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Madden JR, Buckley R, Ratcliffe S. Large-scale correlations between gamebird release and management and animal biodiversity metrics in lowland Great Britain. Ecol Evol 2023; 13:e10059. [PMID: 37168985 PMCID: PMC10166649 DOI: 10.1002/ece3.10059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 03/15/2023] [Accepted: 04/14/2023] [Indexed: 05/13/2023] Open
Abstract
The ecological effects on populations of non-game species driven by the annual release and management of tens of millions of gamebirds for recreational shooting are complex and relatively poorly understood. We investigated these effects at a national scale, considering multiple taxa simultaneously. We used records from the UK National Biodiversity Network Atlas to compare animal species and diversity metrics previously suggested to be affected by behaviors of the released birds, or because resources or habitats are influenced by game management or both processes. We contrasted records from 1 km grid squares where gamebirds were reported released in Great Britain, and control squares with similar land cover but where no releases were reported. There were more records overall reported from release grid squares (RGS) compared with controls (CGS), perhaps due to greater reporting effort or greater biological richness. We found fewer foxes in RGS and fewest in grid squares with largest releases, but more carrion crows in RGS. We found no consistent effects for buzzards, ravens, jays, or magpies. There were more rodents and gray squirrels reported from RGS but no differences for reptiles. There were more butterflies but fewer beetles reported from RGS but no consistent patterns for Orthoptera or ground beetles considered common gamebird prey. Farmland and woodland birds exhibited higher abundance, richness, and diversity in RGS when considering absolute records, but woodland bird abundance and richness were lower when correcting for the relative number of records. These nationwide results, despite crude data resolution, reveal diverse effects of gamebird release and management at a national scale and across trophic levels, increasing some non-game animal populations while decreasing others. This should alert practitioners, opponents, and legislators that a focus on single taxa effects, either positive or negative, may obscure the simultaneous changes in other taxa.
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Affiliation(s)
- Joah Robert Madden
- Psychology, Centre for Research in Animal BehaviourUniversity of ExeterExeterUK
| | - Rosie Buckley
- Psychology, Centre for Research in Animal BehaviourUniversity of ExeterExeterUK
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Lethal predator control on UK moorland is associated with high breeding success of curlew, a globally near-threatened wader. EUR J WILDLIFE RES 2023. [DOI: 10.1007/s10344-022-01631-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Hunting Levels of Turtle Dove (Streptopelia turtur) at Sites Where Food Is Provided: Implications for Sustainable Harvesting. Animals (Basel) 2022; 12:ani12162106. [PMID: 36009696 PMCID: PMC9405008 DOI: 10.3390/ani12162106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/18/2022] [Accepted: 07/27/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary The European turtle dove (Streptopelia turtur) is an important gamebird in south-western Europe, and in some areas a significant proportion of hunting grounds conduct targeted management aiming to increase its breeding densities and hunting opportunities, mainly through food provision. Using harvest data from managed grounds, we estimated the productivity (juvenile/adult ratio), the harvesting levels and the local turtle dove abundance before the hunting season, the latter being compared to the number of birds observed by hunters in food plots. Our research found high values of productivity and significant differences between the estimated abundance and the number of birds observed by hunters, which suggests that in a high proportion of grounds, the latter method may have led to bird overestimation and overharvesting. As managed grounds for the turtle dove may increase the productivity and recruitment of the species, it is crucial to ensure sustainable harvesting through (1) bird monitoring based on transects to calculate abundance and (2) promoting regulations to adjust the number of hunting days. Abstract In some regions of Spain, hunting grounds conduct management targeting the European turtle dove (Streptopelia turtur), a commonly hunted species, and unsustainable harvesting levels at these sites have been identified as one of the factors responsible for the species’ decline across its range. In hunting grounds where food was provided, we estimated the local turtle dove abundance before the hunting season, productivity (juvenile/adult ratio) and harvesting levels using harvest data from managed grounds over 4 years (2009, 2015, 2019 and 2020). Compared to previous research, a higher productivity value was found (median 1.67, range 1.24–4.15) in grounds providing more food for a longer period. We calculated that the harvesting rate should not exceed 37% of the estimated turtle dove population size (35–45%). Significant differences were found between the estimated local turtle dove abundance using a removal sampling protocol and the number of birds observed by hunters before the hunting season, which suggests that in a high proportion of grounds, the latter method may have led to bird overestimation and overharvesting. Our research supports the current European Union’s harvest management plan to promote sustainable hunting in grounds where targeted management is conducted.
