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Functional morphology of the tetra fish Astyanax lacustris differs between divergent habitats in the Pantanal wetlands
(Wiley-Blackwell, 2016-08-01)
This study investigated whether the body morphology of the tetra fish Astyanax lacustris ( previously Astyanax asuncionensis) varied between populations inhabiting one lagoon ( a lentic, shallow environment, with great ...
New occurrence of the rare genus Doliocatella (Stigonematales, Cyanophyceae)
(1999-01-01)
A new occurrence of the genus Doliocatella (Cyanophyceae, Cyanobacteria) is reported. The type species of the genus, D. formosa, is described from a stream of the tropical Amazonian rainforest (Manaus, Amazonas State, ...
Pisces, Aquidauana and Miranda drainages, upper Paraguay river basin, Mato Grosso do Sul, Brazil
(2010-01-01)
An inventory of the ichthyofauna of the Aquidauana and Miranda basins is presented. A total of 9,559 individuals of six orders, 21 families and 68 species were sampled in streams (n = 6), rivers (n = 2), and reservoirs (n ...
Modificación de ambientes lóticos para la extracción de carbón a cielo abierto: efectos sobre la biota y recomendaciones
(Universidad Nacional de Colombia - Sede Bogotá - Faculdad de Ciencias - Departamento de Biología, 2018-01-01)
La minería a cielo abierto de carbón posibilitará una serie de modificaciones a diferentes ambientes lóticos en Colombia. En este artículo analizamos el caso de una mina de carbón a cielo abierto ubicada en el departamento ...
Composition and spatio-temporal dynamics of aquatic bird community in humid areas of Alto Parana Atlantic Forest
(Instituto Internacional de Ecologia, 2021-10-25)
The northwestern portion of the Upper Paraná Atlantic Forest ecoregion is one of the most disturbed and fragmented areas in the Atlantic Forest, and little is known about the local avifauna. In this study, we have described ...
Dieta de Pseudocorynopoma doriae (Characiformes: Characidae) en el arroyo de La Choza, Buenos Aires, Argentina
(Instituto de Limnología "Dr. Raúl Ringuelet", 2015-07)
In this paper the objective is to characterize the Pseudocorynopoma doriae diet of the La Choza stream, assessing the relative importance of the contribution of the terrestrial environment to it and compare it with ...
Taphonomic differences in molluscan shell preservation in freshwater environments from the southeastern Pampas, Argentina
(Society for Sedimentary Geology, 2014-12)
Actualistic studies in freshwater environments are scarce, limiting the interpretation of paleoenvironmental information obtained from the fossil record. The objectives of this study are to assess the taphonomic factors ...
Byssal hairs in the invasive Asian freshwater bivalve Limnoperna fortunei (Mytilidae) in the Paraná River system with comments on this species in South America
(Taylor & Francis, 2014-04)
We recorded, for the first time, byssal hairs in the Asian freshwater bivalve Limnoperna fortunei from the Paraná River system. We analysed the presence of hairs and their distribution on the shell in relation to habitat ...
Primer registro de Biremis circumtexta (Bacillariophyceae) para Tucumán, ArgentinaFirst record of Biremis circumtexta (Bacillariophyceae) for Tucumán, Argentina
(Fundacion Miguel Lillo, 2014)
En el presente trabajo se da a conocer el primer registro de Biremis circumtexta (Bacillariophyceae) para Tucumán, Argentina y de datos fisicoquímicos del ambiente lótico estudiado. Se amplía el área de distribución de ...
Actinopterygii, Atheriniformes, Atherinopsidae, Odontesthes bonariensis Valenciennes, 1835: New records for the Plata Basin, Argentina
(Check list, 2013-03)
The silverside Odontesthes bonariensis Valenciennes, 1835 (Figure 1) is distributed in freshwater and estuarine water bodies of Argentina (Ringuelet et al. 1967; Liota 2005; Tombari and Volpedo 2008). The type locality is ...