Results 61 to 70 of about 864,950 (233)

Fire‐induced disturbances in Malpighiaceae sequential flowering: Implications for pollination services and plant reproductive success

open access: yesPlant Species Biology, Volume 41, Issue 1, January 2026.
Our study demonstrates that fire has a strong influence on flowering phenology and reproductive dynamics in Malpighiaceae species from the Brazilian Cerrado. Specifically, fire triggered an earlier onset of flowering and promoted a more synchronous and widespread blooming, resulting in a temporary surge in floral resource availability. This increase in
Gudryan J. Baronio   +2 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

Mapeamento de solos das áreas de duas mesobacias hidrográficas no Nordeste paraense. [PDF]

open access: yes, 2012
Este trabalho cumpre parte das necessidades de levantar e caracterizar os solos de duas áreas de mesobacias hidrográficas inseridas no projeto Gestabacias, previstas no diagnóstico do meio biofísico dessas áreas. O Projeto Gestabacias foi elaborado com o
NASCIMENTO, D. L. O. do   +4 more
core  

Conflitos sociais cercam as catadoras de mangaba. [PDF]

open access: yes, 2012
Analisa os conflitos sociais pelo acesso aos recursos em áreas remanescentes de mangabeira no Nordeste e Norte do Brasil A pesquisa foi realizada em sete estados do Nordeste (BA, SE, AL, PE, PB, RN) e do Norte (PA) . Outros temas como acesso aos recursos
MOTA, D. M. da   +2 more
core  

Ecological Processes Shaping Marine Microbial Assemblages Diverge Between Equatorial and Temperate Time‐Series

open access: yesMolecular Ecology, Volume 35, Issue 2, January 2026.
ABSTRACT Marine microbial communities are structured by a complex interplay of deterministic and stochastic processes, yet how these vary across latitudes remains poorly understood. Most long‐term microbial observatories are restricted to temperate regions, limiting our ability to assess latitudinal contrasts in microbial dynamics.
Pedro C. Junger   +13 more
wiley   +1 more source

Needs and priorities for research into management of the Caatinga region of Northeastern Brazil. [PDF]

open access: yes, 2017
Relatorio de consultoria junto ao CPATSA em atividade para fortalecer o Programa de Pesquisa de Recursos Naturais (producao e utilizacao de pastagem) atraves de planejamento, avaliacao e recomendacao sobre pesquisa do uso dos recursos de pastagem no semi-
BEALE, I. F.
core  

A Dietary Blend of Synbiotic and Organic Acids has been Demonstrated to be Beneficial for Nile Tilapia Fingerlings

open access: yesAquaculture, Fish and Fisheries, Volume 5, Issue 6, December 2025.
Abstract Zootechnical additives are widely used in animal diets to enhance health and performance throughout different production stages. This study evaluated the effects of a blend of synbiotic and organic acids on Nile tilapia fingerlings. The investigation assessed growth performance, enzyme activity, proximate composition, and tissue histology.
Dacley Neu   +9 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

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

Avaliação do curso de Engenharia de Ordenamento dos Recursos Naturais [PDF]

open access: yes, 2003
O relatório resulta do trabalho de avaliação ao curso de Engenharia de Ordenamento dos Recursos Naturais levado a cabo pela equipa de Auto-Avaliação da Escola Superior Agrária.
Almeida, C.A.M.   +8 more
core  

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