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Harmange C, Bretagnolle V, Chabaud N, Sarasa M, Pays O. Diel cycle in a farmland bird is shaped by contrasting predation and human pressures. Biol J Linn Soc Lond 2021. [DOI: 10.1093/biolinnean/blab060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
In human-dominated landscapes, human disturbances may contrast (spatially and/or temporally) with risk imposed by non-human predators. However, how prey adjust behaviour to minimize risk from multiple threats remains unclear. In Central-Western France, we investigated patterns of activity, space and habitat use, and causes of variations during the diel cycle of the grey partridge (captive-reared, released), a farmland bird facing multiple risks (nocturnal predation, diurnal hunting pressure). We also investigated influence of individual space use, relative to risk-related features on the fate of birds. Birds adjusted their behaviours in ways consistent with the reduction of risk from nocturnal carnivores at night and hunters during daytime. We recorded bimodal crepuscular activity, likely explained by commuting movements between spatially-separated diurnal and nocturnal sites composed of different habitats: selection of open terrains and avoidance of predator reservoirs at night vs. use of high-vegetation cover during daytime. We observed space use differences between surviving, hunted and predated birds. Predation and hunting activities act as contrasting pressures, selecting birds based on their spatial behaviour, which has likely shaped diel adjustments at the population level. An improved consideration of temporal variation in environmental pressures would help to reliably address factors constraining populations, so increasing wildlife management efficiency.
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Affiliation(s)
- Clément Harmange
- LETG-Angers, UMR 6554 CNRS, Université d’Angers, Lavoisier, Angers, France
- Centre d’Etudes Biologiques de Chizé, UMR 7372, CNRS and La Rochelle Université, Beauvoir-sur-Niort, France
- REHABS International Research Laboratory, CNRS-Université Lyon 1-Nelson Mandela University, George Campus, Madiba Drive, George, South Africa
| | - Vincent Bretagnolle
- Centre d’Etudes Biologiques de Chizé, UMR 7372, CNRS and La Rochelle Université, Beauvoir-sur-Niort, France
- LTSER “Zone Atelier Plaine & Val de Sèvre”, CNRS, Beauvoir sur Niort, France
| | - Nathan Chabaud
- Centre d’Etudes Biologiques de Chizé, UMR 7372, CNRS and La Rochelle Université, Beauvoir-sur-Niort, France
| | - Mathieu Sarasa
- BEOPS, 1 Esplanade Compans Caffarelli, Toulouse, France
- Fédération Nationale des Chasseurs, rue du Général Leclerc, Issy-les-Moulineaux cedex, France
| | - Olivier Pays
- LETG-Angers, UMR 6554 CNRS, Université d’Angers, Lavoisier, Angers, France
- REHABS International Research Laboratory, CNRS-Université Lyon 1-Nelson Mandela University, George Campus, Madiba Drive, George, South Africa
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Puffer SR, Tennant LA, Lovich JE, Agha M, Smith AL, Delaney DK, Arundel TR, Fleckenstein LJ, Briggs J, Walde AD, Ennen JR. Birds not in flight: using camera traps to observe ground use of birds at a wind-energy facility. WILDLIFE RESEARCH 2021. [DOI: 10.1071/wr21071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Armenteros JA, Caro J, SÁnchez-GarcÍa C, Arroyo B, PÉrez JA, Gaudioso VR, Tizado EJ. Do non-target species visit feeders and water troughs targeting small game? A study from farmland Spain using camera-trapping. Integr Zool 2020; 16:226-239. [PMID: 33150697 DOI: 10.1111/1749-4877.12496] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Provision of food and water is a widespread tool implemented around the world for the benefit of game and other wildlife, but factors affecting the use of food and water by non-target species are poorly known. We evaluated visits to feeders and water troughs by non-game species using camera-traps in two separate areas of Spain. Feeders and water troughs were either "protected" (when surrounded by more than 50% of shrubs/forest) or "open" (in the opposite case). A total of 18 948 photos from 5344 camera-trapping days depicted animals, and 75 species were identified. Feeders and water troughs were visited by target species (partridges and lagomorphs, 55.3% of visits) and non-target species (44.7% of visits). Among the latter, corvids were the most common (46.1% of visits), followed by rodents (26.8%), other birds (23.6%, mainly passerines), columbids (1.9%), and other species at minor percentages. The highest proportion of visiting days to feeders and water troughs was from corvids (0.173) followed by other-birds (0.109) and rodents (0.083); the lowest proportion was recorded for columbids (0.016). Use intensity and visit frequency of water troughs tripled that recorded in feeders, and visits to open feeders/troughs were approximately twice those to protected ones. In summary: feeders and water troughs targeting small game species are also used regularly by non-target ones; they should be set close to cover to optimize their use by non-target species that are not competitors of target species (though corvids may visit them); water availability should be prioritized where drought periods are expected.
