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Alimentação de um filhote de bem-te-vi, Pitangus sulphuratus (Linnaeus) (Passeriformes, Tyrannidae), em ambiente urbano Zoologia
Argel-de-Oliveira,Maria Martha; Curi,Nancy A; Passerini,Tatiana.
The observation of parents feeding a captive fledgling of Great Kiskadee revealed that visitation is more frequent in the first hour after sunrising, with lesscr peaks along the day. The diet supplied consisted mainly of insects (Hymenoptera, Lepidoptera, Coleoptera, Diptera), along with other items as human-made materiais (food scraps, pellets of animal food), lizards (Hemidactylus mabouia), non-identified fruit pulp, gastropods and arachnids (Opiliones). The ability that P. sulphuratus has for identifying food items absent froni more natural habitats and for exploiting resources of unpredictablc spatial and temporal distributions confers the species a dietary flexibility that probably contributes to its efficiency in colonizing urban habitats.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Passeriformes; Tyrannidae; Pitangas sulphuratus; Diet; Urban environment.
Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751998000400027
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Does an urban environment affect leaf structure of Eugenia uniflora L. (Myrtaceae)? Acta Botanica
Bezerra,Laís de Almeida; Callado,Cátia Henriques; Cunha,Maura Da.
ABSTRACT External factors can interfere with the structure and biological activity of plants. Nevertheless, the susceptibility of plants to specific environmental conditions varies, which raises many questions about the behavior of medicinal plants when grown in urban areas. This study aims to detect possible changes induced by exposure of Eugenia uniflora L. to an urban environment, with emphasis on variation in external and internal leaf structure and differences in the production of its main metabolites. We compared leaves of E. uniflora cultivated in forest and urban sites and analyzed them for structural plasticity and characteristics indicative of stress in the urban environment. The leaves of the urban site revealed necrosis and reddish spots,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atmospheric pollution; Brazilian cherry; Environmental change; Histochemistry; Pitangueira; Urban environment.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062020000200266
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Long-term avifaunal survey in an urban ecosystem from southeastern Brazil, with comments on range extensions, new and disappearing species Pap. Avulsos de Zool. (São Paulo)
Vasconcelos,Marcelo Ferreira de; Dutra,Eduardo de Carvalho; Mazzoni,Luiz Gabriel; Pedroso,Letícia Ferreira; Perillo,Alyne; Valério,Fernando Augusto; Guerra,Tadeu; Petrocchi,Diego; Morais,Rodrigo; Santos,Lucas Penna Soares; Garzon,Bruno; Dias,Juan Espanha Moreira; Santos,José Enemir dos; Morais,Allan Suhett de; Guimarães,Letícia Souza Lima; Garcia,Frederico Innecco Alves; Almeida,Thiago Oliveira e; Benfica,Carlos Eduardo Ribas Tameirão; Peixoto,Helberth José Cardoso; Ribeiro,Bruno Pardinho.
Urban avifaunal surveys in Brazil have been increasing in recent years, despite none of them consisting of long-term studies indicating events of regional colonization and/or missing species. Here, we present an avifaunal survey of an urbanized ecosystem in southeastern Brazil, carried out along 30 years, on the campus of the Pontifícia Universidade Católica de Minas Gerais, municipality of Belo Horizonte, Minas Gerais state. Inside the campus there is a forest reserve adjacent to a small lake. The inventory was mainly based on opportunistic records from the years 1982-2013. We recorded 134 bird species along the past 30 years. However, the present avifauna is composed of 123 species. A total of 97 species was recorded in the reserve, including the forest...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Avifauna; Colonization; Disappearing species; Urban environment.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492013002500001
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Nesting substrata, colony success and productivity of the wasp Mischocyttarus cassununga Rev. Bras. entomol.
Castro,Mariana M. de; Avelar,Daniela L. Guimarães de; Souza,André R. de; Prezoto,Fábio.
Nesting substrata, colony success and productivity of the wasp Mischocyttarus cassununga. Colonies of the wasp Mischocyttarus cassununga (von Ihering, 1903) are easily found in urban areas. However, in spite of the massive presence of this species in cities, little is known about its nesting habits, colony success and productivity. The present study aimed at answering the following questions: What are the substrates used for nesting by M. cassununga? What is the main foundation strategy adopted by M. cassununga in urban areas: a solitary female or associative foundation? Is there a relationship between foundation strategies and colony success? Is the total number of cells per nest related to the number of adults produced? The study was conducted in Juiz de...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hymenoptera; Insecta; Social wasp; Urban environment; Vespidae.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262014000200009
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Species composition and richness of avifauna in an urban area of southern Brazil - DOI: 10.4025/actascibiolsci.v32i1.6118 Biological Sciences
Philippsen, Juliana Strieder; UEM; Benedito, Evanilde; UEM; Zawadzki, Cláudio Henrique; UEM.
The urban environment has become an object of study by ornithologists, who seek to understand the relationships between this new habitat and the birds that survive within it. Aiming to investigate the composition and richness of the avifauna present at the State University of Maringá and identify temporal changes in species composition, the obtained results were compared to the study accomplished by Krügel (1998) in this same location. Thus, we performed field samplings from August 2007 to July 2008, using transects, with visual and auditive identification. We recorded 74 species belonging to 27 families from 12 orders, during 72 hours of observation. Most species were constant in the study area. The predominant trophic categories were insectivores (46%)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Avifauna; Temporal changes; Urban environment; Trophic categories 2.05.00.00-9 Avifauna; Temporal changes; Urban environment; Trophic categories.
Ano: 2009 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/6118
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