Results 81 to 90 of about 71,222 (245)

Threatened bryophytes of the neotropical rain forest : a status report [PDF]

open access: yes, 1992
Tropical deforestation, inevitably, leads to the local loss of bryophyte species. Recent studies show that the degree of species loss may vary considerably and depends on the scale or amount of habitat change that has occurred.
Gradstein, Stephan Robbert
core  

Modeling Climate Change Impacts on a Socioeconomically Vital Plant: The Case of Comanthera elegans (Goldenfoot Flower)

open access: yesEcology and Evolution, Volume 16, Issue 1, January 2026.
Comanthera elegans, an ecologically important species in rocky grasslands, is projected to face significant habitat loss under future climate change scenarios. Modeling with the Maxent algorithm showed that its suitable habitats, defined by high rainfall seasonality and moderate temperatures, are at risk, especially under high greenhouse gas emissions.
Maria Luiza de Azevedo   +8 more
wiley   +1 more source

Efficiency of Aqueous Extract of Clitoria ternatea L. in controlling Aphis craccivora Koch, 1854 (Aphididae) and Chalcodermus bimaculatus Fiedler, 1936 (Curculionidae) in Cowpea

open access: yesAgro@mbiente On-line
The cultivation of cowpea (Vigna unguiculata (L.) Walp.) is limited by pests such as the black aphid (Aphis craccivora Koch, 1854) and the pod weevil, commonly known as manhoso (Chalcodermus bimaculatus Fiedler, 1936), which significantly reduce ...
José Lucas Queiroz Lucena   +6 more
doaj   +1 more source

DESAFIOS ENFRENTADOS PELO ENFERMEIRO NO ATENDIMENTO À PESSOA IDOSA VÍTIMA DE VIOLÊNCIA DOMÉSTICA: UMA ABORDAGEM QUALITATIVA

open access: yesCogitare Enfermagem, 2023
Objetivo: descrever os desafios enfrentados por enfermeiros na detecção e atendimento à pessoa idosa vítima de violência doméstica. Método: estudo exploratório, qualitativo, realizado com 13 enfermeiros de 13 Unidades da Estratégia Saúde da Família de ...
Jordânia Paixão Sobral   +2 more
doaj   +1 more source

Pathways to Higher Education [PDF]

open access: yes, 2008
Presents case studies from Ford's initiative to support efforts to transform universities abroad to enable poor, minority, and otherwise underrepresented students to obtain a university degree.
Irma Rosa Martinez   +4 more
core  

Stegoelmis Hinton, 1939 (Coleoptera: Elmidae: Elminae) in Brazil: two new species and a key to the Brazilian species [PDF]

open access: yes, 2011
[EN]: Two new species of the genus Stegoelmis Hinton, 1939, S. figueiredoensis sp. nov. from Amazonas State, Brazil and S. shepardi sp. nov. from Roraima State, Brazil and Saint Laurent Du Maroni, French Guiana, are described and illustrated based on ...
Fernandes, André S.   +2 more
core   +1 more source

Cruzamentos vocabulares com o topônimo ‘Roraima’ (The toponym ‘Roraima’ used in blend words)

open access: yesEstudos da Língua(gem), 2023
O presente trabalho se situa nos estudos da morfologia lexical, mais especificamente no campo da composição vocabular, e tem por objetivo analisar os cruzamentos vocabulares (CVs) com a palavra ‘Roraima’, com atenção aos aspectos morfofonológicos, gráficos e discursivos.
Eliabe Procópio   +1 more
openaire   +2 more sources

A revision of the Monodelphis glirina group (Didelphidae: Marmosini), with a description of a new species from Roraima, Brazil

open access: yesJournal of Mammalogy, 2019
Short-tailed opossums of the nominotypical subgenus Monodelphis occur throughout most of the cis-Andean lowlands of tropical South America. Among its member species, a monophyletic group that includes M.
S. Pavan
semanticscholar   +1 more source

Groundwater Changes the Climate Niche of an Amazonian Mound‐Building Termite

open access: yesEcohydrology, Volume 19, Issue 1, January‐February 2026.
ABSTRACT Rainfall is a major dimension of species climate niches. It has been proposed that groundwater can change species responses to rainfall by creating ‘hydrological refugia’ under a drier climate. However, the available evidence is conflicting and biased towards plants.
Pedro Aurélio Costa Lima Pequeno
wiley   +1 more source

The importance of experimentation in science teaching for understanding the water cycle: a proposal for early childhood education

open access: yesACTIO: Docência em Ciências, 2019
This article is the result of a project developed with a kindergarten class of a public school of the Boa Vista Municipal Education Network / RR, in which pedagogical activities were evaluated and applied in order to work on the theme “Water”.
Ana Carolina Ferreira Machado   +2 more
doaj   +1 more source

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