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Elliott, John E.; Wilson, Laurie; Langelier, Ken M.; Mineau, Pierre; Sinclair, Pamela H.

doi:10.1023/a:1018626811092

Cited by 42 publications

(5 citation statements)

References 15 publications

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“…Another bias could also be motivated by the fact that in some cases, deaths may occur far away from or sometime after exposure. These cases are more likely to be secondary poisonings since baits in primary poisonings often contents high concentration of toxicants, and thus death occurs near the site where the bait is placed and shortly after exposure (Elliot et al 1997;Mineau et al 1999). Our results suggest that secondary poisonings are found in the Egyptian vulture (13.1%) at a similar frequency to that of the bearded vulture (12%, Margalida et al 2008a) but more frequently than in other vulture species as the cinereous vulture Aegypius monachus (4.5%, Hernández and Margalida 2008) and may also explain the high proportion of cases of adult mortality found in nests or close to nests.…”

Section: Discussionmentioning

confidence: 99%

“…Screening for poisons included insecticides (organophosphates and carbamates, organochlorines, and pyrethroids), rodenticides, and other vertebrate poisons such as alfachloralose, strychnine, metaldehyde, arsenic, cyanide, and euthanasia agents. Methodology for toxicological analyses was described elsewhere (Henny et al 1987;Warnock and Schwarzbach 1995;Allen et al 1996;Elliot et al 1996Elliot et al , 1997Wobeser et al 2004;). Laboratories had set up a quality assurance/quality control policy including the analysis of blanks, spiked samples, or both and calibration curves.…”

Section: Data Collectionmentioning

confidence: 99%

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Poison-related mortality effects in the endangered Egyptian vulture (Neophron percnopterus) population in Spain

Hernández¹,

Margalida²

2009

Eur J Wildl Res

108

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A total of 211 poisoning incidents registered over the period 1990-2007 and affecting 294 Egyptian vultures (Neophron percnopterus) were studied to address the impact of poison-related mortality in the Spanish population. Poison-related mortality mainly affected the birds on an individual level, with low numbers of individuals being found in each incident (mean 1.39) with 94.9% being adults. Deaths were largely recorded (81.8%) during the breeding season, with mortality peaking during May and June (52.1%). In contrast with other raptor species, a high proportion of adult individuals (74.2%) were found in the nest or its surroundings. Age-related differences in the poisoning rate are probably related with different feeding and behavioral strategies between age classes. The illegal use of poison to control predators was the main cause of mortality (93.8%), and particularly in small hunting reserves (74.9%), since the kind of food resources that adults exploit are coincident with the type of baits employed to illegally control predators and the preferred habitat coincides with areas of small game hunting. Our results suggest that poisoning is probably one of the main causes of Egyptian vulture mortality in Spain. The eradication of the illegal use of poisoning and supplementary feeding in specific territories to provide safe food seems priority for its conservation.

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Section: Discussionmentioning

confidence: 99%

Section: Data Collectionmentioning

confidence: 99%

Poison-related mortality effects in the endangered Egyptian vulture (Neophron percnopterus) population in Spain

Hernández¹,

Margalida²

2009

Eur J Wildl Res

108

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“…Birds can be one of the easiest groups of animals to census, so are undoubtedly one of the most frequently watched and monitored of all vertebrate taxa. Consequently, surveillance of avian populations has been used in many studies in an attempt to quantify the environmental impacts of pesticide applications for locust and grasshopper control elsewhere in the world (Bruggers et al 1986;Brewer et al 1988;Buerger et al 1991;Frank et al 1991;Elliott et al 1997;Boutin et al 1999;Goldstein et al 1999aGoldstein et al , 1999bMineau et al 2005). Bird surveys offer a cost effective and non-invasive method of monitoring for broad-scale, acute effects of pesticide exposure on avian communities in ecologically sensitive areas.…”

Section: Discussionmentioning

confidence: 99%

Avian assemblages are maintained after aerial applications of ULV fenitrothion for control of the Australian plague locust (Chortoicetes terminifera (Walker)) in arid and semiarid agroecosystems

Story

French

2023

Wildlife Res.

