Results 71 to 80 of about 1,229,080 (207)

BASE DE INFORMAÇÕES GEOGRÁFICAS PARA GESTÃO AMBIENTAL MUNICIPAL NA AMAZÔNIA

Revista Brasileira de Cartografia, 2014
A demanda por informação geográfica detalhada para gestão socioambiental de municípios da Amazônia aumentou recentemente com a criação de uma lista de municípios críticos que mais desmatam as florestas da região, instituída pelo Ministério do Meio ...
Carlos Souza Jr, Paulo Amaral, Marcio Sales, Rodney Salomão, Luis Oliveira Jr, João Martins, João Martins   +6 more
doaj  

Nutrientes vegetais no meio ambiente: ciclos bioquímicos, fertilizantes e corretivos. [PDF]

, 2017
2 ...
BOEIRA, R. C., GOMES, M. A. F., SOUZA, M. D. de, TOLEDO, L. G. de   +3 more
core   +1 more source

Biosynthesis of Silver Nanoparticles Using Black Pepper (Piper nigrum) Seed Extract and Evaluation of Their Cytotoxicity

Chemistry &Biodiversity, Volume 23, Issue 2, February 2026.
This study reports the green biosynthesis of piperine‐functionalized silver nanoparticles from Piper nigrum seed extract, followed by comprehensive physicochemical characterization and in vitro cytotoxic evaluation. The results confirm successful nanocomposite formation and demonstrate a marked enhancement of cytotoxic activity against gastric cancer ...
Nylton Ferreira Maciel, Gleice VasconcelosPereira do Lago, Glauce Vasconcelos da Silva Pereira, Ingryd Nayara de Farias Ramos, Aline Costa Bastos, Igor Alexandre Rocha Barreto, Nathiel Sarges Moraes, Marcos NazarenoLauné dos Santos, João Augusto Pereira da Rocha, Alencar Kolinski Machado, Waldomiro Gomes Paschoal Junior, Marcio Marcelo da Silva Pessoa, Maria de Nazaré Maciel Uesugi, André Salim Khayat, Jorddy Neves Cruz, José de ArimatéiaRodrigues do Rêgo, Maria Regina Sarkis Peixoto Joele, Davi do Socorro Barros Brasil   +17 more
wiley   +1 more source

Parasitoids of Phyllocnistis citrella in Jaguariúna, state of São Paulo, Brazil, before and after the introduction of Ageniaspis citricola

Scientia Agricola, 2000
The citrus leafminer, Phyllocnistis citrella (Gracillariidae), is among the main pests of citrus in Brazil. The objective of this work was to conduct a survey of parasitoids attacking CLM in Jaguariúna, State of São Paulo, Brazil, before and after the ...
Luiz Alexandre Nogueira de Sá, Valmir Antonio Costa, Wagner Portes de Oliveira, Gilberto Ribeiro de Almeida   +3 more
doaj  

A mathematical model to estimate the volume of grey water of pesticide mixtures

Spanish Journal of Agricultural Research, 2014
The usual method to calculate grey water footprint does not take into account the volume of water required to dilute concentrations of pesticide mixtures in freshwater and it also depends on maximum concentration limit acceptable in water.
Lourival Costa Paraiba, Ricardo A. Almeida Pazianotto, Alfredo J. Barreto Luiz, Aline de Holanda Nunes Maia, Claudio Martin Jonsson   +4 more
doaj   +1 more source

Saúde e meio ambiente

ID on line REVISTA DE PSICOLOGIA, 2009
Este artigo apresenta uma reflexao sobre os avancos cientificos e suas eventuais interferencias sobre o meio ambiente. Mostra o resgate da etica da responsabilidade sugerida em obras produzidas no seculo XX, desde Max Weber ate Hans Jonas. Faz uma avaliacao critica da ciencia moderna e de seu braco armado, a tecnologia.
Gilson Guilherme de Albuquerque Farias, Igor Rodrigues da Silva   +1 more
openaire   +2 more sources

Pollination and plant reproduction in the Cerrado, the world's most biodiverse savanna

Biological Reviews, Volume 101, Issue 1, Page 74-105, February 2026.
ABSTRACT The Brazilian Cerrado is a continental‐wide biodiversity hotspot and the most species‐rich savanna ecosystem in the world. The main aspect characterising this biodiversity is that the landscape is arranged as an intricate mosaic of different plant formations, including grasslands, savannas, and forests, each harbouring distinct but ...
João C. F. Cardoso, Renata Trevizan, Pietro K. Maruyama, Ana P. S. Caetano, Rogério V. Gonçalves, Yasmine Antonini, Paulo E. Oliveira   +6 more
wiley   +1 more source

Analysis of the potability of the artesian wells of the Taim community in São Luís - Maranhão

Revista Águas Subterrâneas, 2017
Quality of life and the pursuit of unified welfare to the health of human beings, has been a prominent theme, with water as one of the key indicators for this goal. waterborne disease is still a challenge for the Ministry of Health, where the countryside
Wallace Ribeiro Nunes Neto, Dagolberto Calazans Araujo Pereira, Jessflan Rafael Nascimento Santos, Andrea Souza Monteiro, Paulo Cesar Mendes Villis, Victor Elias Mouchrek Fillho   +5 more
doaj   +1 more source

A história da certificação ISO 9001 da Embrapa Meio Ambiente. [PDF]

, 2011
bitstream/item/40190/1/Documentos-84 ...
CRIPPA, M. E. N., MENDES, M. D. L.
core  

Importance and spatial patterns of invisible fisheries in Amazonian clear‐water rivers as revealed by fisher knowledge and collaboration

Conservation Biology, Volume 40, Issue 1, February 2026.
The graphical abstract highlights the research collaboration with fishers through interviews to record fishers' knowledge and participatory monitoring, to provide data on small‐scale fisheries in three clear water rivers (Trombetas, Tapajos and Tocantins).
Renato A. M. Silvano, Kaluan C. Vieira, Paula E. R. Pereyra, Luís H. Tomazoni‐Silva, Ivan A. Alves, Jaqueline G. Bezerra, Márcia C. F. Dutra, Friedrich W. Keppeler, Carolina B. Nunes, Cristiane V. Cunha, Gustavo Hallwass   +10 more
wiley   +1 more source