Results 31 to 40 of about 2,730 (257)

A case of budding speciation in the California Floristic Province and infraspecific divergence in Abronia villosa

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Budding speciation occurs when peripheral populations adapt to local ecological conditions and “bud” off from a widespread progenitor species. Traditionally regarded as rare because of its sympatric and parapatric nature, budding speciation is largely understudied.
Eli J. Allen   +3 more
wiley   +1 more source

Flora of Public Squares in the City of Areia, Paraíba, Brazil

open access: yesFloresta e Ambiente
Public squares are important spaces in the cities and stand out for providing improvements in the quality of urban life. Thus, this study aimed to carry out the floristic survey of public squares in the city of Areia, Paraíba state, Brazil, and analyze ...
Azenate Campos Gomes   +4 more
doaj   +1 more source

Cerrado physiognomies in Chapada das Mesas National Park (Maranhão, Brazil) revealed by patterns of floristic similarity and relationships in a transition zone [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
The Chapada das Mesas National Park is a federal reserve located in the State of Maranhão, in an ecotonal region of the Brazilian Northeast Cerrado. Aiming to assess the influence of biogeographic patterns and support restoration actions for regions where information is scarce, we analyzed the floristic composition of savanna and forest Cerrado ...
TIAGO M. FERRAZ   +7 more
openaire   +5 more sources

New records of extinct Icacinaceae from Paleocene rainforests of northwestern South America

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise This study describes three new records of Icacinaceae—Punctiuga bachue gen. et sp. nov., Palaeophytocrene paramoae sp. nov., and Goweria bacatana sp. nov. from the Paleocene (Selandian–Thanetian) Bogotá Formation in Colombia—improving understanding of the distribution and evolution of this family in the Neotropics.
Laura M. Puente‐Santos   +3 more
wiley   +1 more source

Floristic analysis and dispersal syndromes of woody species of the Serra de Maracaju, Mato Grosso do Sul, Brazil

open access: yesBrazilian Journal of Biology
This paper presents a floristic survey of the wood component of cerrado s.s. (eastern face) and gallery forest (western face) areas carried out in the southern part of the Serra de Maracaju. The dispersal syndromes and floristic relations of this portion
WM. Ramos, ALB. Sartori
doaj   +1 more source

Is the herb-shrub composition of veredas (Brazilian palm swamps) distinguishable?

open access: yesActa Botânica Brasílica, 2017
Vereda (Brazilian palm swamp) is a poorly known savannic phytophysiognomy that occurs on moist soils with high herb-shrub floristic richness. This study aimed to document the herb-shrub species of veredas of the Estação Ecológica Serra Geral do Tocantins
Diogo Pereira da Silva   +3 more
doaj   +1 more source

The gift remembered: The Human Anatomy and Physiology Society (HAPS) Anatomical Donor Stewardship's ethical and practical handbook for anatomy donor tributes

open access: yesAnatomical Sciences Education, EarlyView.
Abstract Providing students with a way to honor human body donors during or after an anatomy course has been shown to help provide a sense of closure and comfort to students and, when present, donor families. Gestures of gratitude for donors can also emphasize humanistic values of respect, empathy, and professionalism.
Bobbie J. Leeper   +14 more
wiley   +1 more source

Comparative Assessment of Landsat‐8 and SPOT‐7 Satellite Data With Field Spectral Measurements for Estimating Plant Diversity in Sandy Grasslands

open access: yesBiological Diversity, EarlyView.
We compared Landsat‐8 OLI, SPOT, and hyperspectral data for estimating vascular plant diversity in China's Hunshandak Sandland. SPOT data showed the strongest correlation with alpha diversity, followed by hyperspectral data, with Landsat‐8 performing the weakest.
Ying Ye   +3 more
wiley   +1 more source

SIMILARIDADE ENTRE OS HABITATS DA VEGETAÇÃO DO MORRO DO IMPERADOR, JUIZ DE FORA, MINAS GERAIS, COM BASE NA COMPOSIÇÃO DE SUA FLORA FANEROGÂMICA

open access: yesRodriguésia
RESUMO Os objetivos deste estudo foram descrever a composição da flora fanerogâmica de um remanescente de vegetação do Domínio Atlântico situado no município de Juiz de Fora, Minas Gerais, utilizar análises de similaridade florística para relacionar suas
Daniel Salgado Pifano   +5 more
doaj   +1 more source

Floristic similarity of lycophytes and ferns in the Amazonia/Cerrado transition zone in the central region of northern Maranhão state, Brazil

open access: yesScientia Plena, 2023
Floristic similarity studies make it possible to compare species richness between different phytophysiognomies and to assess whether species are typical of a phytophysiognomies or if they are common to two or more phytophysiognomies. The Immediate Geographic Region of São Luís (IGR), in the central region of northern Maranhão, is characterized by the ...
Wagner Ribeiro da Silva Junior   +3 more
openaire   +1 more source

Home - About - Disclaimer - Privacy