Results 21 to 30 of about 3,446 (190)
Fish, Barra Bonita River, upper Paraná River basin, state of Paraná, Brazil. [PDF]
Check List, 2008 The Barra Bonita River is an affluent of the left margin of the Ivaí River, upper Paraná River basin. Fishsamples were conduced in November 2006 (spring) and in February 2007 (summer), in three sampling stations alongthe Barra Bonita River, using gill ...
Bifi, A. G. +3 more
doaj +4 more sources
Conservation status and bio-ecology of Brycon orbignyanus (Characiformes: Bryconidae), an endemic fish species from the Paraná River basin (Brazil) threatened with extinction [PDF]
Neotropical Ichthyology, 2019 Brycon orbignyanus is an endemic species from La Plata basin whose stocks have been presenting significant reductions throughout the Paraná River. Brycon orbignyanus is categorized as an endangered species. This study evaluated aspects of the bio-ecology
Lívia Helena Tonella +4 more
doaj +1 more source
River-floodplain interactions: nutrient concentrations in the Lower Paraná River [PDF]
Fundamental and Applied Limnology, 1998 Changes in water chemistry along the lower 500 km stretch of the Parana River were assessed. The water composition of the river and of a representative floodplain marsh were compared. Short-term changes in nutrient concentrations were monitored in marsh enclosures filled with river water in order to simulate the nutrient dynamics under floodplain ...
Villar, Carlos Alberto +3 more
openaire +1 more source
Acta Limnologica Brasiliensia, 2017 Aim: Describe the limnological pattern in a longitudinal gradient in the Paraná River, a highly dammed river, in a stretch localized between two dams, but rich in undammed tributaries.
Natália Fernanda Santana +5 more
doaj +1 more source
First record of Pithophora oedogonia (Montagne) Wittrock (Pithophoraceae) in the Upper Paraná River floodplain, Brazil [PDF]
Check List, 2015 Pithophora is the only genus recorded of the Pithophoraceae family in Brazil. Pithophora specimens were found close to banks of Hydrilla verticillata (L.F.) Royle in the Upper Paraná River floodplain.
Vanessa Algarte +3 more
doaj +3 more sources
Rickettsia parkeri in Argentina
Emerging Infectious Diseases, 2008 Clinical reports of an eschar-associated rickettsiosis in the Paraná River Delta of Argentina prompted an evaluation of Amblyomma triste ticks in this region. When evaluated by PCR, 17 (7.6%) of 223 questing adult A.
Santiago Nava +5 more
doaj +1 more source
Fishes (Osteichthyes: Actinopterygii) from the Pirapó River drainage, upper Paraná River basin, Paraná state, Brazil [PDF]
Check List, 2012 In this study we conducted an ichthyofaunistic survey in the Pirapó River drainage, upper Paraná River basin, based on voucher specimens deposited in the Coleção Ictiológica do Nupélia/UEM.
João Pagotto +3 more
doaj +3 more sources
Revista Brasileira de Geomorfologia, 2023 Confluences are places of complex interaction of flow and sediments coming from different channels. Studies at large confluences have advanced the understanding of these environments on a larger scale.
Altair Bennert +3 more
doaj +1 more source
Acta Scientiarum: Biological Sciences, 2017 Hemiodus orthonops is a small fish of the Hemiodontidae family, order Characiformes, with a maximum of 25 cm standard length. Until recently, H. orthonops was an endemic species from the Paraná-Paraguay basin and it was absent from the upper Paraná ...
Liégie Alher Marques, Erasmo Renesto
doaj +1 more source
Acta Scientiarum: Biological Sciences, 2012 Characidae is the largest and more diversified family from Characiformes and presents several classification problems, with several genera currently allocated as incertae sedis, such as the genus Hemigrammus.
Thiago Cintra Maniglia +5 more
doaj +1 more source