Results 161 to 170 of about 39,901 (247)

DINÂMICA TEMPORAL DE ECOSSISTEMAS AQUÁTICOS DA RESERVA PARTICULAR DO PATRIMÔNIO NATURAL FOZ DO RIO AGUAPEÍ/SP

Colloquium Exactarum, 2015
O monitoramento de variáveis limnológicas foi realizado durante um ciclo sazonal, em oito ambientes da Reserva Particular do Patrimônio Natural Foz do Rio Aguapeí/SP. Foram amostradas as variáveis oxigênio dissolvido, pH, condutividade elétrica, nitrato,
Renato Franco Rodrigues, Renata Ribeiro de Araujo   +1 more
doaj  

Phylogenetics of Clusia sect. Criuva (Clusiaceae) unveils a new species, reinstates an old name and clarifies sectional circumscription

TAXON, Volume 75, Issue 4, August 2026.
Abstract Clusia sect. Criuva has long been a taxonomic catch‐all, particularly in the final decades of the 20th century, when misapplications conflated eastern Brazilian taxa with species from the Guiana Shield. We combine herbarium‐based genome skimming, targeted fieldwork, and critical examination of historical literature and types to reassess ...
José E. do Nascimento Jr, Volker Bittrich, Maria do Carmo Estanislau do Amaral   +2 more
wiley   +1 more source

Starting to disentangle the taxonomy of <i>Neocordulia</i> Selys (Odonata: Idomacromiidae): a review of the Atlantic Forest dragonfly <i>N. mambucabensis</i> Costa & T.C. Santos. [PDF]

PeerJ
Ehlert J, Ware JL, Pinto ÂP.
europepmc   +1 more source

Development of a 3D‐Printed Electrochemical Platform With Dual Working Electrodes for Mesalamine Detection

Analysis &Sensing, Volume 6, Issue 4, July 2026.
This work presents a fully 3D‐printed, low‐cost multiplexed electrochemical platform with dual working electrodes for mesalamine detection. Chemical/electrochemical activation enhances electrode performance, enabling sensitive and reproducible quantification in biological matrices.
Mariana A. de Jesus, Larissa A. Silva, Beatriz F. Germinare, João Pedro C. Silva, Arielly Cardoso, Diego P. Rocha, Rafael M. Dornellas, Jéssica R. Camargo, Bruno C. Janegitz   +8 more
wiley   +1 more source

Structure of helminth communities of rodents in three areas of the Atlantic Forest, Paraná state, Brazil. [PDF]

Rev Bras Parasitol Vet
Silva ASCD, Silva BEA, Lucio CDS, Pacheco FS, Teixeira BR, Gentile R.   +5 more
europepmc   +1 more source

Inside a duck‐billed dinosaur: Vertebral bone microstructure of Huallasaurus (Hadrosauridae), Upper Cretaceous of Patagonia

The Anatomical Record, Volume 309, Issue 7, Page 1702-1712, July 2026.
Abstract Dinosaurs evolved a unique respiratory system with air sacs that contributed to their evolutionary success. Postcranial skeletal pneumaticity (PSP) has been used to infer the presence of air sac systems in some fossil archosaurs. While unambiguous evidence of PSP is well documented in pterosaurs and post‐Carnian saurischians, it remains absent
Tito Aureliano, Aline M. Ghilardi, Jonatan Kaluza, Agustín G. Martinelli   +3 more
wiley   +1 more source

Influence of urban and agricultural land use on trace metal contamination in the Rio do Campo watershed, Paraná, Brazil. [PDF]

Environ Monit Assess
De Souza TL, Fernandez OVQ, Crispim JQ.
europepmc   +1 more source

Characterisation of Drought and Wet Events in the Paraíba do Sul River Basin—Brazil

International Journal of Climatology, Volume 46, Issue 9, July 2026.
Trend analysis identified statistically significant reductions in precipitation (at the 5% significance level) at specific pluviometric stations in São Paulo and Rio de Janeiro, while other areas, mainly in Minas Gerais, experienced significant increases in annual and seasonal rainfall, particularly during summer and spring. These significant trends at
Gildo Rafael de Almeida Santana, Eliane Barbosa Santos, Maria Gertrudes Alvarez Justi da Silva, Vicente de Paulo Santos de Oliveira, Jader Lugon Junior   +4 more
wiley   +1 more source

[Are foods of the Brazilian "staple food basket" safe for consumption?] [PDF]

Cad Saude Publica
Ripke MO, Corralo VDS, Lutinski JA.
europepmc   +1 more source

Consensus on future research directions in the phylum Rotifera

Limnology and Oceanography, Volume 71, Issue 7, July 2026.
Abstract Rotifers play key roles in aquatic ecosystems, yet significant uncertainty remains about their diversity and evolution, and further evidence is needed to determine how reliably their responses to global change and human impacts can inform conservation.
Rafael L. Macêdo, Carlota Solano‐Udina, Melanie D. Borup, Marco Antonio Jiménez‐Santos, Cristina Arenas‐Sánchez, Christina W. C. Branco, Karen Costa, Betina Kozlowsky‐Suzuki, Cláudia C. Bonecker, Elizabeth J. Walsh, André R. S. Garraffoni, S. S. S. Sarma, Agnieszka Ochocka, S. Nandini, Robert Wallace, Diego Fontaneto, Jonathan M. Jeschke, Gissell Lacerot   +17 more
wiley   +1 more source