The effect of water turbidity on the near-surface water temperature of larval habitats of the malaria mosquito Anopheles gambiae

Krijn Paaijmans, W. Takken, A. K. Githeko, A. F.G. Jacobs

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Water temperature is an important determinant in many aquatic biological processes, including the growth and development of malaria mosquito (Anopheles arabiensis and A. gambiae) immatures. Water turbidity affects water temperature, as suspended particles in a water column absorb and scatter sunlight and hence determine the extinction of solar radiation. To get a better understanding of the relationship between water turbidity and water temperature, a series of semi-natural larval habitats (diameter 0.32 m, water depth 0.16 m) with increasing water turbidity was created. Here we show that at midday (1300 hours) the upper water layer (thickness of 10 mm) of the water pool with the highest turbidity was on average 2.8°C warmer than the same layer of the clearest water pool. Suspended soil particles increase the water temperature and furthermore change the temperature dynamics of small water collections during daytime, exposing malaria mosquito larvae, which live in the top water layer, longer to higher temperatures.

Original languageEnglish (US)
Pages (from-to)747-753
Number of pages7
JournalInternational Journal of Biometeorology
Volume52
Issue number8
DOIs
StatePublished - Nov 1 2008
Externally publishedYes

Fingerprint

Anopheles gambiae
malaria
Culicidae
mosquito
Malaria
Ecosystem
turbidity
surface temperature
water temperature
surface water
Temperature
Water
habitat
water
effect
growth and development
biological processes
solar radiation
water depth
water column

Keywords

  • Aquatic insect ecology
  • Malaria mosquito immatures
  • Shallow water puddles
  • Suspended particles
  • Water temperature dynamics

ASJC Scopus subject areas

  • Ecology
  • Atmospheric Science
  • Health, Toxicology and Mutagenesis

Cite this

The effect of water turbidity on the near-surface water temperature of larval habitats of the malaria mosquito Anopheles gambiae. / Paaijmans, Krijn; Takken, W.; Githeko, A. K.; Jacobs, A. F.G.

In: International Journal of Biometeorology, Vol. 52, No. 8, 01.11.2008, p. 747-753.

Research output: Contribution to journalArticle

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