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| Registros recuperados: 12 | |
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| Antonini,Yasmine; Martins,Rogério P.. |
| The richness and the composition of bee species at the ecological station of the Universidade Federal de Minas Gerais, Campus Pampulha, Belo Horizonte, MG, Brazil, was recorded from January to December 1996. The bee fauna of the ecological station is rich (98 species) in low-density populations species (350 individuals). The composition of the bee fauna is seasonal (Q = 29.35, df = 11, P < 0.002), however the composition in flowering plants showed no seasonality (Q = 17.30, df = 11, P < 0,099). The bee species visited 23 flowering plant species from 11 families. Asteraceae (111 individuals in 53 species) and Convolvulaceae (88 individuals in 26 species) were the most visited families. There was a positive relation between bee abundance and the number... |
| Tipo: Info:eu-repo/semantics/report |
Palavras-chave: Bee fauna; Flowering plant; Fragment of forest. |
| Ano: 2003 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2003000400006 |
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| Barata,Ricardo A.; Antonini,Yasmine; Gonçalves,Caroline M.; Costa,Daniela C.; Dias,Edelberto S.. |
| O presente trabalho teve como objetivo conhecer a fauna flebotomínica na Gruta do Caboclo, localizada no Parque Nacional Cavernas do Peruaçu, MG, e associá-la ao risco de transmissão das leishmanioses. As capturas foram realizadas utilizando-se armadilhas luminosas tipo CDC, nos meses de fevereiro e março de 2003. O total de 436 flebotomíneos foi capturado, pertencendo a 14 espécies. A espécie predominante foi Lutzomyia ischnacantha Martins, Souza & Falcão, com 28,7%, seguida por L. renei (27,06%) e L. cavernicola (13,07%). O encontro de L. intermedia, espécie incriminada como vetora de leishmaniose cutânea, deve ser levado em consideração. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Lutzomyia; Phlebotominae; Leishmaniose; Ecologia de vetores. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2008000200018 |
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| Antonini,Yasmine; Souza,Henrique G.; Jacobi,Claudia M.; Mury,Fabio B.. |
| Foi avaliada a influência de fatores abióticos e recursos florais na freqüência de visitas de insetos a Stachytarpheta glabra Cham, em uma área de campo ferruginoso, Ouro Preto, MG. Foram coletados 312 insetos visitantes pertencentes a 28 espécies. As maiores abundâncias foram as de Oxaea flavescens Klug (25%), Vespidae sp1 (11,5%), Vespidae sp2 (11%), Antheos clorinde Hubner (10,3%) e Vespidae sp3 (10%). A abundância de visitantes florais acompanhou a variação dos fatores abióticos ao longo do dia (intensidade luminosa: F = 6,968, P = 0,014, r² = 0,757; temperatura: F = 7,708, P = 0,010, r² = 0,762; umidade relativa: F = 5,263, P = 0,030, r² = 0,744). O número de flores e inflorescências (rS = 0,81, n = 20, P < 0,001 e rS = 0,82, n = 20, P < 0,001,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Polinizador; Partição de recurso; Padrão abiótico. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2005000400004 |
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| Araújo,Vinícius A.; Antonini,Yasmine; Araújo,Ana P.A.. |
| The Southern Espinhaço Range consists of large areas covered by quartzitic or metaliferous tropical altitudinal fields. The Espinhaço Range ecosystems are endangered by anthropic high impacts, particularly due to mining and urbanization. We conducted a one-year inventory of the bee flora and fauna at the quartzitic Ouro Branco Mountains and a two-year survey of the metaliferous Ouro Preto fields. The samples were collected twice a month, from 8:00 am to 5:00 pm. The bees (677) belonged to 91 species, five families. The family Apidae was the richest and most abundant, followed by the Halictidae and Megachilidae. The bees visited 46 flowering plant species; the most visited plants were the Asteraceae (n = 220), the Malpighiaceae (n = 95), the Melastomataceae... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Apidae; Bee fauna; Conservation. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2006000100005 |
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| Enout,Alexandre M. J.; Lobato,Débora N.; Azevedo,Cristiano S. de; Antonini,Yasmine. |
