Sponge-dwelling chironomids in the upper Paraná river (Brazil): little known but potentially threatened species
نویسندگان
چکیده
منابع مشابه
On the possible extinction of bird species in the Upper Paraná River floodplain, Brazil.
The Upper Paraná River floodplain (UPR) represents the last stretch of the Paraná River in Brazilian territory where a river-floodplain ecosystem still exists. However, the region had been subjected to intense deforestation in previous decades, and more than half of the original floodplain has been lost due to the construction of the Porto Primavera dam, which may have resulted in the local ext...
متن کاملCyclopidae (Crustacea, Copepoda) from the upper Paraná River floodplain, Brazil.
Cyclopid copepods from samples of fauna associated with aquatic macrophytes and plancton obtained in lotic and lentic environments were obtained from the upper Paraná River floodplain (in the states of Paraná and Mato Grosso do Sul, Brazil). Macrophytes were collected in homogeneous stands and washed. Plankton samples, taken from the water column surface and bottom, were obtained using a motor ...
متن کاملEnvironmental education in the Upper Paraná River floodplain, municipality of Porto Rico (Paraná State), Brazil.
Since 2003, researchers, faculty, graduate and undergraduate students from the State University of Maringá have been working alongside teachers from the state and local schools in the municipality of Porto Rico (Paraná State), located on the banks of the Paraná River. Their objective is to outline actions and strategies with the purpose of building methodological paths to insert environmental e...
متن کاملA new species of sponge-dwelling Oukuriella (Chironomidae) from Brazil.
Oukuriella Epler, 1986 is an exclusively Neotropical genus that comprises two well supported clades: inhabitants of freshwater sponges and inhabitants of immersed wood (saproxylophilic). In this work, males of a new chironomid species, Oukuriella froehlichi sp. n., are described and illustrated. Specimens were collected near stream in the Brazilian Atlantic Forest. Phylogenetic analyses perform...
متن کاملCondition factor in nine species of fish of the Characidae family in the upper Paraná River floodplain, Brazil.
The condition factor for nine species of tropical freshwater fish of the Characidae family in the upper Paraná River floodplain is described. Fish were caught over a period of 12 months (February 1993 to March 1994). Knowledge of the nine species is important for adequate management and maintenance of the biological equilibrium of the ecosystem.
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ژورنال
عنوان ژورنال: Neotropical Entomology
سال: 2008
ISSN: 1519-566X
DOI: 10.1590/s1519-566x2008000500004