Successful eradication of the European rabbit (<i>Oryctolagus cuniculus</i>) and house mouse (<i>Mus musculus</i>) from the island of Selvagem Grande (Macaronesian archipelago), in the Eastern Atlantic

Olivera, Paulo; Menezes, Dilia; Trout, R. C.; Buckle, Alan; Geraldes, Pedro; Jesús, José

doi:10.1111/j.1749-4877.2010.00186.x

Cited by 22 publications

(33 citation statements)

References 18 publications

(20 reference statements)

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“…In some of the projects described below the removal or rabbits and rodents were concurrent using the same techniques (e.g. Oliveira et al, 2010). Table 1.…”

Section: Island Invasions By Rodentsmentioning

confidence: 99%

“…However, research has shown that roof rats may be best treated using 50 m x 50m spacing (4/ha) to achieve eradication over the same time period (see Thomas and Taylor, 2002). Removing house mice with bait stations may be very difficult because of their limited ranging movements, and may require stations spaced at 5-10 m intervals (Thomas and Tayor, 2002;Oliveira et al, 2010). Even working with these optimal grid densities, there are examples of failed projects (e.g.…”

Section: Bait Stationsmentioning

confidence: 99%

“…The requirement to reach all bait stations on several occasions in difficult terrain may result in high labour costs and increased safety risks to staff. Sometimes mixed schemes are required in which bait stations are used where topography allows, with broadcast baiting elsewhere (Oliveira et al 2010). On some tropical islands, the presence of land and hermit crabs may prevent the use of ground-secured stations because of the attractiveness of the bait to these crustaceans.…”

Section: Bait Stationsmentioning

confidence: 99%

“…A thorough programme of benefits monitoring was conducted after the eradication of rabbits and house mice from Great Salvage Island (Oliveira et al, 2010). Protection from disturbance, nest site competition and predation of populations of small, burrow-nesting pelagic seabirds were the main purposes of the programme but wider biodiversity gains were also anticipated.…”

Section: Monitoring Benefitsmentioning

confidence: 99%

“…These assessments should follow the standard stepwise sequence of hazard identification, exposure and effects assessment, risk characterisation, risk-benefit analysis, risk reduction (where necessary) and monitoring (van Leeuwen and Hermens, 2004). A recent project using brodifacoum bait to remove rabbit and House mice from an island in the north-east Atlantic provides an example of this approach (Oliveira et al, 2010). A hazard to a population of Bertholot's pipit (Anthus berthelotii) was identified and further analysis indicated a risk of severe adverse impact through consumption of bait and insects that had fed on bait.…”

Section: Environmental Considerationsmentioning

confidence: 99%

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Rodent control and island conservation.

Howald¹,

Ross²,

Buckle³

2015

Rodent Pests and Their Control

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Most rodent species are highly adapted, selected, boom-or-bust strategists. Such pre-adaptation to invasiveness allows them quickly to take advantage of abundant new resources and is why rodents are among the most successful mammalian colonizers of islands. This chapter discusses the impacts of alien invasive rodents on natural ecosystems, with emphasis on oceanic islands, and review management techniques to mitigate their effects.

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“…In some of the projects described below the removal or rabbits and rodents were concurrent using the same techniques (e.g. Oliveira et al, 2010). Table 1.…”

Section: Island Invasions By Rodentsmentioning

confidence: 99%

Section: Bait Stationsmentioning

confidence: 99%

Section: Bait Stationsmentioning

confidence: 99%

Section: Monitoring Benefitsmentioning

confidence: 99%

Section: Environmental Considerationsmentioning

confidence: 99%

See 3 more Smart Citations

Rodent control and island conservation.

Howald¹,

Ross²,

Buckle³

2015

Rodent Pests and Their Control

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Trust your guts? The effect of gut section on diet composition and impact of Mus musculus on islands using metabarcoding

Pinho

Lopes

Paupério

et al. 2022

Ecology and Evolution

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DNA metabarcoding is widely used to characterize the diet of species, and it becomes very relevant for biodiversity conservation, allowing the understanding of trophic chains and the impact of invasive species. The need for cost‐effective biodiversity monitoring methods fostered advances in this technique. One question that arises is which sample type provides a better diet representation. Therefore, with this study, we intended to evaluate if there were differences in diet estimates according to the section of the gastrointestinal tract analysed and which section(s) provided the best diet representation. Additionally, we intended to infer the ecological/economic impacts of an invader as a model of the potential effects in an originally mammal‐free ecosystem. We examined the gut contents of the house mouse Mus musculus introduced to Cabo Verde, considering three sections: stomach, small intestine, and large intestine. We applied a DNA‐metabarcoding approach using two genetic markers, one specific for plants and another for invertebrates. We showed that this invader consumed 131 taxa (73 plants and 58 invertebrates). We obtained significant differences in the composition of two of the three sections, with a higher incidence of invertebrates in the stomach and plants in the intestines. This may be due to stomach inhibitors acting on plants and/or to faster absorption of soft‐body invertebrates compared to the plant fibers in the intestines. We verified that the impact of this invader in the ecosystem is predominantly negative, as at least 50% of the ingested items were native, endemic, or economically important taxa, and only 19% of the diet items were exotics. Overall, results showed the need to analyse only two gastrointestinal tract sections to obtain robust diet data, increasing the cost‐effectiveness of the method. Furthermore, by uncovering the native taxa most frequently preyed on by mice, this DNA‐metabarcoding approach allowed us to evaluate efficiently which are at the highest risk.

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