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Anais da Academia Brasileira de Ciências
On-line version ISSN 1678-2690


Table of contents
An. Acad. Bras. Ciênc. vol.83 no.3 Rio de Janeiro Sept. 2011

 Editorial Note
 ·  Vegetation replacement in Rio de Janeiro during the last 7,000 years B.C., genetic variation in the medicinal plant Lippia alba (Verbenaceae), and short review of Chagas disease in prehistory
Kellner, Alexander Wa.

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 Mathematical Sciences
 ·  New spatial central configurations in the 5-body problem
Mello, Luis F.; Fernandes, Antonio C.

 ·  Flags of holomorphic foliations
Mol, Rogério S.

 Chemical Sciences
 ·  Chemical composition and antimicrobial activity of essential oils of Ocimum canum Sims. and Ocimum selloi Benth.
Nascimento, Jeferson C.; Barbosa, Luiz C.A.; Paula, Vanderlucia F.; David, Jorge M.; Fontana, Renato; Silva, Luiz A.M.; França, Robson S.

 Earth Sciences
 ·  Study of heavy metal concentration and partitioning in the Estrela River: implications for the pollution in Guanabara Bay - SE Brazil
Rangel, Carlos M. A.; Baptista Neto, José A.; Fonseca, Estefan M.; McAlister, John; Smith, Bernard J.

 ·  Radiocarbon geochronology of the sediments of the São Paulo Bight (southern Brazilian upper margin)
Mahiques, Michel M.; Sousa, Silvia H.M.; Burone, Leticia; Nagai, Renata H.; Silveira, Ilson C.A.; Figueira, Rubens C.L.; Soutelino, Rafael G.; Ponsoni, Leandro; Klein, Daniel A.

 ·  Electromagnetic fields at the sea bottom induced by a line of immersed electric dipoles
Sampaio, Edson E.S.

 ·  Environmental changes in the western Amazônia: morphological framework, geochemistry, palynology and radiocarbon dating data
Horbe, Adriana M.C.; Behling, Hermann; Nogueira, Afonso C.R.; Mapes, Russell

 ·  SEM observation of grain boundary structures in quartz-iron oxide rocks deformed at intermediate metamorphic conditions
Lagoeiro, Leonardo; Gonçalves, Cristiane C.

 ·  The Ilha Anchieta Quartz Monzonite: the southernmost expression of ca. 500 Ma post-collisional magmatism in the Ribeira Belt
Sobrinho, José M. Azevedo; Janas, Valdecir A.; Simonetti, Antonio; Heaman, Larry M.; santoro, Jair; Diniz, Hélio N.

 ·  Luminescence dated Late Pleistocene wave-built terraces in northeastern Brazil
Suguio, Kenitiro; Bezerra, Francisco H.R.; Barreto, Alcina M.F.

 ·  Paleoproterozoic (~1.88Ga) felsic volcanism of the Iricoumé Group in the Pitinga Mining District area, Amazonian Craton, Brazil: insights in ancient volcanic processes from field and petrologic data
Pierosan, Ronaldo; Lima, Evandro F.; Nardi, Lauro V.S.; Campos, Cristina P. de; Bastos Neto, Artur C.; Ferron, José M.T.M.; Prado, Maurício

 ·  Palynological evidence of the replacement of the hygrophilous forest by field vegetation during the last 7,000 years B.P. in the northern coast of Rio de Janeiro, Brazil
Luz, Cynthia F.P. da; Barth, Ortrud M.; Martin, Louis; Silva, Cleverson G.; Turcq, Bruno J.

 ·  Evaluation of the altimetry from SRTM-3 and planimetry from high-resolution PALSAR FBD data for semi-detailed topographic mapping in the Amazon Region
Rodrigues, Thiago G.; Paradella, Waldir R.; Oliveira, Cleber G.

