Austrodiplostomum compactum (Platyhelminthes: Digenea) parasita os olhos de várias de espécies de peixes. A presença deste parasito, em casos extremos, pode causar exoftalmia, deslocamento da retina, opacidade do cristalino e cegueira ou até a morte.
Fábio Hideki Yamada +4 more
doaj +1 more source
Actinopterygii, Siluriformes, Loricariidae, Loricariichthys platymetopon Isbrücker and Nijssen, 1979: first record in Reservoir of Canoas II, Middle Paranapanema River, border of the states of São Paulo and Paraná, Brazil [PDF]
First record of the “cascudo”, Loricariichthys platymetopon Isbrücker and Nijssen, 1979 in Canoas II Reservoir (Middle Paranapanema River, border of the states of São Paulo and Paraná, Brazil).
Ana Souto +4 more
doaj +3 more sources
Using causal maps to support ex-post assessment of social impacts of dams [PDF]
This paper presents the results of an ex-post assessment of two important dams in Brazil. The study follows the principles of Social Impact Management, which offer a suitable framework for analyzing the complex social transformations triggered by ...
Aledo, Antonio +2 more
core +2 more sources
Isolated Trees in a Fragmented Tropical Landscape: A View Through the Soil Seed Bank
Here, we investigated patterns of plant species diversity, abundance, and composition in the soil seed banks of cattle pastures, under fleshy‐fruited, and nonfleshy‐fruited trees within pastures, and in secondary forest patches at ten study sites in Brazil.
Samantha A. Allbee +3 more
wiley +1 more source
Ichthyofauna diet changes in response to urbanization: the case of upper Paranapanema River basin (Brazil) [PDF]
Alterations in stream environments can alter fish food availability, but there is little research data related to the impacts of urbanization on fish diets in tropical streams. Thus, we sought to compare the diet of ten fish species in urbanized and non-urbanized streams reaches.
Alexandre Peressin +2 more
openaire +3 more sources
Biologia e características populacionais de uma espécie rara de Pseudopimelodidae da Bacia do Alto Rio Paraná [PDF]
Streams contain an expressive fraction of the South American fish diversity, mostly composed of small-sized, endemic, and rare species. Populational, reproductive, and diet aspects of Microglanis garavelloi were studied, aiming to make a wide ...
ARCIFA, Marlene Sofia +1 more
core +1 more source
This study presents the first record of the sardine Platanichthys platana (Regan, 1917) in the Paranapanema River basin and provides insights into the species' ecological traits.
João Daniel Ferraz +5 more
doaj +1 more source
The preservation of the genetic variability of hatchery stocks used to supplement natural populations is a priority. Current study employed RAPD markers to examine the genetic diversity of dourado samples from the middle Paranapanema river and from the ...
Fernanda Simões de Almeida +4 more
doaj +1 more source
The expansion of Araucaria forest in the southern Brazilian highlands during the last 4000 years and its implications for the development of the Taquara/Itararé Tradition [PDF]
Reproduced with permission of the publisher. Copyright © Maney Publishing 2007.An examination of the late Holocene environmental and cultural sequences of the southern Brazilian highlands indicates that the colonisation of this region by the Taquara ...
Behling, Hermann, Iriarte, José
core +1 more source
Longitudinal changes in composition, abundance, and distribution of copepods were studied at the transition zone of Paranapanema River-Jurumirim Reservoir (SP, Brazil).
S. M. C. Casanova, R. Henry
doaj +1 more source

