Results 51 to 60 of about 62,579 (271)

Pecuária e desmatamento: uma análise das principais causas diretas do desmatamento na Amazônia

open access: yesNova Economia, 2011
Na Amazônia Brasileira a principal atividade responsável pelo desmatamento é a pecuária. Esse trabalho analisa a evolução das causas imediatas do desmatamento da Amazônia, utilizando-se de regressões lineares com dados em painel.
Sérgio Rivero   +3 more
doaj  

From red to green: achieving an environmental pact at the municipal level in paragominas (pará, brazilian amazon) [PDF]

open access: yes, 2012
A Red List of Deforestation was published by Brazil's federal government in 2008, listing 36 municipalities with the highest rates of deforestation in the Amazon as a policy measure to prioritize efforts to combat deforestation.
Barlow, Jos   +5 more
core  

Traumatismo raquimedular e desmatamentos na Amazônia

open access: yesJBNC - JORNAL BRASILEIRO DE NEUROCIRURGIA, 2003
Morbidity and mortality of spinal cord injured patients (SCI) in the Brazilian Amazon region is reviewed. In deforestation places this kind of injury is usually caused by the fall of cut trees over the victim. Deforestation activity is usually illicit and worker’s protection and safety are unsatisfactory.
Leonardo J. R. Diel   +2 more
openaire   +1 more source

Citizens Turning Into Scientists: A Calling to Boost the Knowledge of the Public to Address the Environmental Crisis in the Brazilian Semiarid 从公众到科学家:助力提升公众知识以应对巴西半干旱地区环境危机

open access: yesIntegrative Conservation, Volume 4, Issue 4, Page 546-554, December 2025.
Desertification is increasing in the Brazilian Semiarid, leading to loss of species and ecosystem services, while precise data on biodiversity distribution and trends are lacking. Public engagement in scientific projects can improve ecosystem protection.
Lucas Rodriguez Forti   +3 more
wiley   +1 more source

Mapeamento e identificação da época de desmatamento das áreas de expansão da agricultura no MATOPIBA. [PDF]

open access: yes, 2016
Esse trabalho teve como objetivo avaliar a expansão da agricultura do bioma Cerrado na região do MATOPIBA, através de máscaras agrícolas geradas a partir das séries temporais de índice de vegetação NDVI do sensor MODIS, e identificar a época em que ...
LORENSINI, C. L.   +3 more
core  

Determinantes do desmatamento histórico e recente da Amazônia na perspectiva da estatística espacial

open access: yesCadernos Gestão Pública e Cidadania
A Amazônia abriga a maior floresta tropical do mundo. Sua biodiversidade representa aproximadamente 15% de todas as espécies existentes, muitas endêmicas à região. No entanto, 21% de sua vegetação nativa no Brasil já foi devastada.
Henrique Parizotto Lacaz Martins   +1 more
doaj   +1 more source

Racing Amidst Change: Urbanization and Climate Alter Functional Traits and Distribution of an Amazonian Parthenogenetic Lizard

open access: yesBiotropica, Volume 57, Issue 5, September 2025.
By comparing native and neonative populations of an Amazonian lizard, we examine how urban environments and climate change impact its functional traits, while also predicting its future distribution. Our findings offer insights into how some species may adapt to human‐altered landscapes, showing that not all are negatively affected by these changes ...
Lucas Rosado Mendonça   +3 more
wiley   +1 more source

Sustainability/resilience of soil organic matter components in an Argentinean arid region Sustentabilidad/resiliencia de los componentes de la materia orgánica del suelo en una región árida de Argentina Sustentabilidade/resiliência dos componentes da matéria orgânica do solo numa região árida da Argentina [PDF]

open access: yesSpanish Journal of Soil Science, 2013
This short communication presents a novel approach to determining the soil sustainability of productive practices in an Argentinean arid region, using the resilience degree of soil organic matter components.
Carolina Vázquez   +5 more
doaj   +1 more source

Biases in Amphibian Sampling in the Amazon: Using Infrastructure and Accessibility Data to Identify Sampling Gaps

open access: yesBiotropica, Volume 57, Issue 5, September 2025.
Biogeographic knowledge of Amazonian amphibians is constrained by spatial and temporal coverage, leading to biases that affect the understanding of their diversity patterns. Using an extensive occurrence database, this study identified knowledge gaps and sampling biases linked to infrastructure and accessibility factors across the region.
Marcos Penhacek   +5 more
wiley   +1 more source

Avaliação do desmatamento no estado de Rondônia entre 2001 e 2011

open access: yesFloresta e Ambiente
No presente estudo, foi avaliada a acurácia dos mapeamentos do desmatamento conduzidos pelo Programa de Monitoramento do Desflorestamento na Amazônia (PRODES) do Instituto Nacional de Pesquisas Espaciais (INPE) e pela Secretaria de Estado do ...
Valderli Jorge Piontekowski   +3 more
doaj   +1 more source

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