 Biological Sciences
 ·  Validation of a protocol to evaluate maximal expiratory pressure using a pressure transducer and a signal conditioner
Soares, Viviane; Rodrigues, Fábio B.; Vieira, Marcus F.; Silva, Maria Sebastiana

 ·  Sensitivity of understorey bird species in two different successional stages of the lowland Atlantic Forest, Brazil
Loures-Ribeiro, Alan; Manhães, Marco A.; Dias, Manoel M.

 ·  Morpho-anatomical features of underground systems in six Asteraceae species from the Brazilian Cerrado
Appezzato-da-Glória, Beatriz; Cury, Graziela

 ·  Karyotype analysis, DNA content and molecular screening in Lippia alba (Verbenaceae)
Pierre, Patrícia M.O.; Sousa, Saulo M.; Davide, Lisete C.; Machado, Marco A.; Viccini, Lyderson F.

 ·  Effects of environmental conditions associated to the cardinal orientation on the reproductive phenology of the cerrado savanna tree Xylopia aromatica (Annonaceae)
Camargo, Maria Gabriela G.; Souza, Regina M.; Reys, Paula; Morellato, Leonor P.C.

 ·  Effect of temperature on the reproduction of Bracon vulgaris Ashmead (Hymenoptera: Braconidae), a parasitoid of the cotton boll weevil
Ramalho, Francisco S.; Wanderley, Paulo A.; Malaquias, José B.; Fernandes, Francisco S.; Nascimento, Antônio R.B.; Zanuncio, José C.

 ·  A new species of Elasmopus (Amphipoda: Hadzioidea: Maeridae) from Suape Harbor, Northeastern Brazilian coast
Senna, André R.

 Biomedical Sciences
 ·  Chagas disease in prehistory
Ferreira, Luiz F.; Jansen, Ana M.; Araújo, Adauto

 ·  Study of the antiproliferative potential of seed extracts from Northeastern Brazilian plants
Ferreira, Paulo Michel P.; Farias, Davi F.; Viana, Martônio P.; Souza, Terezinha M.; Vasconcelos, Ilka M.; Soares, Bruno M.; Pessoa, Cláudia; Costa-Lotufo, Letícia V.; Moraes, Manoel O.; Carvalho, Ana F.U.

 Agrarian Sciences
 ·  Chemical composition and natural durability of juvenile and mature heartwood of Robinia pseudoacacia L.
Latorraca, João V.F; Dünisch, Oliver; Koch, Gerald

 ·  Evaluation of space adequateness of shrimp farms in Southern Brazil
Freitas, Rodrigo R.; Hartmann, Carlos; Tagliani, Paulo R. A.; Poersch, Luís H.

 ·  Physicochemical characteristics and pollen spectra of organic and non-organic honey samples of Apis mellifera L.
Sereia, Maria Josiane; Alves, Eloi M.; Toledo, Vagner AA.; Marchini, Luis C.; Serine, Elizabete S.; Faquinello, Patricia; Almeida, Daniela de; Moreti, Augusta C.C.C.

 ·  Selection of phytotoxin producing rhizobacteria
Carvalho, Daniel D.C.; Oliveira, Denilson F.; Campos, Vicente P.; Pasqual, Moacir

 ·  Chemical migration during soil water retention curve evaluation
Pires, Luiz F.; Villanueva, Felipe C.A.; Dias, Nivea M.P.; Bacchi, Osny O. Santos; Reichardt, Klaus

 ·  Agronomic efficiency of intercropping tomato and lettuce
Cecílio Filho, Arthur B.; Rezende, Bráulio L.A.; Barbosa, José C.; Grangeiro, Leilson C.

 Social Sciences
 ·  37 years of scientific activity in a Biochemistry Department in Brazil: patterns of growth and factors leading to increased productivity
Gomes, Urubatã E.; Oliveira, Diogo L. de; Berti, Luciana C.; Amaral, Olavo; Souza, Diogo O.; Wofchuk, Susana T.

 ·  Correspondence model of occupational accidents
Conte, Juan C.; Rubio, Emilio A.; García, Ana I.; Cano, Francisco J.