Results 31 to 40 of about 21,429 (184)

Phlebotominae Sand Flies in Paraguay. Abundance Distribution in the Southeastern Region [PDF]

open access: yes, 2003
From September 1993 to August 2001, 7,190 phlebotomine were collected with CDC light trap in an endemic area for human leishmaniasis, in the departments of Misiones and Itapúa, Paraguay.
Cousiño, Blanca   +6 more
core   +3 more sources

Fish, tributaries of middle Rio Mogi Guaçu, upper rio Paraná basin, São Paulo state, Southeastern Brazil [PDF]

open access: yesCheck List, 2009
In this paper we compiled a fish list obtained from field collections performed between 1999 and 2005 infour tributaries of the Rio Mogi Guaçu, upper Rio Paraná basin, São Paulo State, Brazil.
Oliveira, A. K.   +3 more
doaj   +4 more sources

The Fluvial Forests as Indicators of the Flow and Permanence of Water [PDF]

open access: yes, 2018
We evaluated the influence of the horizontal flows of the Paraná River on the composition and distribution of the floodplain landscape and we defined the ecohydrologicalsignature of some species-index in the low Paraná River section, (27° 38? 04?
Casco, Sylvina Lorena   +2 more
core   +1 more source

Genetic variability and evidence of founder effect in Hemiodus orthonops (Characiformes: Hemiodontidae) from the upper Paraná River basin, Brazil

open access: yesActa 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

Integrative taxonomy elucidates the species of Proloricaria (Siluriformes: Loricariidae) [PDF]

open access: yesNeotropical Ichthyology
The genus Proloricaria is widely distributed throughout the upper Paraná River drainage. Its type-species, Loricaria prolixa, was described from specimens of the Tietê River basin, and the other species, P.
Vitor H. P. Pinheiro   +4 more
doaj   +1 more source

Pisces, Perciformes, Cichlidae, Laetacara dorsigera (Heckel, 1840): distribution extension and first record for Uruguay River basin, and state of Rio Grande do Sul, southern Brazil [PDF]

open access: yesCheck List, 2010
The present study records for the first time the small cichlidae fish Laetacara dorsigera (Heckel, 1840) at Uruguay River basin and state of Rio Grande do Sul, southern Brazil, previously known from Amazon, Paraná and Paraguay River basins.
Luis Lanés   +2 more
doaj   +3 more sources

Extremes in dune preservation: controls on the completeness of fluvial deposits [PDF]

open access: yes, 2015
Understanding sedimentary preservation underpins our ability to interpret the ancient sedimentary record and reconstruct palaeoenvironments and palaeoclimates.
Amsler, Mario Luis   +7 more
core   +1 more source

Phenotypic pattern over centric fusion clinal variation in the water-hyacinth grasshopper, Cornops aquaticum (Orthoptera: Acrididae) [PDF]

open access: yes, 2018
The water-hyacinth grasshopper, Cornops aquaticum, occurs in freshwater environments in the New World between latitudes 23°N and 35°S. At the southernmost margin of this distribution the populations are polymorphic for three centric fusions (Robertsonian
Bownes   +21 more
core   +1 more source

New records of larvae and adults of the invasive golden mussel (Limnoperna fortunei Dunker, 1857) in the Ivaí River (Paraná, Brazil)

open access: yesRevista de Biologia Neotropical, 2021
Golden mussel is a freshwater bivalve native from South Asia, but introduced in South America. It is very aggressive, causing ecological and economic problems in invaded environments.
Danielle Katharine Petsch   +2 more
doaj  

Microlobiusxylon paranaensis gen. et sp. nov. (fabaceae, mimosoideae) from the pliocene-pleistocene of ituzaingó formation, paraná basin, Argentina [PDF]

open access: yes, 2010
A fossil wood with Fabaceae affinity from the Pliocene-Pleistocene sediments of Ituzaingó Formation is described. The silicified wood was collected at the Toma Vieja fossil locality, Paraná Basin, Argentina.
Brea, Mariana, Franco, María Jimena
core   +1 more source

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