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Results 31 to 40 of about 259 (120)

Analysis of data on cyanobacteria and cyanotoxins in public supply reservoirs (São Paulo, Brazil)

Oceanological and Hydrobiological Studies
The incidence of cyanobacterial blooms in reservoirs intended for human supply represents a serious health risk due to the ability of these organisms to produce cyanotoxins.
de Souza Bronstein Caroline Augusta, Moschini-Carlos Viviane +1 more
doaj +1 more source

Hydrosedimentological disequilibrium in a small, urbanized watershed

Acta Limnologica Brasiliensia, 2013
AIM: In this paper we estimate the sediment yield and other related information for a small urbanized watershed, located in Sorocaba, São Paulo State. The driving forces that produce the observed scenario are presented and discussed; METHODS: Over a year,
Alexandre Marco da Silva +6 more
doaj +1 more source

BioTIME 2.0: Expanding and Improving a Database of Biodiversity Time Series

Global Ecology and Biogeography, Volume 34, Issue 5, May 2025.
ABSTRACT Motivation Here, we make available a second version of the BioTIME database, which compiles records of abundance estimates for species in sample events of ecological assemblages through time. The updated version expands version 1.0 of the database by doubling the number of studies and includes substantial additional curation to the taxonomic ...
Maria Dornelas +484 more
wiley +1 more source

LandFrag: A Dataset to Investigate the Effects of Forest Loss and Fragmentation on Biodiversity

Global Ecology and Biogeography, Volume 34, Issue 2, February 2025.
ABSTRACT Motivation The accelerated and widespread conversion of once continuous ecosystems into fragmented landscapes has driven ecological research to understand the response of biodiversity to local (fragment size) and landscape (forest cover and fragmentation) changes.
Thiago Gonçalves‐Souza +89 more
wiley +1 more source

Variations of Salminus hilarii diet (Ostariophysi, Characidae): seasonal and ontogenetic effects

Brazilian Journal of Biology
This study described the variations seasonal and ontogenetic of Salminus hilarii diet. Samples were collected in the Sorocaba River, São Paulo, Brazil, one of the few rivers where individuals of the species still occur in a higher frequency.
GA Villares Junior, R Goitein
doaj +1 more source

Length‐Weight Relationships of Sixteen Fish Species From the Upper Tietê Basin, Southeaster Brazil

Journal of Applied Ichthyology, Volume 2025, Issue 1, 2025.
This study investigated the length‐weight relationship (LWR) of 16 fish species from the Upper Tietê Basin under the influence of the Atlantic Forest biome, aiming to provide updated morphometric data and contribute to the knowledge of Neotropical ichthyofauna. 2811 specimens were collected and distributed across five orders and 10 families.
Luís Gustavo Nogueira de Carvalho +7 more
wiley +1 more source

The fish community of the Sorocaba River Basin in different habitats (State of São Paulo, Brazil)

Brazilian Journal of Biology
A fish assemblage study was accomplished in different habitats of the Sorocaba River Basin. Fish were caught with gillnets, were weighed (weight total - g) and measured (standard length - mm).
WS. Smith, M. Petrere Jr., W. Barrella
doaj +1 more source

Geoclimatic drivers of diversification in the largest arid and semi‐arid environment of the Neotropics: Perspectives from phylogeography

Molecular Ecology, Volume 33, Issue 14, July 2024.
Abstract The South American Dry Diagonal, also called the Diagonal of Open Formations, is a large region of seasonally dry vegetation extending from northeastern Brazil to northern Argentina, comprising the Caatinga, Cerrado, and Chaco subregions. A growing body of phylogeography literature has determined that a complex history of climatic changes ...
Wilson X. Guillory +8 more
wiley +1 more source

Hydrological and environmental analysis of the Pirajibu-Mirim watershed, Sorocaba, SP, Brazil

Revista Ambiente & Água, 2016
The watershed of the Pirajibu-Mirim River, in Sorocaba-SP, contributes to production and the municipal water supply, and is located in a high-priority region for the implementation of a Payment for Environmental Services (PES) program.
Carina Júlia Pensa Corrêa +2 more
doaj +1 more source

Observando os Rios: Citizen Science Monitoring Water Quality in Brazil

Citizen Science: Theory and Practice
This study evaluates the consistency and validity of the data generated by the citizen science program Observando os Rios (OoR), coordinated by the SOS Mata Atlântica Foundation and active in 17 Brazilian states.
Lucas de Camargo Reis +6 more
doaj +1 more source

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