Results 41 to 50 of about 592 (153)

METODOLOGIA AUTOMÁTICA PARA EXTRAÇÃO DE CRUZAMENTO DE RODOVIAS EM IMAGENS DE ALTA RESOLUÇÃO

open access: yesRevista Brasileira de Cartografia, 2009
Pesquisas em extração de rodovias em imagens digitais não são recentes, sendo as primeiras da década de 70. Os métodos desenvolvidos normalmente são classificados em duas classes: semi-automático e automático.
Rodrigo Bruno Zanin   +1 more
doaj  

As rodovias federais como vetores do desmatamento no Cerrado da Região Metropolitana do Sudoeste Maranhense (RMSM)

open access: yesGeoTextos
Nas últimas décadas, os biomas brasileiros – entre eles, o Cerrado – vêm perdendo extensas áreas de floresta em decorrência da intensificação das atividades humanas, como pecuária, agricultura, silvicultura, monocultura e o próprio processo de ocupação e
Taíssa Caroline Silva Rodrigues   +2 more
doaj   +1 more source

Systemic Effect of Ganoderma lucidum Filtrate on Septoria Leaf Spot and Pycnidia Formation by Septoria lycopersici

open access: yesJournal of Phytopathology, Volume 174, Issue 1, January/February 2026.
ABSTRACT This study aimed to evaluate the potential of the mycelial growth filtrate (MGF) from Ganoderma lucidum in providing systemic protection to tomato plants against Septoria lycopersici‐induced leaf spot and inhibiting the production of reproductive structures by the phytopathogen. In greenhouse experiments, foliar application of MGF at 40% (v/v)
Mycheli P. Cruz   +3 more
wiley   +1 more source

Do litígio à emancipação: a formação territorial de Eunápolis no contexto das rodovias e da monocultura

open access: yesGeoTextos
O objetivo do presente artigo foi o de discutir os aspectos históricos e geográficos da formação territorial do município de Eunápolis, localizado no extremo sul da Bahia, com ênfase nas redes de fluxos, como a construção de rodovias e a expansão da ...
João Gabriel de Moraes Pinheiro   +1 more
doaj   +1 more source

Proximidade de rodovias pode influenciar a fragmentação florestal? Um estudo de caso no norte do Rio Grande do Sul

open access: yesBiotemas, 2016
O estabelecimento e o uso das rodovias interferem na atmosfera, no solo, na vegetação, na fauna e nas comunidades humanas que estão em seu entorno.
Tiago Rezzadori   +2 more
doaj   +1 more source

Fungal Effectors in Biotrophic, Necrotrophic and Hemibiotrophic Pathosystems: A Systematic Review

open access: yesPlant Pathology, Volume 75, Issue 1, January/February 2026.
This study compares the mechanisms of action of effectors across different fungal lifestyles. Biotrophs secrete effectors that suppress plant defences, necrotrophs release effectors that induce cell death by activating defence responses, and hemibiotrophs combine both strategies.
Taís Araújo Santos   +3 more
wiley   +1 more source

Mammals with large home ranges, low reproductive rates and small body sizes are most vulnerable to roads: A meta‐analysis

open access: yesJournal of Applied Ecology, Volume 62, Issue 12, Page 3227-3239, December 2025.
Road mitigation for mammals should ideally be informed by site‐level knowledge and generally involve prioritizing species with the combination of larger home ranges, lower reproductive rates and smaller body sizes. To protect these vulnerable mammals from roads, we should maintain low road densities and instal small‐mesh mitigation fencing along roads.
Sean Patterson   +6 more
wiley   +1 more source

Cu(I)‐Catalyzed Interrupted Cycloaddition Between Azides, Ag(I)‐Acetylides, and Diorganoyl Dichalcogenides

open access: yesAdvanced Synthesis &Catalysis, Volume 367, Issue 21, November 13, 2025.
Unleashing the power of Ag(I)‐acetylides with LiCl/dimethyl sulfoxide (DMSO). The LiCl/DMSO mixture have an unexplored ability to dramatically increase the solubility of Ag(I)‐acetylides regardless of their molecular structure, which is explored to achieve high chemoselectivity in the Cu(I)‐catalyzed interrupted cycloaddition between organic azides, Ag(
Diego Seckler   +8 more
wiley   +1 more source

Description of pistillate flowers and conservation status of two species of Mollinedia (Monimiaceae, Laurales) from the Brazilian Atlantic forest

open access: yesNordic Journal of Botany, Volume 2025, Issue 10, October 2025.
Mollinedia is one of the richest genera of Monimiaceae, with approximately 60 species. In Brazil, 46 species of the genus occur, most of them in the Atlantic Forest. Mollinedia dolichotricha and Mollinedia ruschii are species endemic to the Atlantic Forest and described in the last decade.
Danilo Alvarenga Zavatin   +4 more
wiley   +1 more source

Avaliação de medidas de desempenho para rodovias de pista simples obtidas a partir de relações fluxo-velocidade

open access: yesTransportes, 2016
Para estimar o nível de serviço em rodovias de pista simples, o Highway Capacity Manual 2010 (HCM2010) adota como medidas de desempenho a porcentagem de tempo viajando em pelotões (PTSF) e a velocidade média de percurso (ATS).
Jose Elievam Bessa Junior   +1 more
doaj   +3 more sources

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