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| Cocentino,Adilma de Lourdes Montenegro; Fujii,Mutue Toyota; Reis,Thiago Nogueira de Vasconcelos; Guimarães-Barros,Nathalia Cristina; Rocha,Marcia de França; Neumann-Leitão,Sigrid. |
| Diversity and distribution pattern of the infralittoral green macroalgae at Potiguar basin, Rio Grande do Norte, Northeastern Brazil were analyzed from material collected at depths varying from 2 to 100 m. Collections were carried out with two types of dredges during four campaigns: July 2002, May and November 2003 and May 2004 at 43 stations. Chlorophyta is represented by 54 species, five varieties and three forms. The most representative family is Caulerpaceae, and the most diverse genus is Caulerpa, with 11 species. The results showed that most taxa (89%) are rare, and 10% are present at low frequencies. The most frequent species was Caulerpaprolifera (Forssk.) J.V. Lamour. occurring at almost all coastal and inner shelf stations, recorded in all... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Distribution patterns; Green macroalgae; Infralittoral; Tropical region; Brazil. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062010000400014 |
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| Rosa,Beatriz F. J. V.; Silva,Marcos V. D. da; Oliveira,Vívian C. de; Martins,Renato T.; Alves,Roberto da G.. |
| This study describes the composition and structure of the benthic community associated with bryophytes in a first-order stream, located in a biological reserve of the Atlantic Forest, during two seasons. During three months of the dry season of 2007 and three months of the rainy season of 2008, samples of bryophytes attached to stones were collected randomly, along a 100 m stream reach. The structure of the community was analyzed through the mean density of individuals, Shannon's diversity index, Pielou's evenness, family richness, dominance index, and the percentage of Ephemeroptera, Plecoptera and Trichoptera (% EPT). Chironomidae larvae were dominant in the two periods of study, followed by Ceratopogonidae in the rainy season, and Naididae in the dry... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic insects; Lotic systems; Tropical region. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300009 |
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| Castro,Márcia S. de; Richards,William J.; Bonecker,Ana Cristina T.. |
| This study analyzes the occurrence and distribution of lanternfish (Myctophidae) larvae along the Brazilian coast (12-22ºS) between 200 m and the surface. Three cruises were conducted during the spring/1998, winter/1999 and autumn/2000. A total of 3,394 lanternfish larvae were identified representing 27 species and Lepidophanes guentheri (Goode & Bean, 1896) was the most abundant. Most of the identified taxa were in the postflexion stage. Myctophid larvae were more numerous during the winter. Most taxa were distributed widely from 12-22ºS, including some seamounts, and occurred mainly outside the 1,000 m isobath. Although there was no difference in the myctophid community among the coastal, oceanic and seamount regions it was significantly... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Brazilian coast; Larval mesopelagic fish; Myctophidae; Spatial variation; Tropical region. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400006 |
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| Nogueira, Daniel Maia; Embrapa Semiárido; Lopes Júnior, Edilson Soares; Universidade Federal do Vale do São Francisco (UNIVASF); Peixoto, Rodolfo Moraes de; Instituto Federal de Educação, Ciência e Tecnologia do Sertão de Pernambuco (IFET-PE); Christilis, Madriano; Universidade Federal de Viçosa (UFV); Martins, Samara Rodrigues; Universidade Federal do Vale do São Francisco (UNIVASF); Monte, Alane Pains Oliveira do; Universidade Federal do Vale do São Francisco (UNIVASF). |
| The objective of this study was to evaluate the effectiveness of reusing a controlled internal drug release (CIDR) device for up to three times in the reproductive performance of dairy goats raised in the semi-arid zone of northeastern Brazil. Forty-five goats were allocated into three hormone treatments, as follows: CIDR1x, treated with new CIDR during nine days. Two days prior to device removal, injections of 75 µg d-cloprostenol and 300 IU equine chorionic gonadotropin (eCG) were administrated. For the other treatments, the same hormone protocol was used, differing only by the use of the same CIDR for a second time in CIDR2x and for a third time in CIDR3x. The interval from device removal to the onset of estrus (13.3 ± 1.1h vs. 13.8... |
| Tipo: Pesquisa de Campo |
Palavras-chave: 4.00.00.00-1; Medicina Veterinária hormone treatment; Small ruminant; Tropical region; Vaginal device Reprodução Animal hormone treatment; Small ruminant; Tropical region; Vaginal device. |
| Ano: 2011 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/10120 |
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