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| Hoogmoed, M.S.; Prudente, A.L.C.. |
| Three specimens of Atractus natans were found during fieldwork in the “Reserva Mamirauá”, Amazonas and a fourth one in the “Estação Científica Ferreira Penna”, Floresta de Caxiuanã, Pará, Brazil. The specimens from Mamirauá were all collected in floating logs in várzea forest during the period of flooding. The new species is small (maximum total length 308 mm) with a coniform head, has 17-17-17 smooth dorsals, without apical pits, male lacking pre-anal keels, ventrals 136-162, caudals 19-25, anal undivided. One or two postoculars, loreal 1.6 –2.8 times as long as high, frontal triangular, wider than long. Maxillary teeth 5-6. The hemipenis is bilobed, with bifurcated sulcus spematicus, capitulum with calyces covered by very small spines, body covered by... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Reptilia; Colubridae; Atractus; Spec. nov.; Brazil; Amazonia; Mamirauá; Caxiuanã; Habitat; Várzea; 42.82. |
| Ano: 2003 |
URL: http://www.repository.naturalis.nl/record/216162 |
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| Silveira,Orlando Tobias. |
| A survey of social wasps was made in the area of the "Ferreira Penna" Research Station (ECFPn) in Caxiuanã, PA, Brazil. Traditional collecting methods as the use of Malaise traps and the search for individuals and colonies of wasps along trails in the forest and by river margins, were applied in a more systematized fashion. Seventy-nine species belonging to 18 genera were discovered within a discontinuous period of 52 days of collecting. Angiopolybia pallens, Polybia liliacea, and several Agelaia species were the most frequently collected species. Active search for wasps in the forest and by river margins was far more efficient than Malaise traps regarding the discovery of polistine species. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Vespidae; Polistinae; Social wasps; Survey; Caxiuanã; ECFPn. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492002001200001 |
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| Bastos,Alexandro Herbert dos Santos; Harada,Ana Yoshi. |
| Leaf-litter amount as a factor in the structure of a ponerine ants community (Hymenoptera, Formicidae, Ponerinae) in an eastern Amazonian rainforest, Brazil. Leaf-litter may be an important factor in structuring ponerine ant communities (Hymenoptera, Formicidae, Ponerinae) in tropical rainforests. We specifically examined how leaf-litter affects the structure of a ponerine ant community in primary Amazonian rainforest sites at the Ferreira Penna Scientific Station, Pará, Brazil. A total of 53 species belonging to eight genera of three ponerine tribes were collected with mini-Winkler extractors. The amount of leaf-litter positively affected the abundance and richness of the ponerine ant community, and also influenced species composition. Nearby samples... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amazonia; Caxiuanã; Leaf-litter; Ponerine ants; Species distribution. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262011000400016 |
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| Alvarenga,Lisi Dámaris Pereira; Lisboa,Regina Célia Lobato. |
| O presente trabalho documenta o inventário da brioflora da Estação Científica Ferreira Penna (ECFPn), localizada na FLONA Caxiuanã (1º42'30"S - 51º31'45"W), Melgaço - Pará, realizado por ocasião da primeira chamada do Programa de Residência em Estudos Amazônicos, iniciativa do Museu Paraense Emílio Goeldi. Musgos e Hepáticas foram amostrados nos ecossistemas de mata de terra firme, várzea, igapó, capoeiras e campina, e analisadas quanto à composição, riqueza e diversidade. Foram registradas 1081 ocorrências de briófitas de 120 espécies, sendo 79 hepáticas e 41 musgos, das quais oito hepáticas são novas referências para o Estado do Pará. As famílias de maior riqueza e assiduidade foram Lejeuneaceae (58 spp.), Calymperaceae (13 spp.), Sematophyllaceae (9... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Caxiuanã; Estação Científica Ferreira Penna; Musgos; Hepáticas; Inventário; Floresta Amazônica. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672009000300003 |
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