Relation between green spaces and bird community structure in an urban area in Southeast Brazil

Increased urbanization typically leads to an increase in abundance of a few species and a reduction in bird species richness. Understanding the structure of biotic communities in urban areas will allow us to propose management techniques and to decrease conflicts between wild species and human beings. The objective of this study was to describe the structure of the bird community in an urban ecosystem. The study was carried out in the city of Taubaté in southeastern Brazil. Point-counts were established in areas with different levels of tree density ranging from urban green spaces to predominantly built-up areas. We looked for a correlation between the richness/abundance of birds and the size of the area surveyed, the number of houses, the number of tree species and the number of individual trees. The results of multiple regression showed that bird richness had a direct relationship with vegetation complexity. The abundance and diversity of tree species were better predictors of bird species than the number of houses and size of the area surveyed. We discuss implications of this study for conservation and management of bird diversity in urban areas, such as the need to increase green areas containing a large diversity of native plant species. © 2011 Springer Science+Business Media, LLC.

Dimensions of poverty and gender policies

Includes bibliography

Antimutagenic and anticarcinogenic effects of wheat bran in vivo

Previous studies in rodents treated with the pro-carcinogen 1,2-dimethylhydrazine suggested that the consumption of wheat bran protected against DNA damage in the colon and rectum. Based on this information, we evaluated wheat bran as a functional food in the prevention and treatment of colon cancer. We used the aberrant crypt focus assay to evaluate the anticarcinogenic potential of wheat bran (Triticum aestivum variety CD-104), the comet assay to evaluate its antigenotoxicity potential, and the micronucleus assay to evaluate its antimutagenic potential. The wheat bran gave good antimutagenic and anticarcinogenic responses; the DNA damage decreased from 90.30 to 26.37% and from 63.35 to 28.73%, respectively. However, the wheat bran did not significantly reduce genotoxicity. Further tests will be necessary, including tests in human beings, before this functional food can be recommended as an adjunct in the prevention and treatment of colon cancer. © FUNPEC-RP.

Panos e lendas: três décadas de histórias

Pós-graduação em Artes - IA

Expressando-se: uma interface do ensino de artes visuais com a musicalidade

Pós-graduação em Artes - IA

A estética do BijaRi: em busca da permanência

Pós-graduação em Artes - IA

Existe o quadrinho no vazio entre dois quadrinhos? (ou: o Koan nas histórias em quadrinhos autorais adultas)

Pós-graduação em Artes - IA

Análise dos efeitos citotóxicos, genotóxicos e mutagênicos do inseticida malation, utilizando os sistemas teste de Allium cepa e células de mamíferos

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Avaliação do potencial antimutagênico de extrato etanólico de própolis verde e de Baccharis dracunculifolia (Asteraceae), por meio de sistema-teste de Allium e células de mamíferos (HTC)

Pós-graduação em Ciências Biológicas (Biologia Celular e Molecular) - IBRC

Avaliação histopatológica e imuno-histoquímica do miocárdio de cães com leishmaniose visceral: Fernando Azadinho Rosa. -

Pós-graduação em Ciência Animal - FMVA

Processos inferenciais: contribuições das ciências cognitivas

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

A proteção dos direitos autorais a partir da realidade Internet: a perspectiva brasileira

Pós-graduação em Ciência da Informação - FFC

Efeitos da ingestão de chás de Camellia sinensis em parâmetros ósseos de ratos machos jovens, tratados ou não com sacarose

Pós-graduação em Ciências Fisiológicas - FOA

Alterações histopatológicas e imunohistoquímicas induzidas pela obstrução parcial da bexiga de coelhos

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Concentração sérica e imunomarcação do fator de crescimento do endotélio vascular no prognóstico dos linfomas caninos

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)