Rainforest
Mostrando 13-24 de 331 artigos, teses e dissertações.
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13. Water balance in soil covered by regenerating rainforest in the Paraíba Valley region, São Paulo, Brazil
Resumo Objetivou-se avaliar o balanço hídrico em Latossolo Vermelho-Amarelo coberto por floresta tropical em regeneração há 30 anos, na bacia do rio Una entre abril de 2016 e março de 2017. Os valores da capacidade de campo (FC) e ponto de murcha permanente (PWP) usados para calcular a capacidade de água disponível (AWC) no solo foi determinado pela
Rev. Ambient. Água. Publicado em: 28/11/2019
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14. Habitat use, fruit consumption, and population density of the black-headed night monkey, Aotus nigriceps, in southeastern Peru
ABSTRACT The black-headed night monkey, Aotus nigriceps, has one of the largest distribution ranges of the 11 night monkey species found across Central and South America. Yet, only three studies have focused on their ecology, describing considerable variation in habitat, group composition, and population density. Therefore, we analyzed habitat use, group com
Acta Amaz.. Publicado em: 25/11/2019
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15. Contribuições para a flora de samambaias da Serra dos Carajás, Pará, Brasil
Resumo Este estudo trata os táxons das famílias Athyriaceae, Lomariopsidaceae, Metaxyaceae e Saccolomataceae (Polypodiopsida) encontrados nas formações de Floresta Ombrófila Densa circunvizinhas às formações de canga da Serra dos Carajás, estado do Pará, e conta com descrições, imagens, distribuição e comentários. Na área de estudo foram regi
Rodriguésia. Publicado em: 11/11/2019
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16. El pensamiento multiplicativo de niños del pueblo indígena shipibo-konibo de Ucayali: una perspectiva piagetiana
Abstract The objective of this study was to identify and describe levels of multiplicative thinking in a group of Shipibo-Konibo children from the Ucayali region, in the Peruvian Amazon rainforest. Fourteen elementary school students from two Shipibo-Konibo communities, boys and girls aged between 7 and 12 years old, participated in the study. They were eval
Educ. Pesqui.. Publicado em: 24/10/2019
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17. Aquatic vascular plants of South Brazil: checklist and a comparative floristic approach
ABSTRACT Aquatic ecosystems support species diversity, and knowledge of plant communities is essential for wetland conservation programs. This study provides a checklist of aquatic vascular plants of South Brazil and establishes their floristic affinities with bordering South America phytogeographical domains. The checklist was based on 52 sources, including
Acta Bot. Bras.. Publicado em: 07/10/2019
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18. Canopy Architecture After Selective Logging in a Secondary Atlantic Rainforest in Brazil
ABSTRACT Sustainable forest management promotes financial revenues while keeping the forest cover and environmental services. Nevertheless, the logging operation causes changes in the forest and canopy horizontal and vertical structure. Our objective is to evaluate the changes in the forest canopy and its consequences to the forest management, following logg
Floresta Ambient.. Publicado em: 03/10/2019
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19. Processos hidrológicos em uma sub-bacia do Parque Estadual da Serra do Mar, núcleo Santa Virgínia
Resumo O presente estudo busca caracterizar o funcionamento hidrológico de uma sub-bacia com cobertura de Mata Atlântica, localizada no Parque Estadual da Serra do Mar, núcleo Santa Virgínia. Para isso, foram monitorados entre os anos de 2008 e 2009, alguns processos hidrológicos: escoamento superficial, umidade do solo (0,15, 0,30, 0,50 e 0,90 metros d
Ciênc. Florest.. Publicado em: 30/09/2019
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20. Effect of Leaf Quality on Herbivory of Three Atlantic Forest Species
ABSTRACT The present study evaluated the relationship between herbivory and leaf quality of three abundant tree species (Cupania oblongifolia Mart., Siparuna guianensis Aubl. and Xylopia sericea St. Hill.) in the understory of a eucalyptus plantation and an adjacent Atlantic Rainforest fragment. Herbivory differed among species, since X. sericea was less att
Floresta Ambient.. Publicado em: 23/09/2019
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21. Elemental Concentration and Sulfur Chemical Speciation in the Amazonian Plant Andira surinamensis Using Synchrotron Radiation Techniques (SR-XRF, XANES), RBS and WD-XRF
The inorganic composition of the bark and leaf of a plant from the Amazon rainforest, Andira surinamensis, was determined using two non-destructive, multi-element techniques: X-ray fluorescence (XRF) and Rutherford backscattering spectrometry (RBS). XRF measurements were made using both a conventional X-ray source and synchrotron radiation. It was observed t
J. Braz. Chem. Soc.. Publicado em: 16/09/2019
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22. Sexual Systems of Plants in a Brazilian Montane Forest
ABSTRACT In this study, vegetation reproduction has been investigated in order to understand aspects of speciation, structuring and composition of plant communities. Thus, we sought to characterize the frequency of sexual systems from species recorded in seed rain occurring in a tropical rainforest (Atlantic Forest) in Caparaó National Park, Espírito Santo
Floresta Ambient.. Publicado em: 09/09/2019
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23. Evapotranspiration and water sensitivity of Amazonian yellow ipe seedlings under different shading conditions
RESUMO A falta de informações técnicas sobre as exigências agroclimáticas e ecofisiológicas de espécies florestais, principalmente na fase inicial, limitam a produção de mudas de qualidade, o planejamento e a otimização de viveiros. Determinou-se a evapotranspiração, coeficientes de cultivo (kc) e os fatores de sensibilidade hídrica (ky) de mud
Rev. bras. eng. agríc. ambient.. Publicado em: 09/09/2019
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24. Description of a new Brazilian species of Mycodrosophila (Diptera, Drosophilidae) with emphasis on the morphology of phallic sclerites
ABSTRACT Mycodrosophila is a cosmopolitan genus of Drosophilidae that comprises approximately 130 species with mycophagous habitats. In this study, we described a new species of Mycodrosophila based on morphological traits and included details of the male terminalia. The holotype is from Eugênio Lefévre, locality in Campos do Jordão municipality, SP, Braz
Rev. Bras. entomol.. Publicado em: 05/09/2019