NDLI: Diversity of chironomid larvae in palustrine wetlands of the coastal plain in the south of Brazil

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Diversity of chironomid larvae in palustrine wetlands of the coastal plain in the south of Brazil

Content Provider	Springer Nature Link
Author	Panatta, Álan Stenert, Cristina Fagondes de Freitas, Suzana Maria Maltchik, Leonardo
Copyright Year	2006
Abstract	The Chironomidae of tropical South America are a very rich species, but are scarcely known. The range of environmental conditions under which chironomids are found is more extensive than that of any other group of aquatic insects. The objectives of this study were to carry out a diversity survey of chironomid larvae in wetland systems of the coastal plain in the south of Brazil and to analyze the effects of area, altitude, water conductivity, nitrate and phosphorus concentrations, and the life form of the dominant plant species on chironomid richness and composition. Collections were carried out from March to April in 2002. A total of 30 taxa (23 morphospecies and 7 species) distributed along 23 genera were found, and the Chironominae showed the greatest richness, followed by Tanypodinae and Orthocladiinae. The chironomid richness was higher in the emergent than in the multistratified wetland class. The wetland area, altitude, nitrate and phosphorus concentrations, and water conductivity did not influence the richness of Chironomidae. The Chironomidae genera and species were present in both the wetland classes (emergent and aquatic bed vegetation). However, while Chironominae were more frequent in the emergent than in the aquatic bed wetlands, no difference was observed for Tanypodinae. The aquatic vegetation was an important environmental predictor for chironomid larvae richness in the studied wetlands in the south of Brazil.
Starting Page	23
Ending Page	30
Page Count	8
File Format	PDF
ISSN	14398621
Journal	Limnology
Volume Number	7
Issue Number	1
e-ISSN	1439863X
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-01-01
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Chironomidae Community structure Wetlands Aquatic vegetation South of Brazil Environment Ecology Hydrobiology
Content Type	Text
Resource Type	Article
Subject	Ecology Aquatic Science Water Science and Technology

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