Journal
ENVIRONMENTAL ENTOMOLOGY
Volume 42, Issue 4, Pages 605-613Publisher
OXFORD UNIV PRESS INC
DOI: 10.1603/EN12199
Keywords
exogenous factors; phenology; Culex pipiens; Jeju-do; urban ecology
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Funding
- Korea Center for Disease Control
- Environmental Health Center Jeju National University School of Medicine
- Japan Society for the Promotion of Science
- Nagasaki University Cooperative Grant
- Global COE Program on Emerging and Infectious Tropical Diseases of Japan's Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
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Seasonal changes in the abundance of exothermic organisms can be expected with climate change if warmer temperatures can induce changes in their phenology. Given the increased time for ectothermic organism development at lower temperatures, we asked whether population dynamics of the house mosquito, Culex pipiens s.l. (L.) (Diptera: Culicidae), in Jeju-do (South Korea), an island with a gradient of warming temperatures from north to south, showed differences in sensitivity to changes in temperature along the warming gradient. In addition, we asked whether synchrony, that is, the degree of concerted fluctuations in mosquito abundance across locations, was affected by the temperature gradient. We found the association of mosquito abundance with temperature to be delayed by 2 wk in the north when compared with the south. The abundance across all our sampling locations had a flat synchrony profile that could reflect impacts of rainfall and average temperature on the average of all our samples. Finally, our results showed that population synchrony across space can emerge even when abundance is differentially impacted by an exogenous factor across an environmental gradient.
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