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Affiliation(s)
- José A Armenteros
- Department of Animal Production, Research Group on Game Species Breeding and Management, University of León, León, Spain
| | - Jesús Caro
- Instituto de Investigación en Recursos Cinegéticos (IREC, CSIC-UCLM-JCCM), Ciudad Real, Spain
| | - Carlos SÁnchez-GarcÍa
- Department of Animal Production, Research Group on Game Species Breeding and Management, University of León, León, Spain.,Fundación Artemisan, Ciudad Real, Spain
| | - Beatriz Arroyo
- Instituto de Investigación en Recursos Cinegéticos (IREC, CSIC-UCLM-JCCM), Ciudad Real, Spain
| | - José A PÉrez
- Department of Animal Production, Research Group on Game Species Breeding and Management, University of León, León, Spain
| | - Vicente R Gaudioso
- Department of Animal Production, Research Group on Game Species Breeding and Management, University of León, León, Spain
| | - Emilio J Tizado
- Department of Biodiversity and Environmental Management, University of León, Ponferrada, Spain
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Sage RB, Hoodless AN, Woodburn MIA, Draycott RAH, Madden JR, Sotherton NW. Summary review and synthesis: effects on habitats and wildlife of the release and management of pheasants and red-legged partridges on UK lowland shoots. WILDLIFE BIOLOGY 2020. [DOI: 10.2981/wlb.00766] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Rufus B. Sage
- R. B. Sage , A. N. Hoodless, M. I. A. Woodburn, R. A. H. Draycott, N. W. Sotherton, Game & Wildlife Conservation Trust, Fordingbridge, SP6 1EF, UK
| | - Andrew N. Hoodless
- R. B. Sage , A. N. Hoodless, M. I. A. Woodburn, R. A. H. Draycott, N. W. Sotherton, Game & Wildlife Conservation Trust, Fordingbridge, SP6 1EF, UK
| | - Maureen I. A. Woodburn
- R. B. Sage , A. N. Hoodless, M. I. A. Woodburn, R. A. H. Draycott, N. W. Sotherton, Game & Wildlife Conservation Trust, Fordingbridge, SP6 1EF, UK
| | - Roger A. H. Draycott
- R. B. Sage , A. N. Hoodless, M. I. A. Woodburn, R. A. H. Draycott, N. W. Sotherton, Game & Wildlife Conservation Trust, Fordingbridge, SP6 1EF, UK
| | - Joah R. Madden
- J. R. Madden, Center for Research in Animal Behaviour, Exeter Univ.,, Exeter, UK
| | - Nicolas W. Sotherton
- R. B. Sage , A. N. Hoodless, M. I. A. Woodburn, R. A. H. Draycott, N. W. Sotherton, Game & Wildlife Conservation Trust, Fordingbridge, SP6 1EF, UK
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Effects of supplementary feed for game birds on activity of brown rats Rattus norvegicus on arable farms. MAMMAL RES 2020. [DOI: 10.1007/s13364-020-00539-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
AbstractBrown rats are widespread in agroecosystems, but our understanding of factors affecting their activity is incomplete due to cryptic, nocturnal behaviours. Indirect monitoring methods include tracking plates and camera traps. Supplementary feeding of game birds may provide resources for rats away from farm buildings, allowing them to persist in winter when there is little other food available. Developing reliable methods to monitor such populations will facilitate landscape-scale studies of rat populations in farm environments and aid ecologically based approaches for controlling rats on farms. We compared camera traps and tracking plates to monitor brown rat activity near game bird feeders at a mixed farm in Northumberland, UK. Generalized linear models (GLM) were used to compare rat incidence estimated from camera traps and tracking plates. A strong positive relationship was found between the two methods, although tracking plate estimates were less reliable when rat activity was very low. Factors that affected populations of brown rats near game bird feeders were assessed via linear mixed-effect models (LMM) of monthly tracking plate data (October 2017 to September 2018). Populations were highest at the feeders (0 m) compared with further away (10 m, 20 m) and were also higher in periods of cold, wet weather and when more food was available from the feeders. Rodenticide application near feeders did not significantly affect activity, nor did land cover 100 m around each feeder. A highly significant relationship was detected with food supply, suggesting that the use of game bird feeders could potentially have major impacts on rat population dynamics.
