Results 51 to 60 of about 1,376,427 (197)

Urbanization and food transition in the Brazilian Amazon: From wild to domesticated meat

open access: yesPeople and Nature, Volume 8, Issue 10, Page 3236-3249, October 2026.
Abstract Urbanization is expected to influence food transitions, resulting in a shift from wild foods to more domesticated foods. Concomitantly, food insecurity and urban demand for natural resources, including wildlife, are expected to increase overall, even when the per capita consumption is expected to decrease.
Willandia A. Chaves   +7 more
wiley   +1 more source

High temperature photoluminescence sensitivity of Te4+ in silver nanoparticle tellurite glasses: Application as optical temperature sensor

open access: yesNext Materials
Tellurite glasses with the composition (in mol%) (100-x)(75TeO2:25Li2O):xAgNO3 (x = 0, 0.6, and 1.2) were synthesized at 800 °C in an ambient atmosphere, for investigation of the influence of Ag nanoparticles on the Te4+ semi metal ion photoluminescence (
Adriana do Carmo Capiotto   +4 more
doaj   +1 more source

Lack of Compliance in Gillnet Fisheries Regulations Increases Risk to a Vulnerable Species

open access: yesFisheries Management and Ecology, Volume 33, Issue 5, Page 933-948, October 2026.
ABSTRACT This article presents an analysis of regulatory compliance in a Brazilian gillnet fishery, based on Vessel Monitoring System (VMS) tracking data. Satellite transmissions records, interpreted as proxies for gillnet haulings events, were analyzed and classified using a neural network to assess the level of compliance of the gillnet fleet.
Rodrigo Claudino dos Santos   +3 more
wiley   +1 more source

Phytotoxic activity of differents plant parts of Drimys brasiliensis miers on germination and seedling development

open access: yesBioscience Journal, 2015
The aim of this study was to evaluate the phytotoxic activity of aqueous extracts from mature leaves, stem bark and roots of Drimys brasiliensis Miers on germination and initial seedling development of two target species, Triticum aestivum L. (wheat) and
Simoni Anese   +4 more
doaj   +3 more sources

AS FONTES EM ITAMONTE, SUL DE MINAS GERAIS – UMA CONTRIBUIÇÃO PARA O ENTENDIMENTO DAS RELAÇÕES ENTRE ÁGUA SUPERFICIAL E SUBTERRÂNEA.

open access: yesRevista Águas Subterrâneas, 2005
RESUMO O trabalho caracterizou três surgências em microbacia (0,72 km2) situada no município de Itamonte, sul de Minas Gerais. A microbacia é composta por rochas gnáissicas do Complexo Paraíba do Sul, e blastomilonitos do falhamento local.
Edgar Pane, Sueli Yoshinaga Pereira
doaj   +1 more source

CYCLOP Revegoca: The First Documented Cyclone Formed From Locally Originating Potential Intensity Over the Southwestern South Atlantic

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 18, 28 September 2026.
Abstract On 9 December 2025, an atypical synoptic cyclone developed near the borders of Paraguay, Argentina, and southern Brazil, triggering severe weather across south‐southeastern Brazil. Unlike typical South Atlantic extratropical cyclones, which intensify near the coast, this system originated inland and underwent explosive cyclogenesis without a ...
M. S. Reboita   +3 more
wiley   +1 more source

Levantamento bibliográfico sobre recursos naturais do Nordeste.

open access: yes, 2018
Arrola documentos sobre os recursos naturais do Nordeste do ...
EMBRAPA. Centro de Pesquisa Agropecuaria do Tropico Semi-Arido.
core   +1 more source

Introdução à economia dos recursos naturais [PDF]

open access: yes, 1990
Discute estratégias ótimas de aproveitamento dos recursos naturais, enfatizando-se a diferença entre os recursos exauríveis e os renováveis. Argumentamos, por exemplo, que muitos dos problemas registrados na Amazônia podem ser explicados, pelo menos em ...
Margulis, Sergio
core  

Actions and omissions in the management of demolition and construction waste in Caraguatatuba, SP

open access: yesVértices, 2015
Civil construction is one of the most significant activities for the social and economic development of the country. However, in the traditional construction process, the intense generation of demolition and construction waste (DCW) has caused negative ...
Nicole de Castro Pereira   +1 more
doaj   +1 more source

Event‐Level Attribution of Wildfire Ignition Cause: A Machine‐Learning Approach

open access: yesGeophysical Research Letters, Volume 53, Issue 17, 16 September 2026.
Abstract Wildfire ignition causes, namely human or lightning, largely determine fire behavior and impacts, but are sparsely reported worldwide. Event‐level fire causes have been inferred regionally using high‐accuracy lightning observations, but global generalization remains limited.
Kairui Qiu   +7 more
wiley   +1 more source

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