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Context Risk assessments currently undertaken to approve pesticides for use against locusts in Australia are predominated by laboratory-generated data, often collected from non-endemic species. Very little information exists concerning the potential ecological effects of insecticides used for locust control. Aim To determine the effect of aerial ultra-low volume (ULV) applications of the organophosphorous insecticide, fenitrothion (used for locust control), on avian assemblages in arid and semiarid agro-ecosystems. Methods Avian abundance was surveyed in pesticide-exposed and unexposed locations during standard locust control operations, using fenitrothion, in western New South Wales and Queensland in the spring and summer of 1996, 1997 and 2000, using a transect-point method. Temporal changes in assemblages were analysed using multi-dimensional ordination (MDS) and permutational analysis of variance (PERMANOVA) with PRIMER (V7). Key results Avian assemblages varied over time, independent of pesticide application, reflecting significant redistribution and mobility of birds across a highly disturbed agricultural landscape, irrespective of pesticide exposure. Additionally, pesticide exposure did not affect species abundance or diversity. Conclusions There was no evidence that ultra-low volume (ULV) applications of fenitrothion, currently used in locust control, are impacting avian assemblages, despite previous research indicating that individual birds co-occurring with spray operations suffer suppressions in the enzymatic biomarker for OP exposure, plasma acetylcholinesterase (AChE). Implications Although the risk to avian assemblages associated with the aerial application of locusticides is reduced by the small proportion of the landscape where locust control activities are focused, any change in spray application parameters would necessitate a re-evaluation of the risks associated with insecticide exposure.

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“…While the concept of seed treatment provides efficient, economic and relatively effective pesticide use by application of limited quantities of pesticide to the total crop area, the prophylactic nature of these treatments does not conform to current integrated pest management methods and may lead to continual usage irrespective of pest densities and economic injury levels. In addition, seed treatments may pose a serious risk to non-target birds and mammals [10][11][12]. Moreover, the potential side-effects of the introduction of seed treatments with neonicotinoid active substances on vertebrates and invertebrates, particularly bees, are contentious [13][14][15][16][17][18] The rapid increase in the use of neonicotinoid seed treatments in Northern Ireland arable crops, particularly on winter wheat, following their introduction in 2006, was similar to that recorded by Douglas and Tooker [19] in the United States where these seed treatments were driving increased pre-emptive pest management in that region.…”

Section: Discussionmentioning

confidence: 99%

Pesticide Use in Northern Ireland’s Arable Crops from 1992–2016 and Implications for Future Policy Development

et al. 2018

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Abstract:Since the 1960s, the objective for the United Kingdom (UK) government policy and legislation on crop protection practices has been to minimise the impact of pesticide use in agriculture and horticulture to the wider environment. Subsequent European Union (EU) policy and legislation have also targeted this objective through a demanding approvals process, competency tests for users, maximum residue limits, regular post-registration monitoring and the promotion of integrated pest and disease management techniques. However, none of this substantive regulation refers to target reduction levels for pesticide use. Since 1992, the number of arable farms in Northern Ireland has decreased by 61% with a consequent reduction of 34% in the area of arable crops grown. Despite this reduction in area of arable crops grown, the area treated by the major pesticide groups increased by 49% due to intensification, but the weight of major pesticides applied to arable crops decreased by 37%. However, the intensity of application measured by the total quantity of all pesticides applied to the basic area of arable crops treated remained relatively constant at approximately 3.2 kg/ha. Pesticide usage trends and reduction policies in other geographic regions are also discussed for comparative purposes.

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Untitled

Cited by 42 publications

References 15 publications

Poison-related mortality effects in the endangered Egyptian vulture (Neophron percnopterus) population in Spain

Poison-related mortality effects in the endangered Egyptian vulture (Neophron percnopterus) population in Spain

Avian assemblages are maintained after aerial applications of ULV fenitrothion for control of the Australian plague locust (Chortoicetes terminifera (Walker)) in arid and semiarid agroecosystems

Pesticide Use in Northern Ireland’s Arable Crops from 1992–2016 and Implications for Future Policy Development

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