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Feber RE, Johnson PJ, Macdonald DW. Shooting pheasants for sport: What does the death of Cecil tell us? PEOPLE AND NATURE 2020. [DOI: 10.1002/pan3.10068] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Affiliation(s)
- Ruth E. Feber
- Wildlife Conservation Research Unit Recanati‐Kaplan Centre Department of Zoology University of Oxford Oxford UK
| | - Paul J. Johnson
- Wildlife Conservation Research Unit Recanati‐Kaplan Centre Department of Zoology University of Oxford Oxford UK
| | - David W. Macdonald
- Wildlife Conservation Research Unit Recanati‐Kaplan Centre Department of Zoology University of Oxford Oxford UK
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10
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Aebischer NJ. Fifty-year trends in UK hunting bags of birds and mammals, and calibrated estimation of national bag size, using GWCT’s National Gamebag Census. EUR J WILDLIFE RES 2019. [DOI: 10.1007/s10344-019-1299-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Roos S, Smart J, Gibbons DW, Wilson JD. A review of predation as a limiting factor for bird populations in mesopredator-rich landscapes: a case study of the UK. Biol Rev Camb Philos Soc 2018; 93:1915-1937. [PMID: 29790246 DOI: 10.1111/brv.12426] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 04/19/2018] [Accepted: 04/25/2018] [Indexed: 11/26/2022]
Abstract
The impact of increasing vertebrate predator numbers on bird populations is widely debated among the general public, game managers and conservationists across Europe. However, there are few systematic reviews of whether predation limits the population sizes of European bird species. Views on the impacts of predation are particularly polarised in the UK, probably because the UK has a globally exceptional culture of intensive, high-yield gamebird management where predator removal is the norm. In addition, most apex predators have been exterminated or much depleted in numbers, contributing to a widely held perception that the UK has high numbers of mesopredators. This has resulted in many high-quality studies of mesopredator impacts over several decades. Here we present results from a systematic review of predator trends and abundance, and assess whether predation limits the population sizes of 90 bird species in the UK. Our results confirm that the generalist predators Red Fox (Vulpes vulpes) and Crows (Corvus corone and C. cornix) occur at high densities in the UK compared with other European countries. In addition, some avian and mammalian predators have increased numerically in the UK during recent decades. Despite these high and increasing densities of predators, we found little evidence that predation limits populations of pigeons, woodpeckers and passerines, whereas evidence suggests that ground-nesting seabirds, waders and gamebirds can be limited by predation. Using life-history characteristics of prey species, we found that mainly long-lived species with high adult survival and late onset of breeding were limited by predation. Single-brooded species were also more likely to be limited by predation than multi-brooded species. Predators that depredate prey species during all life stages (i.e. from nest to adult stages) limited prey numbers more than predators that depredated only specific life stages (e.g. solely during the nest phase). The Red Fox and non-native mammals (e.g. the American Mink Neovison vison) were frequently identified as numerically limiting their prey species. Our review has identified predator-prey interactions that are particularly likely to result in population declines of prey species. In the short term, traditional predator-management techniques (e.g. lethal control or fencing to reduce predation by a small number of predator species) could be used to protect these vulnerable species. However, as these techniques are costly and time-consuming, we advocate that future research should identify land-use practices and landscape configurations that would reduce predator numbers and predation rates.
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Affiliation(s)
- Staffan Roos
- RSPB Centre for Conservation Science, Edinburgh, EH12 9DH, U.K
| | - Jennifer Smart
- RSPB Centre for Conservation Science, Sandy, SG19 2DL, U.K.,School of Biological Science, University of East Anglia, Norwich, NR4 7TJ, U.K
| | | | - Jeremy D Wilson
- RSPB Centre for Conservation Science, Edinburgh, EH12 9DH, U.K
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Reed JH, Bonter DN. Supplementing non-target taxa: bird feeding alters the local distribution of mammals. ECOLOGICAL APPLICATIONS : A PUBLICATION OF THE ECOLOGICAL SOCIETY OF AMERICA 2018; 28:761-770. [PMID: 29509299 DOI: 10.1002/eap.1683] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 12/07/2017] [Accepted: 12/21/2017] [Indexed: 06/08/2023]
Abstract
Although the effects of bird feeding on avian species have been extensively examined, few studies evaluate the indirect effects of bird feeding on non-target taxa. Bird seed could provide direct nourishment to several mammalian species (e.g., Lagomorpha, Rodentia, and Cetartiodactyla), potentially altering their distribution and behavior with possible unintended consequences for some avian populations, particularly those not directly benefiting from the resource. To examine how bird feeders may influence the presence and behavior of mammals, we used camera traps to quantify differences in the distribution and richness of mammal species frequenting sites with bird feeders and control sites (lacking feeders) in Ithaca, New York, USA. We recorded 15,684 images capturing 12 mammal species with gray squirrel (Sciurus carolinensis) and raccoon (Procyon lotor) detected significantly more often at feeder sites than at control sites. Detections of white-tailed deer (Odocoileus virginianus) marginally increased near feeders whereas detections of several carnivorous species were unrelated to the presence of bird feeders. We recorded larger gray squirrel and raccoon group sizes and greater mammal richness at feeder sites than at nearby control sites. We detected squirrels and raccoons less when snow covered the ground than on snow-free days. Ambient temperature was not a strong predictor of mammal detections. Camera trapping revealed strong, species-specific patterns in the timing of daily visitation to areas with feeders. Because many mammals depredate bird nests, the local increases in mammal richness and activity near bird feeders may create an ecological trap for avian species nesting in close proximity to supplemental feeding stations.
