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1 December 2010 Influence of Competing and Predatory Invertebrate Taxa on Larval Populations of Mosquitoes in Temporary Ponds of Wetland Areas in Germany
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Abstract

Abundances of mosquito larvae and associated invertebrate communities were assessed in 27 temporary ponds during the spring season in wetland areas of Germany. Four genera of mosquitoes were identified: Aedes, Anopheles, Culex, and Culiseta. We focused our analyses on Aedes spp. because this genus was the most abundant (92% of total abundance) and frequently encountered mosquito (present in 65% of investigated sites). The abundance of Aedes spp. was negatively associated with the abundance of competitors for food, and to a lesser extent with those of intraguild predators and strict predators. The influence of these natural antagonists on larvae of Aedes was stronger in ponds with higher levels of dissolved oxygen (53 ± 4%) than in ponds with lower levels (16 ± 1%). The overall abundance of antagonists explained 42% of the variation in abundance of Aedes spp. at sites with higher levels of dissolved oxygen. Of this explained variation, competitors accounted for 34.7%, whereas the abundance of intraguild predators and strict predators accounted for only 6.8 and 0.5%, respectively. Therefore, the promotion of competing species might be an appropriate ecological approach for the control of Aedes spp. in temporary ponds in these areas.

Alvine Larissa Meyabeme Elono, Matthias Liess, and Sabine Duquesne "Influence of Competing and Predatory Invertebrate Taxa on Larval Populations of Mosquitoes in Temporary Ponds of Wetland Areas in Germany," Journal of Vector Ecology 35(2), 419-427, (1 December 2010). https://doi.org/10.1111/j.1948-7134.2010.00101.x
Received: 20 April 2010; Accepted: 1 September 2010; Published: 1 December 2010
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