Results 71 to 80 of about 402,947 (216)

Dos nuevas especies de Andropogon (Poaceae, Panicoideae) de Cuba [PDF]

open access: yes, 2008
Two new species of Andropogon (Poaceae) from Cuba, A. ekmanii and A. canaliglumis, are described and illustrated. Both belong to the ¨A. lateralis¨ species complex (sect.
Caponio, Irene   +2 more
core  

Cercariae (Digenea: Strigeidae, Diplostomidae) in Biomphalaria straminea (Planorbidae) from a rice field in Northeastern Argentina [PDF]

open access: yes, 2017
The rice fields can provide habitats for many species of aquatic invertebrates, as insects, molluscs, crustaceans; and vertebrates, as fish, amphibians, reptiles and birds, which may act as hosts in the life cycles of digenean parasites. In this context,
Fernández, María Virginia   +1 more
core   +1 more source

Contexts of Anointing Behavior in a Group of Blond Capuchin Monkeys (Sapajus flavius) Inhabiting an Atlantic Forest Fragment

open access: yesAmerican Journal of Primatology, Volume 88, Issue 1, January 2026.
Wild blond capuchin anoints with millipede species that secrete a chemical capable of repelling ectoparasites, suggesting a self‐medicative function. Social and solitary anointing bouts occurred at similar frequencies, but with greater engagement by adult males, indicating that anointing is a multifunctional behavior.
Ana Paula de Brito‐Araújo   +8 more
wiley   +1 more source

"Bacurau": uma metáfora dos territórios brasileiros racializados

open access: yesCinema & Território, 2020
O filme "Bacurau" é o objeto deste artigo. Considera-se, aqui, o território de Bacurau, nome fictício, uma metáfora das favelas, das áreas mais pobres do Nordeste, e também uma analogia sobre o Cangaço e uma espécie de Canudos vitoriosa, representável ...
Lucivânia Nascimento dos Santos-Fuser
doaj   +1 more source

On the boundedness of some nonlinear differential equation of second order [PDF]

open access: yes, 2015
In this paper we study the boundedness of the solutions of some nonlinear dofferential equation using as a key tool the Second Lyapunov method, i.e. find sufficient conditions under which the solutions of this equation are bounded.
Guzmán, Paulo Matias   +2 more
core  

GuaB Activity Is Required in Rhizobium tropici During the Early Stages of Nodulation of Determinate Nodules but Is Dispensable for the Sinorhizobium meliloti–Alfalfa Symbiotic Interaction [PDF]

open access: yes, 2005
The guaB mutant strain Rhizobium tropici CIAT8999-10T is defective in symbiosis with common bean, forming nodules that lack rhizobial content. In order to investigate the timing of the guaB requirement during the nodule formation on the host common ...
Aguilar, Orlando Mario   +4 more
core   +4 more sources

Genotype–phenotype interaction in Alzheimer's disease immune activation

open access: yesAlzheimer's &Dementia, Volume 22, Issue 1, January 2026.
Abstract INTRODUCTION Alzheimer's disease (AD) is a neurodegenerative disorder influenced by genetic factors, particularly related to immune activation. This study examines genotype‐phenotype interactions affecting immune responses in AD as a reaction to neurodegeneration.
Stephanie Knudtzon   +18 more
wiley   +1 more source

OS DETERMINANTES PRÓXIMOS DA FECUNDIDADE DE BONGAARTS NO NORDESTE, 1991

open access: yesCadernos de Estudos Sociais, 1995
Este artigo investiga a contribuição dos fatores determinantes próximos da fecundidade sugeridos por Bongaarts para a determinação dos atuais níveis de fecundidade nordestina, utilizando as informações da Pesquisa sobre Saúde Familiar no Nordeste, 1991 ...
Morvan de Mello Moreira
doaj  

Sobreposição de nicho e partilha de recursos entre cinco espécies simpátricas de bufonídeos (Anura, Bufonidae) do nordeste da Argentina [PDF]

open access: yes, 2009
The niche overlap and resource partitioning were analyzed for five sympatric bufonids from Northeastern Argentina: Rhinella schneideri, R. bergi, R. fernandezae, R. granulosa, and Melanophryniscus cupreuscapularis.
Duré Pitteri, Marta Inés   +2 more
core   +2 more sources

Nordeste Caleidoscópio

open access: yesOpiniães
Editorial Opiniães n ...
Lucas Branco de Araujo Motta   +2 more
openaire   +1 more source

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