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Affiliation(s)
- J Hunter Reed
- Department of Animal Science, Cornell University, Morrison Hall, 507 Tower Road, Ithaca, New York, 14853, USA
| | - David N Bonter
- Cornell Lab of Ornithology, 159 Sapsucker Woods Road, Ithaca, New York, 14850, USA
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14
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Ruiz-Suárez N, Melero Y, Giela A, Henríquez-Hernández LA, Sharp E, Boada LD, Taylor MJ, Camacho M, Lambin X, Luzardo OP, Hartley G. Rate of exposure of a sentinel species, invasive American mink (Neovison vison) in Scotland, to anticoagulant rodenticides. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 569-570:1013-1021. [PMID: 27387798 DOI: 10.1016/j.scitotenv.2016.06.109] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 06/15/2016] [Accepted: 06/15/2016] [Indexed: 05/12/2023]
Abstract
Anticoagulant rodenticides (ARs) are highly toxic compounds that are exclusively used for the control of rodent pests. Despite their defined use, they are nonetheless found in a large number of non-target species indicating widespread penetration of wildlife. Attempts to quantify the scale of problem are complicated by non-random sampling of individuals tested for AR contamination. The American mink (Neovison vison) is a wide ranging, non-native, generalist predator that is subject to wide scale control efforts in the UK. Exposure to eight ARs was determined in 99 mink trapped in NE Scotland, most of which were of known age. A high percentage (79%) of the animals had detectable residues of at least one AR, and more than 50% of the positive animals had two or more ARs. The most frequently detected compound was bromadiolone (75% of all animals tested), followed by difenacoum (53% of all mink), coumatetralyl (22%) and brodifacoum (9%). The probability of mink exposure to ARs increased by 4.5% per month of life, and was 1.7 times higher for mink caught in areas with a high, as opposed to a low, density of farms. The number of AR compounds acquired also increased with age and with farm density. No evidence was found for sexual differences in the concentration and number of ARs. The wide niche and dietary overlap of mink with several native carnivore species, and the fact that American mink are culled for conservation throughout Europe, suggest that this species may act as a sentinel species, and the application of these data to other native carnivores is discussed.
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Affiliation(s)
- Norberto Ruiz-Suárez
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas, Gran Canaria, Spain
| | - Yolanda Melero
- School of Biological Sciences, University of Aberdeen, Zoology Building, Tillydrone Avenue, Aberdeen AB24 2TZ, Scotland, UK; CREAF, Cerdanyola del Vallés 08193, Spain
| | - Anna Giela
- Pesticides & DWMB Branches, Science and Advice for Scottish Agriculture, Roddinglaw Road, Edinburgh EH12 9FJ, Scotland, UK
| | - Luis A Henríquez-Hernández
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas, Gran Canaria, Spain
| | - Elizabeth Sharp
- Pesticides & DWMB Branches, Science and Advice for Scottish Agriculture, Roddinglaw Road, Edinburgh EH12 9FJ, Scotland, UK
| | - Luis D Boada
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas, Gran Canaria, Spain
| | - Michael J Taylor
- Pesticides & DWMB Branches, Science and Advice for Scottish Agriculture, Roddinglaw Road, Edinburgh EH12 9FJ, Scotland, UK
| | - María Camacho
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas, Gran Canaria, Spain
| | - Xavier Lambin
- School of Biological Sciences, University of Aberdeen, Zoology Building, Tillydrone Avenue, Aberdeen AB24 2TZ, Scotland, UK
| | - Octavio P Luzardo
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas, Gran Canaria, Spain
| | - Gill Hartley
- Pesticides & DWMB Branches, Science and Advice for Scottish Agriculture, Roddinglaw Road, Edinburgh EH12 9FJ, Scotland, UK.
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