Results 21 to 30 of about 13,058 (209)

Angiosperms from the Araripe National Forest, Ceará, Brazil [PDF]

Check List, 2012
This study provides a species list of the angiosperms from the Araripe National Forest (ANF) in the south part of Ceará state, northeastern Brazil. The floristic survey recorded 188 species from 55 Angiosperm families. The most species-rich families were Fabaceae (31), Rubiaceae (17), Asteraceae (14), Bignoniaceae (10), Myrtaceae (9), Euphorbiaceae (7),
Suelma Ribeiro-Silva, Marcelo Medeiros, Beatriz Gomes, Emídia Seixas, Maria da Silva   +4 more
openaire   +2 more sources

Is the Voter Model a model for voters? [PDF]

, 2014
The voter model has been studied extensively as a paradigmatic opinion dynamics' model. However, its ability for modeling real opinion dynamics has not been addressed.
Eguíluz, Víctor M., Fernández-Gracia, Juan, Miguel, Maxi San, Ramasco, José J., Suchecki, Krzysztof   +4 more
core   +3 more sources

Colônias reprodutivas de Zenaida auriculata noronha na Área de Proteção Ambiental Chapada do Araripe: monitoramento e impactos de atividades antrópicas

Biodiversidade Brasileira
A avoante (Zenaida auriculata) possui ampla ocorrência na América do Sul e sua subespécie Z. a. noronha se destaca por formar grandes bandos durante a época reprodutiva, seguindo a movimentação das chuvas na Caatinga. A concentração de muitos indivíduos
Antonio Emanuel Barreto Alves de Sousa, Manuella Andrade de Souza, Flávia Regina Domingos, Paulo Fernando Maier Souza, Murilo Sérgio Arantes, Randson Modesto Coêlho da Paixão, Thayz Rodrigues Enedino, Cícero Simão Lima Santos, Tereza Raquel Carneiro Soares, Eric Andrei Arrais Alexandre, Alex Augusto Abreu Bovo, Carlos Leal Filho, Elivan Arantes de Souza   +12 more
doaj   +1 more source

Scaling laws and universality in the choice of election candidates

, 2011
Nowadays there is an increasing interest of physicists in finding regularities related to social phenomena. This interest is clearly motivated by applications that a statistical mechanical description of the human behavior may have in our society.
Mantovani, M. C., Mendes, R. S., Moro, M. V., Picoli Jr., S., Ribeiro, H. V.   +4 more
core   +1 more source

New data on the stem and leaf anatomy of two conifers from the Lower Cretaceous of the Araripe Basin, northeastern Brazil, and their taxonomic and paleoecological implications. [PDF]

PLoS ONE, 2017
Pseudofrenelopsis and Brachyphyllum are two conifers that were part of the Lower Cretaceous (Aptian) taphoflora of the Crato Formation, Araripe Basin, northeastern Brazil. The former genus includes, so far, P.
Maria Edenilce Peixoto Batista, Delmira da Costa Silva, Marcos A F Sales, Artur A Sá, Antônio A F Saraiva, Maria Iracema Bezerra Loiola   +5 more
doaj   +1 more source

Chapada do Araripe: entre a economia e o socioambiental / Chapada do Araripe: between the economy and the socio-environment

Brazilian Journal of Business, 2022
Esta pesquisa tem como objetivo descrever como se dá o conflito de interesses dentro de uma Área de Preservação Ambiental, a APA Chapada do Araripe. De um lado aqueles que buscam a utilização dos recursos naturais com objetivos econômicos, por outro lado os ambientalistas, que lutam pela preservação do meio ambiente. O trabalho foi realizado através de
Ramá Lucas Andrade, João Luís do Nascimento Mota   +1 more
openaire   +1 more source

Histórico das Pesquisas Paleontológicas na Bacia do Araripe, Nordeste do Brasil [PDF]

Anuário do Instituto de Geociências, 2005
The Araripe Basin is located in Northeastern Brazil and is known by its diversified Cretaceous fauna and flora. The great scientific valuable fossils as insects, plants, mollusks, fishes and pterosaurs are represented mainly in Santana Formation ...
Marise Sardenberg Salgado de Carvalho, Maria Eugenia C. Marchesini Santos   +1 more
doaj  

Histology and fossil diagenesis of a pterosaur tooth from the Crato Formation (Lower Cretaceous of Brazil)

The Anatomical Record, EarlyView.
Abstract Pterosaur dental biology remains poorly understood despite its importance for comprehending feeding strategies and flight adaptations. Here, we present the first comprehensive histological analysis of an ornithocheiriform pterosaur tooth from the Lower Cretaceous Crato Formation (Santana Group, Northeast Brazil).
Tito Aureliano, Matheus P. S. Rocha, Francisco P. Lima‐Filho, Aline M. Ghilardi   +3 more
wiley   +1 more source

Occurrence and biogeographic aspects of Melipona quinquefasciata in NE Brazil (Hymenoptera, Apidae)

Brazilian Journal of Biology
The stingless bee Melipona quinquefasciata is not included among the nine bee species of Melipona described in literature of NE Brazil. However, reports of some farmers raised suspicion on the occurrence of M. quinquefasciata in the state of Ceará, in NE
L. W. LIMA-VERDE, B. M. FREITAS
doaj   +1 more source

Ecological aspects of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae) in palms of the Chapada do Araripe in Ceará, Brazil

Memorias do Instituto Oswaldo Cruz, 2008
The aim of this work is to present aspects related to the ecology of Rhodnius nasutus Stål, 1859 in palms from Chapada do Araripe in Ceará, Brazil.
Fernando Braga Stehling Dias, Cláudia Mendonça Bezerra, Evandro Marques de Menezes Machado, Cláudio Casanova, Liléia Diotaiuti   +4 more
doaj   +1 more source