Results 21 to 30 of about 740 (168)

A fractal pattern of hierarchical genetic population structure in mixed stocks across fish segregated by dams revealed by genomic resources for curimba Prochilodus lineatus. [PDF]

open access: yesJ Fish Biol
Abstract Genomic resources, new microsatellite markers and a novel observation of a fractal pattern in the genetic population structure are presented for curimba, Prochilodus lineatus, a freshwater migratory model species of South America. Our main goals were to investigate the presence of mixed fish stocks and the effects of damming‐induced ...
Yazbeck GM   +5 more
europepmc   +2 more sources

WATER: THE URGENCY OF A TERRITORIAL AGENDA [PDF]

open access: yesAmbiente & Sociedade, 2016
This paper presents and discusses the water supply crisis and the resulting risk of rationing in regional scale in the Brazilian Southeast (2014/15).
GISELA AQUINO PIRES DO RIO   +2 more
doaj   +4 more sources

Biological aspects of Hypostomus affinis (Siluriformes: Loricariidae) in Brazilian coastal rivers

open access: yesActa Limnologica Brasiliensia, 2022
Aim Determine the length-weight relationship (LWR), the period of reproduction, and evaluate the variation of the condition factor (K) of Hypostomus affinis from two coastal drainages in southeastern Brazil, assessing the influence of the rainfall on ...
Tiago Magalhães da Silva Freitas   +1 more
doaj   +1 more source

Study of human occupation impacts in the Batedor river basin in the Mantiqueira Mountain in the municipal district of Cruzeiro, SP, Brazil

open access: yesRevista Ambiente & Água, 2008
The study of hydrographic basins as territorial units integrating the management of hydric resources is essential to guarantee sustainable use of natural resources in these basins. The establishment of the Paraíba do Sul hydrographic basins committee, in
Marcelo dos Santos Targa   +2 more
doaj   +1 more source

First record of the family Parodontidae (Characiformes) from the Paraíba do Sul river basin, southeastern Brazil

open access: yes, 2017
The first records of 2 species of Parodontidae (Apareiodon piracicabae and A. itapicuruensis) are reported in the Paraíba do Sul river basin. In total, 101 individuals of A. piracicabae and 3 individuals of A. itapicuruensis were collected in the Paraíba
Fernando L. K. Salgado   +7 more
core   +2 more sources

Effects of land use change on discharge of the Paraíba do Sul river [PDF]

open access: yes, 2021
The Paraíba do Sul river basin is located in the southeast region of Brazil and across São Paulo, Rio de Janeiro and Minas Gerais states. In addition to the urban and rural population in the basin, Paraíba do Sul River supplies about twelve million ...
Capozzoli, Caluan Rodrigues   +1 more
core   +1 more source

A satellite view of riverine turbidity plumes on the NE-E Brazilian coastal zone

open access: yesBrazilian Journal of Oceanography, 2012
Turbidity plumes of São Francisco, Caravelas, Doce, and Paraiba do Sul river systems, located along the NE/E Brazilian coast, are analyzed for their dispersal patterns of Total Suspended Solids (TSS) concentration using Landsat images and a logarithmic ...
Eduardo Negri de Oliveira   +5 more
doaj   +1 more source

Studies in two allopatric populations of Hypostomus affinis (Steindachner, 1877): the role of mapping the ribosomal genes to understand the chromosome evolution of the group [PDF]

open access: yesComparative Cytogenetics, 2018
Several cytogenetic markers show chromosomal diversity in the fish such as “armoured catfish”. Although studies have characterized many species in the major genera representing these Siluridae, particularly in the genus Hypostomus Lacépède, 1803, trends ...
Karina de Oliveira Brandão   +5 more
doaj   +3 more sources

PAYMENTS FOR ECOSYSTEM SERVICES TO WATER RESOURCES PROTECTION IN PARAÍBA DO SUL ENVIRONMENTAL PROTECTION AREA [PDF]

open access: yesAmbiente & Sociedade, 2020
One of the benefits of forest and reforestation is linked to the erosion control and reduction of the amount of sediments suspended in water. This study proposes a methodology for Payments for Ecosystem Services associated to these benefits in 24 water ...
BRUNA FATICHE PAVANI   +5 more
doaj   +1 more source

Benefits and legacy of the water crisis in Brazil

open access: yesRevista Ambiente & Água, 2015
In this editorial, we reflect on the benefits and legacy of the water crisis in Brazil between 2013 and 2014, which affected the water supply in many regions and especially in the southeast region, with emphasis on the conflict between the states of São ...
Marcelo dos Santos Targa   +1 more
doaj   +1 more source

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