Results 21 to 30 of about 481 (175)

DIVERSIDADE DE MACROINVERTEBRADOS BENTÔNICOS NA AVALIAÇÃO DO USO DO SOLO E QUALIDADE AMBIENTAL DA BACIA DO GUABIROBA, GUARAPUAVA, PR, BRASIL [PDF]

open access: yesREVISTA GEOGRAFAR, 2019
Comunidades de macroinvertebrados bentônicos representam elementos importantes na análise da estrutura e funcionamento de ecossistemas aquáticos, sendo utilizados na avaliação ambiental e monitoramento biológico. O objetivo deste trabalho foi caracterizar qualitativa e quantitativamente a macrofauna bentônica na bacia do Rio Guabiroba, área de ...
Glauco Nonose Negrão   +1 more
openaire   +4 more sources

The emergence of pathogens on fish in an impacted estuary and the role of non-native piranhas in a potential bacterial infectious outbreak. [PDF]

open access: yesJ Fish Biol
Abstract As many tropical aquatic ecosystems worldwide, the Doce River estuary (DRE, southeastern Brazil) has increasingly faced multiple anthropogenic threats, including deforestation, mining, species introduction and water management. The 2015 collapse of the Fundão iron ore tailings dam severely changed water properties and increased heavy metal ...
Andrades R   +10 more
europepmc   +2 more sources

Phenolic Compounds: From Traditional Uses to Innovative Applications and Everything in Between. [PDF]

open access: yesMol Nutr Food Res
This review deals with many aspects related to the study of phenolic compounds, starting with advances in extraction, detection, and quantification methods, going through bioavailability, bioactivity, and beneficial health properties, and discussing antioxidant and antimicrobial uses and mechanisms.
da Cunha MSB   +5 more
europepmc   +2 more sources

DINÂMICA DO USO DA TERRA E DEGRADAçãO DO SOLO NA BACIA DO RIO GUABIROBA – GUARAPUAVA/PR [PDF]

open access: yesRaega - O Espaço Geográfico em Análise, 2007
O presente estudo avaliou a dinâmica do uso da terra e seusefeitos nas características físicas e na degradação do soloem Guarapuava/PR. Para isso, foi realizado preliminarmenteo mapeamento da paisagem da bacia do Rio Guabiroba.Posteriormente foram selecionados os usos da terra maisfreqüentes no âmbito da bacia.
Thomaz, Edivaldo Lopes
openaire   +4 more sources

Economic sustainability of farms located in micro watershed sanga guabiroba – Nova Santa Rosa – Paraná state - Brazil [PDF]

open access: yesComunicata Scientiae, 2011
The work was aimed at making a diagnosis on the Economic Sustainability of properties located in themicro watershed Sanga Guabiroba, using indicators of sustainability. Five indicators were evaluatedsuch as land and buildings, capital improvements, equity in machinery and equipment, propertyand animals in permanent crops. The survey was conducted in 22
Silva, Nardel Luiz Soares da   +2 more
openaire   +2 more sources

Chemical Composition and Hypotensive Effect of Campomanesia xanthocarpa. [PDF]

open access: yesEvid Based Complement Alternat Med, 2017
Campomanesia xanthocarpa is known in Brazil as Guabiroba and is popularly used for various diseases, such as inflammatory, renal, and digestive diseases and dyslipidemia. The aim of the study was to analyze the chemical composition and investigate the effects of aqueous extract of C. xanthocarpa on the blood pressure of normotensive rats, analyzing the
Sant'Anna LS   +8 more
europepmc   +2 more sources

Campomanesia xanthocarpa (Myrtaceae: Myrtoideae) seedlings reveal morpho-physiological plasticity under shade conditions

open access: yesBrazilian Journal of Biology, 2023
Plants exposed to different light intensities generate physiological, morphological, and anatomical changes conducting to plasticity. Thus, this characteristic establishes the ability of plants to present phenotypic adjustments by the same genotype under
S. M. Z. Almeida   +7 more
doaj   +1 more source

Biological activity and chemical composition of native fruits: a review

open access: yesAgrociencia Uruguay, 2022
Brazilian native fruit trees have great potential for their use in the food and pharmaceutical industries. Among these, the Myrtaceae family stand out for the diversity of known native fruits, as the case of “araçazeiro” or cattley guava [Psidium ...
Elisa dos Santos Pereira   +4 more
doaj   +1 more source

Application of essential oils and polyphenols as natural antimicrobial agents in postharvest treatments: Advances and challenges. [PDF]

open access: yesFood Sci Nutr, 2020
Advances and challenges must be overcome to promote application of essential oils and polyphenols as antimicrobial agents. Use of coating and encapsulation techniques as emerging methods that improve their effectiveness Abstract The use of natural antimicrobial agents is an attractive ecological alternative to the synthetic fungicides applied to ...
Aguilar-Veloz LM   +3 more
europepmc   +2 more sources

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