Applied Population and Community Ecology: The Case of Feral by Jim Hone

By Jim Hone

A part of the Zoological Society of London's Conservation technology and perform sequence, Applied inhabitants and group Ecology evaluates thought in inhabitants and neighborhood ecology utilizing a case research of feral pigs, birds and crops within the excessive kingdom of south-eastern Australia.

In series, the ebook reports the appropriate conception and makes use of long term learn over 1 / 4 of a century at the inhabitants ecology of feral pigs after which group ecology of birds and crops, to guage the speculation. The publication brings jointly into one quantity, learn result of many observational, experimental and modelling experiences and at once compares them with these from similar reports world wide. the results of the consequences for destiny natural world administration also are mentioned. meant readers are ecologists, graduate scholars in ecology and natural world administration and conservation and pest managers.

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Additional info for Applied Population and Community Ecology: The Case of Feral Pigs in Australia

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Hone 2002), which have starchy, bulbous roots. The effects of the ground rooting on the species richness of subalpine vegetation are described in Chapter 7. Predation In the Australian high country, the possible reasons for the high mortality of feral pigs are starvation, parasites and predation. Feral pig has been reported in the diet of dingoes in nearby areas (Newsome et al. 1983), and in the diet of wedge-tailed eagles (Aquila audax) (Davey et al. 2006). The eagles may prey upon piglets and juvenile pigs, rather than adult feral pigs.

Using life-table analysis, Saunders (1993) estimated that in Kosciuszko National Park 85% of pigs die before 1 year of age; the low observed litter size in Namadgi National Park is consistent with this and suggests that most mortality occurs during the first 3 months of the first year of life. Note that the low survival of piglets in Namadgi is based largely on data collected before intensive pig control commenced, and hence the low observed survival was not caused by the pig control. A genetics study in south-west Western Australia suggests feral pigs have polygynous mating behaviour.

1), with mean maximum Population Ecology of Feral Pigs 49 summer temperatures of 19–27◦ C, so movements of feral pigs are likely to be less constrained by temperature. Studies of feral pigs and their ground-rooting distribution (see Chapter 5) found evidence of feral pigs in all 29 of the 1 km2 grid squares surveyed. Combined with the movement studies described above, a conclusion is that the distribution pattern of feral pigs in Namadgi National Park can be described as continuous. A metapopulation structure, with occupied patches interspersed with unoccupied habitat and movement of animals between patches (Hanski 1999), was not observed.

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