Results 11 to 20 of about 1,473 (149)

Fish fauna of headwater streams that cross the Atlantic Forest of south São Paulo state [PDF]

Check List, 2012
The fishes of the present study were collected in the headwater streams of the Sorocaba, Paranapanema and Ribeira de Iguape river basins during the dry period in 2010. A total of 2892 fishes, grouped in 53 species, were captured.
Mauricio Cetra, Walter Barrella, Francisco Neto, Abílio Martins, Bruno Mello, Rodrigo Almeida   +5 more
doaj   +5 more sources

Molecular and morphological data of the freshwater fish Glandulocauda melanopleura (Characiformes: Characidae) provide evidences of river captures and local differentiation in the Brazilian Atlantic Forest. [PDF]

PLoS ONE, 2018
The current distribution of freshwater fishes across multiple basins along Eastern Brazil can be associated to two main events: river captures or temporary paleoconnections.
Priscila Camelier, Naércio Aquino Menezes, Guilherme José Costa-Silva, Claudio Oliveira   +3 more
doaj   +2 more sources

Transposição e hidrelétricas: o desconhecido Vale do Ribeira (PR-SP) [PDF]

Estudos Avançados, 2012
A Bacia do Rio Ribeira do Iguape, com sua imagem usualmente associada à preservação ambiental, às cavernas, ao extrativismo e aos povos tradicionais (quilombolas, índios, pescadores), é aqui reapresentada, descrevendo importantes áreas geoeconômicas da ...
A. Oswaldo Sevá Filho, Luciana Maria Kalinowski   +1 more
doaj   +4 more sources

Avaliação do impacto da agricultura em áreas de proteção ambiental, pertencentes à bacia hidrográfica do rio ribeira de iguape, São Paulo Assessment of the impact of agriculture on environmental preservation aers of the ribeira de iguare river, São Paulo

Química Nova, 2007
In order to ascertain the impact of agricultural activities on water quality of the Ribeira de Iguape River Basin in the state of São Paulo, surface water areas for catchment and drinking water have been characterized.
Maria Nogueira Marques, Marycel Barbosa Cotrim, Maria Aparecida Faustino Pires, Osvaldo Beltrame Filho   +3 more
doaj   +2 more sources

First adult record of Misgurnus anguillicaudatus, Cantor 1842 from Ribeira de Iguape River Basin, Brazil Primeiro registro de um indivíduo adulto de Misgurnus anguillicaudatus, Cantor 1842 do rio Ribeira de Iguape, Brasil

Acta Limnologica Brasiliensia, 2011
AIM: This work aimed to describe a first record of Misgurnus anguilicaudatus, Cantor 1842 in São Paulo state, as well as your potential impacts on native populations. METHODS: The specimen was caught by eletro-fishing device, in Itaguapeva river, Ribeira
Caio Isola Dallevo do Amaral Gomes, Alexandre Peressin, Mauricio Cetra, Walter Barrella   +3 more
doaj   +1 more source

Establishing new grid-size-dependent attributes to rank areas of endemism for conservation priorities. [PDF]

Cladistics
Abstract Delineating Areas of Endemism (AEs) is crucial for identifying priority areas for biodiversity conservation in a spatial planning framework. Endemicity Analysis in the NDM/VNDM software is one of the primary methodologies for its delineation.
Frota A, da Graça WJ.
europepmc   +2 more sources

Gas Chromatography Coupled to High Resolution Time-of-Flight Mass Spectrometry as a High-Throughput Tool for Characterizing Geochemical Biomarkers in Sediments. [PDF]

Int J Anal Chem, 2018
The performance of gas chromatography coupled to high‐resolution time‐of‐flight mass spectrometry (GC‐HRTofMS) for characterizing geochemical biomarkers from sediment samples was evaluated. Two approaches to obtain the geochemical biomarkers were tested: (1) extraction with organic solvent and subsequent derivatization and (2) in‐situ derivatization ...
Koolen HHF, Klitzke CF, Binkley J, Patrick J, de Albergaria-Barbosa ACR, Weber RR, Bícego MC, Eberlin MN, Bataglion GA.   +8 more
europepmc   +2 more sources

A new species of Characidium (Characiformes: Crenuchidae) from the Iguaçu National Park, Rio Iguaçu basin, Paraná, Brazil. [PDF]

J Fish Biol
Abstract A new species of Characidium is described from the Iguaçu National Park, Brazil. The new species can be diagnosed from the congeners by the absence of conspicuous vertical bars, blotches and spots along the sides of the body, the presence of a scaled isthmus and adipose fin, a series of scales below lateral line and the presence of a thin dark
Stabile BHM, Dos Reis RB, de Oliveira AV, da Graça WJ.   +3 more
europepmc   +2 more sources

Ichthyofauna from “serranias costeiras” of the Ribeira de Iguape River basin, Southeast Brazil [PDF]

Biota Neotropica, 2020
Abstract: The Ribeira de Iguape River basin has about 100 fish species. This study aimed to characterize the fish community from “serranias costeiras” of the Ribeira de Iguape River basin. Samplings were conducted with electrofishing during the dry season in the years 2018-2019. The sampling effort consisted of 30 streams stretches.
Mauricio Cetra, George Mattox, Perla Bahena Romero, Stephanie Hernández Escobar, Euriluce Aparecida Guimarães, Rubens Antonio Felipe Turin   +5 more
openaire   +2 more sources

Physical mapping of the 5S and 18S rDNA in ten species of Hypostomus Lacépède 1803 (Siluriformes: Loricariidae): evolutionary tendencies in the genus. [PDF]

ScientificWorldJournal, 2014
Hypostomus is a diverse group with unclear aspects regarding its biology, including the mechanisms that led to chromosome diversification within the group. Fluorescence in situ hybridization (FISH) with 5S and 18S rDNA probes was performed on ten Hypostomini species. Hypostomus faveolus, H. cochliodon, H. albopunctatus, H. aff. paulinus, and H. topavae
Bueno V, Venere PC, Thums Konerat J, Zawadzki CH, Vicari MR, Margarido VP.   +5 more
europepmc   +2 more sources