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| Gomes,José Diego; Abrunhosa,Fernando Araújo; Simith,Darlan de Jesus de Brito; Asp,Nils Edvin. |
| At the coastal zone sediments, water and organisms interact intensely. At equatorial tidal-dominated coast mangroves are abundant. These areas are well-known for their ecological importance. Considering the mangroves of Atlantic South America, the mangrove crab, Ucides cordatus has ecological and economic prominence. High densities of this crab are found on the Amazon coast. This study investigates the sediment distribution of the Bragança mangrove area (Amazon coast, Brazil) and its correlations with vegetation and mangrove crab distribution. Sediments of 47 sites, as well as crabs from sites with different sediment and vegetation, were sampled. Results show that surface sediment of the area is mainly composed by silt (59%), with 21% sand and 20% clay.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Coastal plain; Sediment distribution; Tides; Vegetation; North Brazil; Mangrove crab. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672013000400010 |
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| Moura,Luciano de A.. |
| A new species of Aristobrotica Bechynéand a checklist of the genus (Coleoptera, Chrysomelidae, Galerucinae). A new neotropical species of the Section Diabroticites (Luperini, Diabroticina) is described and illustrated. Aristobrotica capillosa sp. nov., from the state of Amazonas, northern Brazil, is the only species of the genus with elytra densely covered by erect hairs. The genus Aristobrotica Bechyné, 1956 now comprises 17 species, with only one occurring in Central America, Aristobrotica allardi (Jacoby, 1887) from Panama, and the remaining 16 are South American. A checklist of Aristobrotica species and their geographic distribution is also provided. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Diabroticites; Luperini; Neotropics; North Brazil; Taxonomy. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262011000100005 |
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