Spatial and temporal exposure patterns in non-target small mammals during brodifacoum rat control

Geduhn, Anke; Esther, Alexandra; Schenke, Detlef; Mattes, H.; Jacob, Jens

doi:10.1016/j.scitotenv.2014.07.049

Cited by 67 publications

(54 citation statements)

References 44 publications

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“…We assume it is vectored by mouse movement but take no account of changed mouse behavior which would under estimate exposure in the model if poisoned mice were easier to catch (Cox and Smith, 1992), and might affect the proportion of contaminated rodents in the diet. The diffusion model for rodent rodenticide dispersal compares well with recorded dispersal distances of poisoned small mammals during standard rat control operations with bait stations on farms (Geduhn et al, 2014). Dispersal distances of mice and voles are probably underestimated in these studies as individuals that moved away from the trapping grid were not recorded.…”

Section: Model Uncertaintiesmentioning

confidence: 63%

Modeling Exposure of Mammalian Predators to Anticoagulant Rodenticides

Topping

Elmeros

2016

Front. Environ. Sci.

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Section: Model Uncertaintiesmentioning

confidence: 63%

Modeling Exposure of Mammalian Predators to Anticoagulant Rodenticides

Topping

Elmeros

2016

Front. Environ. Sci.

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“…Although EBRM is considered superior to traditional methods even in urban environments (Colvin & Jackson 1999), they are particularly important in rural and natural environments where native and sometimes endangered wildlife species are involved. In this study, density indexes based on trapping provided a tool to decide when and where to apply rodenticide, reducing the amount and frequency of poisoning, and, therefore, reducing detrimental effects on non-target species (Geduhn et al 2014). The rapid decline in rodent numbers and the delay in the recovery of the population observed after poisoning and culling of live-trapped rodents in the camping area, in comparison with what was observed in the non-controlled sites of the park, suggest that these control measures were effective.…”

Section: Discussionmentioning

confidence: 99%

“…Although rodents can cause economic loss and transmit disease to people, the species that cause important problems for humans represent only a small subset of rodent species ). However, traditional rodent pest control programs are not tailored specifically to the species that needs to be managed and, therefore, species that do not pose a risk to humans, including other rodents, birds and reptiles, are exposed to risk (Berny et al 1997;Brakes & Smith 2005;Geduhn et al 2014). In addition, widespread use of rodenticides in traditional control methods may result in the contamination of the environment, particularly with broad scale use ).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of habitat requirements of small rodents and effectiveness of an ecologically‐based management in a hantavirus‐endemic natural protected area in Argentina

Vadell

Erize

Villafañe

2017

Integrative Zoology

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Hantavirus pulmonary syndrome is a severe cardio pulmonary disease transmitted to humans by sylvan rodents found in natural and rural environments. Disease transmission is closely linked to the ecology of animal reservoirs and abiotic factors such as habitat characteristics, season or climatic conditions. The main goals of this research were: to determine the biotic and abiotic factors affecting richness and abundance of rodent species at different spatial scales, to evaluate different methodologies for studying population of small rodents, and to describe and analyze an ecologically-based rodent management experience in a highly touristic area. A 4-year study of small rodent ecology was conducted between April 2007 and August 2011 in the most relevant habitats of El Palmar National Park, Argentina. Management involved a wide range of control and prevention measures, including poisoning, culling and habitat modification. A total of 172 individuals of 5 species were captured with a trapping effort of 13 860 traps-nights (1.24 individuals/100 traps-nights). Five rodent species were captured, including 2 hantavirus-host species, Oligoryzomys nigripes and Akodon azarae. Oligoryzomys nigripes, host of a hantavirus that is pathogenic in humans, was the most abundant species and the only one found in all the studied habitats. Our results are inconsistent with the dilution effect hypothesis. The present study demonstrates that sylvan rodent species, including the hantavirus-host species, have distinct local habitat selection and temporal variation patterns in abundance, which may influence the risk of human exposure to hantavirus and may have practical implications for disease transmission as well as for reservoir management.

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“…This is exemplified in the study of Geduhn et al who investigated the spatial and temporal exposure patterns in non-target small mammals during brodifacoum rat control. The authors concluded that the highest concentrations of brodifacoum were detected shortly after the baiting campaign started, whereas more residues but with lower concentrations occurred 3 weeks after commencement of baiting (Geduhn et al 2014). In addition, invertebrates may be at risk from primary poisoning as a result of AR bait applications.…”

Section: Fate Of Anticoagulants In Wwtpsmentioning

confidence: 99%

Comprehensive characterization of anticoagulant rodenticides in sludge by liquid chromatography-tandem mass spectrometry

Gómez‐Canela

Lacorte

2016

Environ Sci Pollut Res

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The occurrence of 10 commonly used anticoagulant rodenticides in centrifuged sludge of 27 wastewater treatment plants was evaluated using solid-liquid extraction (SLE) and liquid chromatography-tandem mass spectrometry (LC-MS/MS). Activated carbon, alumina, and Florisil cartridges with methanol/dichloromethane as eluting solvents were tested in combination with primary-secondary amine (PSA) to optimize an efficient sample cleanup. PSA in combination with Florisil was the best methodology to extract anticoagulant rodenticides in sludge providing recoveries between 42 ± 0.5 and 100 ± 2 %. Warfarin, bromadiolone, ferulenol, and coumachlor were the most ubiquitous compounds in sludge at concentrations up to 84.2 ng g(-1) for the latter. Coumatetralyl, dicoumarol, and brodifacoum were detected sporadically at levels between 6.1 and 17.4 ng g(-1). On the contrary, acenocoumarol, difenacoum, and flocoumafen were not detected in any sample. Finally, we estimated the amount of anticoagulant rodenticides discharged via sludge in order to determine the potential impact to agricultural soil according to different sludge usage practices in the region investigated. This study demonstrates that anticoagulant rodenticides are accumulated in sludge during activated sludge treatment and that the application of sludge as fertilizers may pose a future environmental risk, if not controlled.

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Spatial and temporal exposure patterns in non-target small mammals during brodifacoum rat control

Cited by 67 publications

References 44 publications

Modeling Exposure of Mammalian Predators to Anticoagulant Rodenticides

Modeling Exposure of Mammalian Predators to Anticoagulant Rodenticides

Evaluation of habitat requirements of small rodents and effectiveness of an ecologically‐based management in a hantavirus‐endemic natural protected area in Argentina

Comprehensive characterization of anticoagulant rodenticides in sludge by liquid chromatography-tandem mass spectrometry

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