Results 41 to 50 of about 47,996 (245)
Fish, Barra Bonita River, upper Paraná River basin, state of Paraná, Brazil. [PDF]
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
Rickettsia parkeri in Argentina
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
First record of Pithophora oedogonia (Montagne) Wittrock (Pithophoraceae) in the Upper Paraná River floodplain, Brazil [PDF]
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
Ichthyological ecoregions of Argentina [PDF]
The Argentine Republic is situated in the southernmost portion of the American continent, occupying over 2,785,600 km2 not including the Antarctic territory. The country ranges from subtropical areas (21º46’S) to subantarctic regions (55º03’S), extending
López, Hugo Luis +2 more
core
ABSTRACT This study presents an innovative assessment model for analyzing the evolution of degraded soils subjected to different reclamation strategies. The proposal combines statistical and artificial intelligence tools to jointly integrate multiple physical and chemical soil properties, allowing for a more synthetic view of the processes.
Melissa Alexandre Santos +7 more
wiley +1 more source
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
Fishes (Osteichthyes: Actinopterygii) from the Pirapó River drainage, upper Paraná River basin, Paraná state, Brazil [PDF]
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
Taxonomy and diversity of Marcgraviaceae, north of the São Francisco river, northeast Brazil
This study provides a comprehensive assessment of Marcgraviaceae species diversity north of the São Francisco river in northeastern Brazil, analyzing species richness and distribution patterns across 384 000 km² of phytogeographic domains. Through field collections, herbarium studies (both physical and digital), and detailed morphological analyses, we ...
Thales Carvalho +4 more
wiley +1 more source
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
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

