Quantifying the wind dispersal of Culicoides species in Greece and Bulgaria

Ducheyne, Els; Deken, R. De; Bécu, S.; Codina, Bernat; Nomikou, Kyriaki; Mangana-Vougiaki, O.; Georgiev, G.; Purse, Bethan V.; Hendrickx, Guy

doi:10.4081/gh.2007.266

Cited by 83 publications

(73 citation statements)

References 25 publications

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“…Its geographical distribution is usually confined to Africa, with two exceptions in Saudi Arabia and Yemen in the year 2000 which clearly demonstrate the potential of the virus to expand and spread to new continents. In the face of climate change, and the experience of other arboviruses, such as bluetongue (Ducheyne et al, 2007) and Chickingunya in Europe or West Nile virus in Europe and America, RVF may well expand its geographical occurrence.…”

Section: Introductionmentioning

confidence: 99%

Perspectives on using remotely-sensed imagery in predictive veterinary epidemiology and global early warning systems

Martin¹,

Simone

Liu

et al. 2007

Geospat Health

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Abstract. Recent disease epidemics and their spread around the world have illustrated the weaknesses of disease surveillance and early warning systems (EWS), both at national and international levels. These diseases continuously threaten the livestock sector on a worldwide basis, some with major public health impact. EWS and accurate forecasting of new outbreaks of epidemic livestock diseases that may also affect wildlife, and the capacity for spread of such diseases to new areas is an essential pre-requisite to their effective containment and control. Because both the geographical and seasonal distribution of many infectious diseases are linked to climate, the possibility of using climaterelated environmental factors as predictive indicators, in association with regular disease surveillance activities, has proven to be relevant when establishing EWS for climate-related diseases. This article reviews the growing importance of using geographical information systems in predictive veterinary epidemiology and its integration into EWS, with a special focus on Rift Valley fever. It shows that, once fully validated in a country or region, this technology appears highly valuable and could play an increasing role in forecasting major epidemics, providing lead time to national veterinary services to take action to mitigate the impact of the disease in a cost-effective manner.

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Section: Introductionmentioning

confidence: 99%

Perspectives on using remotely-sensed imagery in predictive veterinary epidemiology and global early warning systems

Martin¹,

Simone

Liu

et al. 2007

Geospat Health

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“…Meteorological conditions in particular play a signiÞcant role in determining dispersal rates both indirectly, through modifying the impact of cues involved in processes such as host or mate location, or directly via transport on prevailing winds, a phenomenon for which this genus is well known (Sellers 1980, Mellor et al 2000, Carpenter et al 2009a. Because meteorological conditions are relatively straightforward to monitor remotely (through the use of global recording networks), predictive models based on these relationships are increasingly being used as an epidemiological tool to analyze patterns of BTV spread in northern Europe (Ducheyne et al 2007(Ducheyne et al , 2011Gloster et al 2008;Hendrickx et al 2008;Agren et al 2010;Sanders et al 2010).…”

mentioning

confidence: 99%

Investigation of Diel Activity ofCulicoidesBiting Midges (Diptera: Ceratopogonidae) in the United Kingdom by Using a Vehicle-Mounted Trap

et al. 2012

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Truck trap collections of Culicoides biting midges (Diptera: Ceratopogonidae) were made during 2 yr of sampling from 2008 to 2009 at a farm site in southern England. Samples were collected from 810 sample runs carried out over 52 d and contained 7,095 Culicoides of which more than half (50.3%) were identified as Culicoides obsoletus Meigen by using a multiplex polymerase chain reaction assay. Other commonly encountered species included Culicoides scoticus Downes & Kettle (14.7% of total Culicoides caught), Culicoides dewulfi Goetghebuer (3.7%), and Culicoides chiopterus Meigen (4.2%). The activity rates of these species were examined with regard to both meteorological factors (light intensity, humidity, temperature, and wind speed and direction) and other potentially contributing variables (lunar phase and brightness, sunset time, and year) by using generalized linear models. All the species examined were collected in greater abundance at sunset, although the relationship between underlying light intensity and numbers was less pronounced in C. dewulfi and C. chiopterus. Collections of Culicoides were reduced at temperatures above 21 degrees C and were inversely related to wind speed. Variation between species was recorded, however, in response to wind direction: C. dewulfi and C. chiopterus were associated with prevailing winds passing through fields containing livestock, whereas C. obsoletus and C. scoticus demonstrated no such relationship. A male:female ratio of 1:3.56 was observed in catches, and male populations were protandrous. These results are discussed with reference both to the ecology of these species and methods currently used to predict adult Culicoides movement and abundance in Europe.

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“…The indications are that increasing international travel, the globalisation of trade and climate change, among other factors, play an important role in the introduction, establishment and spread of arthropod-borne pathogens (2). In some instances, this is facilitated by the dispersal of vectors over long distances (>100 km) by prevailing winds (3).…”

Section: Introductionmentioning

confidence: 99%

Mosquitoes and Culicoides biting midges: vector range and the influence of climate change

Elbers¹,

Koenraadt²,

Meiswinkel³

2015

Rev. Sci. Tech. OIE

112

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SummaryVector-borne animal diseases pose a continuous and substantial threat to livestock economies around the globe. Increasing international travel, the globalisation of trade, and climate change are likely to play a progressively more important role in the introduction, establishment and spread of arthropod-borne pathogens worldwide. A review of the literature reveals that many climatic variables, functioning singly or in combination, exert varying effects on the distribution and range of Culicoides vector midges and mosquitoes. For example, higher temperatures may be associated with increased insect abundancethereby amplifying the risk of disease transmission -but there are no indications yet of dramatic shifts occurring in the geographic range of Culicoides midges. However, the same cannot be said for mosquitoes: over the last few decades, multiple Asian species have established themselves in Europe, spread and are unlikely to ever be eradicated. Research on how insects respond to changes in climate is still in its infancy. The authors argue that we need to grasp how other annectant changes, such as extremes in precipitation (drought and flooding), may affect the dispersal capability of mosquitoes. Models are useful for assessing the interplay between mosquito vectors expanding their range and the native flora and fauna; however, ecological studies employing classical mark-release-recapture techniques remain essential for addressing fundamental questions about the survival and dispersal of mosquito species, with the resulting parameters fed directly into new-generation disease transmission models. Studies on the eventual impact of mosquitoes on animal and human health should be tackled through large-scale integrated research programmes. Such an approach calls for more collaborative efforts, along the lines of the One Health Initiative.

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Quantifying the wind dispersal of Culicoides species in Greece and Bulgaria

Cited by 83 publications

References 25 publications

Perspectives on using remotely-sensed imagery in predictive veterinary epidemiology and global early warning systems

Perspectives on using remotely-sensed imagery in predictive veterinary epidemiology and global early warning systems

Investigation of Diel Activity ofCulicoidesBiting Midges (Diptera: Ceratopogonidae) in the United Kingdom by Using a Vehicle-Mounted Trap

Mosquitoes and Culicoides biting midges: vector range and the influence of climate change

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