The invasion ecology of mammals: a global perspective

Clout, Mick N.; Russell, James C.

doi:10.1071/wr07091

Cited by 110 publications

(84 citation statements)

References 28 publications

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“…Eradicating invasive species and preventing reinvasion is a common goal for ecological restoration programs and this is often easier to achieve on islands because of their isolation (Courchamp et al 2003;Towns and Broome 2003;Clout and Russell 2008). When pests reappear after an eradication attempt, determining whether they are survivors or re-invaders can have important implications for management: either quarantine or eradication procedures may need to be modified.…”

Section: Introductionmentioning

confidence: 98%

Genetic population assignment reveals a long-distance incursion to an island by a stoat (Mustela erminea)

2011

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When new individuals from a pest species are detected after an eradication programme, it is important to determine if these individuals are survivors from the eradication attempt or reinvaders from another population, as this enables managers to adjust and improve the methodologies for future eradications and biosecurity. Rangitoto/Motutapu Islands in the Hauraki Gulf (New Zealand) had a multispecies mammalian pest eradication conducted in 2009. A year after this eradication a single stoat was trapped on the island. Using genetic population assignment we conclude that this individual was a reinvader, which probably swam a minimum distance of 3 km from the adjacent mainland. This swimming distance is greater than any previously known stoat incursions. Our results suggest that the original population on these islands was from natural dispersal rather than anthropogenic introduction and that it had some limited ongoing mixing with the mainland population. These findings highlight the invasion/reinvasion potential of stoats across large stretches of water, and will necessitate ongoing biosecurity indefinitely for these islands. The study also highlights the utility of genetic assignment techniques for assessing reinvasion, and emphasizes the need for pre-eradication genetic sampling of all pest species to enable such analyses to be carried out.

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Section: Introductionmentioning

confidence: 98%

Genetic population assignment reveals a long-distance incursion to an island by a stoat (Mustela erminea)

2011

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“…Globally, deer (family Cervidae) have been widely introduced outside their native ranges, with populations being established throughout the world (Long 2003;Clout and Russell 2008;Fig. 1).…”

Section: Introductionmentioning

confidence: 99%

A systematic review of the impacts and management of introduced deer (family Cervidae) in Australia

et al. 2016

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Abstract. Deer are among the world's most successful invasive mammals and can have substantial deleterious impacts on natural and agricultural ecosystems. Six species have established wild populations in Australia, and the distributions and abundances of some species are increasing. Approaches to managing wild deer in Australia are diverse and complex, with some populations managed as 'game' and others as 'pests'. Implementation of cost-effective management strategies that account for this complexity is hindered by a lack of knowledge of the nature, extent and severity of deer impacts. To clarify the knowledge base and identify research needs, we conducted a systematic review of the impacts and management of wild deer in Australia. Most wild deer are in south-eastern Australia, but bioclimatic analysis suggested that four species are well suited to the tropical and subtropical climates of northern Australia. Deer could potentially occupy most of the continent, including parts of the arid interior. The most significant impacts are likely to occur through direct effects of herbivory, with potentially cascading indirect effects on fauna and ecosystem processes. However, evidence of impacts in Australia is largely observational, and few studies have experimentally partitioned the impacts of deer from those of sympatric native and other introduced herbivores. Furthermore, there has been little rigorous testing of the efficacy of deer management in Australia, and our understanding of the deer ecology required to guide deer management is limited. We identified the following six priority research areas: (i) identifying long-term changes in plant communities caused by deer; (ii) understanding interactions with other fauna; (iii) measuring impacts on water quality; (iv) assessing economic impacts on agriculture (including as disease vectors); (v) evaluating efficacy of management for mitigating deer impacts; and (vi) quantifying changes in distribution and abundance. Addressing these knowledge gaps will assist the development and prioritisation of cost-effective management strategies and help increase stakeholder support for managing the impacts of deer on Australian ecosystems.

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“…Red foxes (Vulpes vulpes), for example, are considered pests to livestock (Greentree et al, 2000); European badgers are thought to be linked to outbreaks of tuberculosis in cattle (Krebs, 1997); and brown rats (Rattus norvegicus) can transmit disease to humans (Kobayashi, 2001). Furthermore there is the increasing problem of non-indigenous species (e.g., grey squirrels, Sciurus carolinensis, and American mink, Neovison vison) that have important impacts on local biodiversity (Clout and Russell, 2008;Roy et al, 2009). Only by monitoring population changes regularly and over a long period can important trends be identified and robust priorities set for conservation and management action.…”

Section: Introductionmentioning

confidence: 99%

Using the Dead to Mo Nitor the Living: Ca N Road Kill Counts Detect Trends in Mammal Abundance ?

George¹,

MacPherson²,

Balmforth³

et al. 2011

Appl Ecol Env Res

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Abstract. Counts of animal corpses resulting from road traffic collisions can give useful information on changes in animal abundance if there is a correlation between the population density of the species in neighbouring habitats and the number of road kills observed. Collection of data on mammal road casualties can be carried out by untrained volunteers; it can be collected across large areas; and it is cost effective in terms of time and expense. We carried out a study to determine if road casualty data can be used to monitor mammal abundance and distribution using one of the most commonly recorded road casualty species in the UK, the rabbit (Oryctolagus cuniculus), as an example. We found a direct relationship between the numbers of rabbit road casualties and the numbers living in the wider landscape. Nearly 60% of the deviance in the live rabbit density index could be explained using only rabbit road casualty, landclass group and traffic flow data. Therefore the use of road casualty data is a cost effective method of monitoring rabbits and, by implication, other species over a large area in the UK, and is a highly effective means of monitoring terrestrial mammals.

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The invasion ecology of mammals: a global perspective

Cited by 110 publications

References 28 publications

Genetic population assignment reveals a long-distance incursion to an island by a stoat (Mustela erminea)

Genetic population assignment reveals a long-distance incursion to an island by a stoat (Mustela erminea)

A systematic review of the impacts and management of introduced deer (family Cervidae) in Australia

Using the Dead to Mo Nitor the Living: Ca N Road Kill Counts Detect Trends in Mammal Abundance ?

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