Results 31 to 40 of about 78,227 (155)

OS PRIMEIROS ANOS DA RODRIGUÉSIA - 1935-1938: EM BUSCA DE UMA NOVA COMUNICAÇÃO CIENTÍFICA

open access: yesRodriguésia
RESUMO Buscamos analisar os três primeiros anos do periódico científico Rodriguésia, publicado desde 1935. Essa primeira fase refere-se ao período em que a revista foi editada pelo Instituto de Biologia Vegetal, Jardim Botânico e Estação Biológica de ...
Begonha Bediaga
doaj   +1 more source

Diseño y aplicación de una unidad didáctica para la enseñanza-aprendizaje del concepto diversidad vegetal en estudiantes de noveno grado de la institución educativa Eugenio Ferro Falla, Campoalegre, Huila

open access: yes, 2015
En este trabajo abordamos una investigacion de aula que consistio en el diseno y aplicacion de la Unidad Didactica ?Que tanto sabes de las plantas del Kiosco? para la ensenanza-aprendizaje del concepto diversidad vegetal en estudiantes de noveno grado de
M. Losada   +2 more
semanticscholar   +1 more source

Geographic Distribution of Chagas Disease Vectors in Brazil Based on Ecological Niche Modeling

open access: yesJournal of Tropical Medicine, Volume 2012, Issue 1, 2012., 2012
Although Brazil was declared free from Chagas disease transmission by the domestic vector Triatoma infestans, human acute cases are still being registered based on transmission by native triatomine species. For a better understanding of transmission risk, the geographic distribution of Brazilian triatomines was analyzed.
Rodrigo Gurgel-Gonçalves   +4 more
wiley   +1 more source

Distribution patterns of species of Paspalum L. (Poaceae: Panicoideae: Paniceae) in Pernambuco, Brazil [PDF]

open access: yes, 2009
A fim de contribuir para o conhecimento dos padrões de distribuição de Paspalum, este estudo trata da distribuição das espécies que ocorrem em Pernambuco.
Alves, Marccus   +2 more
core   +2 more sources

Comparações florísticas e taxonomia da família Gesneriaceae no Parque Nacional do Itatiaia, Brasil

open access: yes, 2010
The family Gesneriaceae is composed by about 140 genera and 3,500 species. In Brazil there are about 22 genera and 220 species. the Itatiaia National Park is an area with a great altitudinal variation, and, for consequence with a high diversity of ...
Maria Jullyana G. de Barros   +2 more
semanticscholar   +1 more source

Patterns of Interploidy Admixture in Polyploid Complexes: Insights From Thymus Sect. Mastichina (Lamiaceae)

open access: yesMolecular Ecology, Volume 35, Issue 3, February 2026.
ABSTRACT Understanding gene flow between ploidy levels in polyploid complexes is essential for species delimitation and conservation. This study explores evolutionary dynamics in the polyploid complex Thymus sect. Mastichina (Lamiaceae), comprising three taxa: T. mastichina subsp. mastichina, T. mastichina subsp.
Francisco José García‐Cárdenas   +7 more
wiley   +1 more source

A tribo Dalbergieae (Leguminosae - Papilionoideae) em um trecho de Floresta Estacional Semidecidual das Terras Baixas, João Pessoa, Estado da Paraíba, Brasil

open access: yesHoehnea
RESUMO Este trabalho apresenta um estudo taxonômico das espécies de Leguminosae - Dalbergieae para a Mata do Buraquinho, João Pessoa, Paraíba, uma área mista contendo elementos de Mata Atlântica, da flora amazônica e da Hileia Baiana.
Samara Alves Mendonça   +4 more
doaj   +1 more source

Fons bibliogràfic Josep Vigo Bonada. Ajuda de cerca [PDF]

open access: yes, 2016
Darrera actualització: 13 de gener de 2017El fons Josep Vigo Bonada té com a objectiu aplegar i fer fàcilment localitzable i accessible tota la producció científica d'aquest catedràtic emèrit de la Universitat de Barcelona.
Universitat de Barcelona. CRAI Biblioteca de Biologia
core  

Frog Diversity in Central Amazonian Macrophyte Beds: The Role of Local Environmental Gradients

open access: yesAustral Ecology, Volume 50, Issue 12, December 2025.
ABSTRACT Ecological assemblages can be shaped by neutral, niche‐based processes, or a combination of both. Understanding the influence of these processes and evaluating diversity measures based on taxonomic, functional, and phylogenetic metrics on the structure of ecological assemblages can show patterns and unravel community assembly mechanisms ...
Mahima Hemnani   +4 more
wiley   +1 more source

The Hidden Diptera Diversity in Aristolochia Trap‐Flowers: Revealing the Identity of Pollinators Through Taxonomic Knowledge

open access: yesJournal of Applied Entomology, Volume 149, Issue 10, Page 1502-1512, December 2025.
ABSTRACT Although Diptera is one of the most diverse insect orders with a high potential for pollinating plants, it remains poorly studied and neglected. This is partly due to limited taxonomic efforts in species identification. For instance, despite being primary pollinators of trap flowers, species‐level identification in these systems remains scarce.
Carlos A. Matallana‐Puerto   +12 more
wiley   +1 more source

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