Journal
IHERINGIA SERIE ZOOLOGIA
Volume 103, Issue 3, Pages 260-265Publisher
FUNDACAO ZOOBOTANICA RIO GRANDE SUL, MUSEU CIENCIAS NATURAIS
DOI: 10.1590/S0073-47212013000300008
Keywords
Aquatic insects; functional feeding groups; environmental changes
Categories
Funding
- Fundacao de Amparo a Pesquisa do Estado de Mato Grosso [098/04]
- CAPES/PROCAD [109/2007]
- CNPq (PELD) [558069/2009-6]
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We analyzed the effects of environmental factors on abundance, species richness, and functional group richness of Leptophlebiidae in 16 sampling points along four Cerrado streams. Across three periods of 2005, we collected 5,492 larvae from 14 species in stream bed substrate. These species belong to three functional feeding groups: scrapers, filtering collectors and shredders. The abundance and species richness were not affected by water quality, but habitat quality related to presence of riparian vegetation had positive effects on the abundance of shredders. Our results add important information on the natural history of the species and functional groups of aquatic insects and also provide relevant data for the monitoring and conservation of streams in the Brazilian Cerrado.
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