| The rates of infestation by chewing lice and feather mites on Turdus leucomelas Vieillot, 1818 (Aves: Turdidae) were used to test the hypothesis of that parasitism either increases or decreases according to, reproductive and molting seasons, respectively. Samples were obtained at the State Park of Rio Preto, state of Minas Gerais, Brazil, in October and December of 2006 and in March of 2007. The dust-ruffling technique was used in to remove the parasites from the body of their hosts. Five species of chewing-lice were found on the birds, with Myrsidea sp. and Brueelia sp. being the most prevalent parasites, whereas Menacanthus eurysternus Burmeister, 1838 was the least prevalent. No statistically significant difference was found between the infestation... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chewing lice; Feather mites; Feather molt; Pyrethrin. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300017 |
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| Lanna,Lucas L.; Azevedo,Cristiano S. de; Claudino,Ricardo M.; Oliveira,Reisla; Antonini,Yasmine. |
| ABSTRACT During flight, hummingbirds achieve the maximum aerobic metabolism rates within vertebrates. To meet such demands, these birds have to take in as much energy as possible, using strategies such as selecting the best food resources and adopting behaviors that allow the greatest energy gains. We tested whether hummingbirds choose sources that have higher sugar concentrations, and investigated their behaviors near and at food resources. The study was conducted at Atlantic forest remnant in Brazil, between June and December 2012. Four patches were provided with artificial feeders, containing sucrose solutions at concentrations of 5%, 15%, 25% and 35% weight/volume. Hummingbird behaviors were recorded using the ad libitum method with continuous... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Behavioral strategies; Dominance; Food resources; Subordination; Trapline. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100305 |
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| Aguiar,Ludmilla M. S.; Antonini,Yasmine. |
| We examined food habits of Vespertilionidae bats Myotis nigricans (Schinz, 1821) and Eptesicus furinalis (d'Orbigny, 1847) by fecal analysis in cerrado sensu stricto and gallery forests, within APA - Gama-Cabeça-de-Veado, Brasília, Distrito Federal, Brazil. Out of 20 fecal samples collected, seven were of Eptesicus furinalis and 13 of Myotis nigricans. The diet of E. furinalis included six orders of insects: Coleoptera (5/7 by items presence), Lepidoptera and Hymenoptera (3/7), Diptera, Hemiptera and Homoptera (1/7). The diet of M. nigricans included all the main orders consumed by E. furinalis (6/13, 4/13, 4/13, 3/13, 1/13, and 4/13 respectively) and one other order: Orthoptera (1/13). Homoptera, Diptera and Orthoptera were collected only in bats captured... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biological pest control; Insectivory; Mammals; Niche. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752008000100005 |
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| Antonini,Yasmine; Lobato,Debora Nogueira Campos; Norte,Ana Cláudia; Ramos,Jaime A.; Moreira,Patrícia de Abreu; Braga,Erika Martins. |
| Abstract: According to the enemy release hypothesis (ERH) the spread of invasive species will be facilitated by release from their enemies as they occupy new areas. However, the ERH has rarely been tested by comparing populations of native (non-invasive, long established) species with expanding or shifting ranges, to the same species as invasive in another area. We tested the ERH with respect to blood parasite levels (prevalence and intensity of Plasmodium spp. and Haemoproteus spp.) of (a) two closely related, widely distributed species of thrush (Turdus leucomelas and T. merula), and (b) an invasive sparrow (Passer domesticus) whose range has expanded from the Old World to the New World since the 18th century. A total of 158 birds were sampled in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Portugal; Brazil; Turdus; House sparrow; Invasive bird; Range expansion. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032019000400204 |
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| Registros recuperados: 12 | |
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