Results 41 to 50 of about 137,056 (188)

Economia Empresarial e Tomada de Decisão [PDF]

open access: yes, 1979
1 fôlder (6 p.) : color. ; 20 x 10 cmFôlder de divulgação do curso "Economia Empresarial e Tomada de Decisão", oferecido pelo Centro de Desenvolvimento em Administração (CDA) da Fundação João Pinheiro (FJP) em parceria com Centro Brasileiro de Apoio ...
Fundação João Pinheiro. Centro de Desenvolvimento em Administração
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Simulating climate change scenarios established by the Intergovernmental Panel on Climate Change in aquatic mesocosms

open access: yesLimnology and Oceanography: Methods, Volume 24, Issue 2, February 2026.
Abstract Climate change poses a major threat to ecosystems worldwide, with temperature changes being a key driver of ecological disruption in aquatic environments due to the limited ability of many aquatic species to relocate in response. Despite advances in aquatic experimental approaches to temperature control, most studies rely on simplified warming
Tauany Rodrigues   +5 more
wiley   +1 more source

Monoicy in A. angustifolia (Bert.) O. Kuntze (Araucariaceae): I. Morphological aspects of the reproductive structures

open access: yesAnais da Academia Brasileira de Ciências, 2009
Araucaria angustifolia (Bert.) O. Kuntze is a dioecious conifer species native of Brazil. The rare occurrence of monoiceous specimens have been attributed to pathogenic infections or other injuries in adult trees.
Valdir M. Stefenon   +1 more
doaj   +1 more source

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

open access: yesBiological 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   +6 more
wiley   +1 more source

Spore density and root colonization by arbuscular mycorrhizal fungi in preserved or disturbed Araucaria angustifolia (Bert.) O. Ktze. ecosystems Densidade de esporos e colonização radicular por fungos microrrízicos arbusculares em ecossistemas de Araucaria angustifolia (Bert.) O. Ktze. preservados e impactados

open access: yesScientia Agricola, 2006
Araucaria angustifolia (Bert.) O. Ktze., a native forest tree from Brazil, is under extinction risk. This tree depends on arbuscular mycorrhizal fungi for growth and development, especially in tropical low-P soils but, despite being a conifer, Araucaria ...
Milene Moreira   +3 more
doaj   +1 more source

Teste bioquímico em embriões de pinheiro-brasileiro (Araucaria angustifolia) Bert. O. Kuntze. [PDF]

open access: yes, 2014
Resumo
ABREU, D. C. A. de   +3 more
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Adapted random perturbations for non-uniformly expanding maps

open access: yes, 2013
We obtain stochastic stability of C2 non-uniformly expanding one-dimensional endomorphisms, requiring only that the first hyperbolic time map be L^{p}-integrable for p>3. We show that, under this condition (which depends only on the unperturbed dynamics),
Araujo, Vitor   +2 more
core   +1 more source

The Role of Environmental Factors on Visual Communication in Neotropical Anurans

open access: yesGlobal Ecology and Biogeography, Volume 35, Issue 2, February 2026.
ABSTRACT Aim Visual signals are a widespread behavioural attribute of communication among vertebrates, often employed during intrasexual competition or mate attraction, ultimately influencing reproductive success. However, the environmental factors driving visual signal evolution remain poorly understood.
Leonardo Matheus Servino   +2 more
wiley   +1 more source

Análise da rentabilidade econômica dos reflorestamentos com essências nativas brasileiras: o caso do Estado de São Paulo Economic profitability analysis of reforestation with native trees: the state of São Paulo's case

open access: yesRevista de Economia e Sociologia Rural, 2002
No presente trabalho, analisou-se a rentabilidade econômica dos reflorestamentos com essências nativas brasileiras destinados à produção de toras, considerando como caso em estudo o Estado de São Paulo.
José Arimatéia Rabelo Machado   +1 more
doaj   +1 more source

The archaeological and architectonic heritage management of ituiutaba district, Minas Gerias State, Brazil [PDF]

open access: yes, 2013
Actualmente, acciones para la conservación del patrimonio cultural están dentro de las agendas de instituciones como de proyectos de investigación en áreas afines.
Barbosa, Luciano   +2 more
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