GREENING UP FOR MOSQUITOES: A COMPARISON OF GREEN STORMWATER INFRASTRUCTURE IN A SEMIARID REGION

Heidi E Brown, Ladd Keith, Valerie Madera-Garcia, Anissa Taylor, Nicholas Ramirez, Irene Ogata

Research output: Contribution to journalArticlepeer-review

Abstract

Green stormwater infrastructure provides environmental, economic, and health benefits as a strategy for building resilience against climate change impacts. However, it may inadvertently increase vulnerability due to improper design and construction or lack of maintenance. We engaged city stakeholders and a diverse student group to investigate possible maladaptation. After rain events, student interns collected data at green stormwater infrastructure, identified in partnership with city stakeholders, for both water retention and mosquito larvae, if present. During the sampling period in 2018, 24 rain events occurred, with 28 sites visited 212 times including visits to basins (63%), curb cuts (34%), and a bioswale (2%). The largest basin consistently retained water (mean: 3.3 days, SD: 2.3 days) and was a positive site for Culex quinquefasciatus, a West Nile virus vector. We found that while basins can become mosquito breeding habitat, there was no evidence that curb cuts were collecting and retaining water long enough. As cities turn to green stormwater infrastructure to address climate change impacts of increasing drought, flooding, and extreme heat, these findings can help in the selection of appropriate infrastructure design typologies.

Original languageEnglish (US)
Pages (from-to)109-112
Number of pages4
JournalJournal of the American Mosquito Control Association
Volume38
Issue number2
DOIs
StatePublished - Jun 1 2022

Keywords

  • Climate adaptation
  • green stormwater infrastructure
  • maladaptation
  • resilience
  • West Nile virus

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Public Health, Environmental and Occupational Health
  • Insect Science

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