Results 31 to 40 of about 5,688 (182)

The incidence and productive significance of ovine toxoplasmosis in Southern Brazil

open access: yesCiência Rural, 2016
: This research aimed to determine incidence of Toxoplama gondii infection in Corriedale sheep in southern Brazil during pregnancy and the extent of associated losses.
Fernando Caetano de Oliveira   +6 more
doaj   +1 more source

Open‐land‐derived agroforestry and effects of abandonment of management of the main crop on ecosystem services and woody plant diversity

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 5, Page 1805-1816, September 2026.
Tropical forests are rapidly declining. One promising strategy to reverse the loss of tropical forest is the establishment of agroforestry on open land. We combined interviews with biodiversity surveys to learn general lessons from success and nonsuccess stories of the establishment of open‐land‐derived coffee agroforests in one of the world's ...
Lucas M. Fonzaghi   +3 more
wiley   +1 more source

Valoração de atributos de qualidade em pêssegos comercializados no estado de São Paulo

open access: yesRevista de Economia e Sociologia Rural, 2009
Neste estudo foram desenvolvidos modelos para estimativas de preços implícitos de alguns atributos de qualidade em pêssegos comercializados no estado de São Paulo, em dois elos da cadeia: atacado e varejo.
Lílian Maluf de Lima   +3 more
doaj   +1 more source

Circulating Mitochondrial DNA Measures Across Malignancies: Diagnostic Accuracy and Prognostic Associations

open access: yesCancer Medicine, Volume 15, Issue 8, August 2026.
ABSTRACT Background Circulating mitochondrial DNA is being investigated as a liquid‐biopsy biomarker because of its high copy number and release during cellular stress. However, diagnostic estimates vary across tumor types and assays, and prognostic studies have measured both cell‐free mtDNA and cellular blood‐derived mtDNA, which are not analytically ...
Ziying Zhang   +5 more
wiley   +1 more source

Conservação pós-colheita de alface cultivada com composto orgânico

open access: yesPesquisa Agropecuária Brasileira, 2001
O objetivo deste trabalho foi avaliar o efeito da adubação com composto orgânico, na presença e na ausência de adubação mineral padrão, na conservação pós-colheita das plantas de alface cultivar Babá. O composto orgânico foi aplicado nas doses de 0,0, 22,
Santos Ricardo Henrique Silva   +3 more
doaj  

PERDAS E LUTO: PRÁTICAS EM PSICOLOGIA ESCOLAR E EDUCACIONAL [PDF]

open access: yesPsicologia Escolar e Educacional
RESUMO O presente estudo tem como objetivo revelar as práticas adotadas por psicólogos escolares acerca de demandas de perdas e luto em contexto educacional.
Janaina Oliveira Rocha   +1 more
doaj   +1 more source

Long‐term changes in functional diversity and its implications for mammalian conservation and ecological restoration in a grassland ecosystem

open access: yesFunctional Ecology, Volume 40, Issue 8, Page 2379-2391, August 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Paleontological data provide information on natural environments prior to human influence, which are useful for tracking changes in ecosystem functioning through time. During the Late Pleistocene, about 10% of terrestrial mammalian species were extinct in South America.
Thayara S. Carrasco   +3 more
wiley   +1 more source

Desastres naturais: perdas e reações psicológicas de vítimas de enchente em Teresina-PI

open access: yesPsicologia & Sociedade, 2012
A discussão acerca dos desastres vem ganhando destaque no noticiário mundial. No Brasil, essa situação vem causando intensa preocupação em virtude das perdas e graves consequências de tal acontecimento.
Erika Ravena Batista Gomes   +1 more
doaj   +1 more source

Assessing the evolutionary distinctiveness of a highly threatened plant group: The urgency to preserve a unique lineage of evolution in Brazil

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 4, Page 1223-1237, July 2026.
Brazil's diverse flora is under several threats, with many unique lineages facing extinction, particularly in biodiverse regions like the Cerrado and campo rupestre. This study sheds light on the conservation needs of Cambessedesia (Melastomataceae), an endemic genus with 95% of its species endangered, using an approach to rank and prioritise species ...
Najla Bastos Scheidegger   +4 more
wiley   +1 more source

Avaliação econômica das perdas de banana no mercado varejista: um estudo de caso Economic avaliation of the banana's losses in retatil trade: a case study

open access: yesRevista Brasileira de Fruticultura, 2003
O objetivo do presente estudo foi a determinação das perdas físicas e econômicas de banana em diferentes equipamentos varejistas na Cidade de Botucatu - SP e suas possíveis causas. Os equipamentos foram sorteados aleatoriamente.
Cintia de Souza Silva   +6 more
doaj   +1 more source

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