Climatic and landscape correlates for potential West Nile virus mosquito vectors in the Seattle region

Pecoraro, Heidi L.; Day, Heather L.; Reineke, Robert A.; Stevens, Nathan E.; Withey, John C.; Marzluff, John M.; Meschke, John Scott

doi:10.3376/1081-1710(2007)32[22:calcfp]2.0.co;2

Cited by 45 publications

(44 citation statements)

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“…Pecoraro et al (2007) found relationships between WNV and landscape and climate (this is also relevant to climate change concerns, to be discussed later).…”

Section: West Nile Virusmentioning

confidence: 92%

Wetlands and mosquitoes: a review

Dale

Knight

2008

Wetlands Ecol Manage

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This review brings together information on mosquitoes, the diseases they transmit and the wetlands that provide habitats for the immature stages (eggs and larvae). Wetland values are mentioned, though the main literature on this does not generally overlap the mosquito issue. Mosquito management is overviewed to include: the use of larvicides, source reduction in intertidal wetlands and management in freshwater systems. There is not a great deal of information on mosquitoes and freshwater systems, except for constructed wetlands and they are considered separately. We then consider restoration mainly in the context of wetlands that have been the subject of habitat modification for mosquito control. Land use and climate change, as they affect mosquitoes and the diseases they transmit, are also reviewed, as this will affect wetlands via management activities. Finally the review addresses the critical issue of balancing health, both human and environmental, in an adaptive framework. It concludes that there is a need to ensure that both mosquito and wetland management communicate and integrate to sustain wetland and human health.

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“…Pecoraro et al (2007) found relationships between WNV and landscape and climate (this is also relevant to climate change concerns, to be discussed later).…”

Section: West Nile Virusmentioning

confidence: 92%

Wetlands and mosquitoes: a review

Dale

Knight

2008

Wetlands Ecol Manage

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“…Other epidemiologic investigations have found similar associations between warmer than normal temperatures in the months before a WNV season and increased human disease cases using a variety of meteorological measures including fewer cold winter days, 25 warmer mean minimum temperature in January, 26 warmer winter temperatures, 27 and monthly temperature anomalies from the 30-year average. 28 Higher temperature favors greater larval 29 and adult mosquito abundance, [30][31][32][33] likely caused by the acceleration of larval emergence, development and adult reproduction, and more successful overwintering of adults or eggs. 34,35 The rate of WNV replication in adult mosquitoes is also positively associated with temperature, which reduces the time interval between a blood meal to when an adult mosquito can transmit the virus to another host 36 and results in an augmented mosquito infection rate.…”

Section: Discussionmentioning

confidence: 99%

Meteorological Conditions Associated with Increased Incidence of West Nile Virus Disease in the United States, 2004–2012

Hahn¹,

Monaghan²,

Hayden³

et al. 2015

The American Society of Tropical Medicine and Hygiene

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Abstract. West Nile virus (WNV) is a leading cause of mosquito-borne disease in the United States. Annual seasonal outbreaks vary in size and location. Predicting where and when higher than normal WNV transmission will occur can help direct limited public health resources. We developed models for the contiguous United States to identify meteorological anomalies associated with above average incidence of WNV neuroinvasive disease from 2004 to 2012. We used county-level WNV data reported to ArboNET and meteorological data from the North American Land Data Assimilation System. As a result of geographic differences in WNV transmission, we divided the United States into East and West, and 10 climate regions. Above average annual temperature was associated with increased likelihood of higher than normal WNV disease incidence, nationally and in most regions. Lower than average annual total precipitation was associated with higher disease incidence in the eastern United States, but the opposite was true in most western regions. Although multiple factors influence WNV transmission, these findings show that anomalies in temperature and precipitation are associated with above average WNV disease incidence. Readily accessible meteorological data may be used to develop predictive models to forecast geographic areas with elevated WNV disease risk before the coming season.

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“…In the Northwest, a study found that the abundance of potential WNV vector species increased with increasing urbanization. 36 This study concentrated on the urban center of Seattle, and of the 26 sites sampled, only 4 were not classified as urban or suburban. This uneven distribution of sites along an urban gradient could contribute to the apparent contradiction with our results.…”

Section: Discussionmentioning

confidence: 99%

“…tarsalis in Western regions. 5,6,10,11,[31][32][33][34][35][36][37][38] Supplemental Figure S2 has a range map of these species. 24 A few studies have reported results that were contradictory to our findings.…”

Section: Discussionmentioning

confidence: 99%