Journal
ACTA TROPICA
Volume 163, Issue -, Pages 121-129Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.actatropica.2016.08.010
Keywords
Polluted urban rivers; Immature mosquito density; Water quality parameters; Habitat factors; Mosquito species
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Funding
- National Natural Science Foundation of China [51278192]
- National Science and Technology Major Project of China on Water Pollution Treatment and Control [2013ZX07310001, 2012ZX07101012]
- Putuo personnel project [2014-A-18]
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Whether ecological restoration of polluted urban rivers would provide suitable breeding habitats for some mosquitoes was not clear yet. It was therefore important to determine how altered river conditions influence mosquito ecology. Monthly data on water quality and larval density were obtained to determine the effects of river systems on the distribution and abundance of immature mosquitoes in two coastal cities in Eastern China. In total, 5 species within two genera of mosquitoes were collected and identified in habitat with vegetation from three positive rivers. Culex pipiens pallens was the most abundant and widely distributed species. A new species (Culex fuscanus) was reported in certain districts. Physico-chemical parameters of river water were important, but not the only, set of influences on immature mosquito breeding. Aquatic vegetation could increase the likelihood of mosquito breeding while artificial aeration might prevent the approach of mosquitoes. Slow-moving water might be a new potential marginal habitat type for some Culex and Aedes albopictus. Variation of river system with ecological restoration might influence the abundance and distribution of immature mosquitoes. (C) 2016 Published by Elsevier B.V.
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