallaby (SA, NSW) are outlined in the below (Woinarski et al., 2014). Threat factor rating Extent over which threat may operate Evidence base Predation by red catastrophic entire some direct evidence of predation (Hornsby, 1997); and experimentally-demonstrated population-level impacts (Sharp et al., 2014) Habitat change (and resource depletion) due to livestock and feral herbivores severe large substantial experimental evidence of impacts of feral goats (Copley et al., 2008) Predation by feral cats moderate entire little evidence of impact, but cat numbers and impacts may increase with control of foxes Inappropriate fire regimes moderate wildfire is considered a major threat to this subspecies (Copley et al., 2008) Habitat loss (by clearing) and fragmentation moderate minor mostly a former threat (Copley et al., 2008) Reduced access to water sources moderate localised closing of artificial water sources, and/or diversion of natural water sources may be a minor threat (L. Lim pers. comm., cited in Woinarski et al., 2014) Assessment of available information in relation to the EPBC Act Criteria and Regulations Criterion 1. Population size reduction (reduction in total numbers) Population reduction (measured over the longer of 10 years or 3 generations) based on any of A1 to A4 Critically Endangered Very severe reduction Endangered Severe reduction Vulnerable Substantial reduction A1 ≥ 90% ≥ 70% ≥ 50% A2, A3, A4 ≥ 80% ≥ 50% ≥ 30%