Results 51 to 60 of about 401,604 (216)

Diversity of amphibians in rice fields from northeastern Argentina [PDF]

open access: yes, 2008
Se registró y analizó la diversidad y riqueza de una comunidad de anfibios que habita campos de arroz en el nordeste de Ar.gentina. Las muestras fueron obtenidas en el período comprendido entre octubre 2001 y junio 2003.
Duré Pitteri, Marta Inés   +3 more
core  

Nordeste:

open access: yesRaízes: Revista de Ciências Sociais e Econômicas, 1999
Sem resumo.
openaire   +1 more source

Beyond Core‐Periphery: A Multidimensional Typology of Brazilian Regional Inventive Capacity

open access: yesGrowth and Change, Volume 57, Issue 1, March 2026.
ABSTRACT The geography of invention in Brazil is characterized by a profound and multi‐polarised structure that extends beyond a simple core‐periphery dichotomy. This paper demonstrates this complexity through a multidimensional analysis of inventive capacity (2000–2023), operationalised along four axes—‘how much’, ‘who’, ‘how’, and ‘what’ is invented ...
Ludmilla Rodrigues Costa Gonçalves   +1 more
wiley   +1 more source

Compensation between Resolved and Unresolved Wave Drag in the Stratospheric Final Warmings of the Southern Hemisphere [PDF]

open access: yes, 2015
The role of planetary wave drag and gravity wave drag in the breakdown of the stratospheric polar vortex and its associated final warming in the Southern hemisphere is examined using MERRA reanalyses, and a middle atmosphere dynamical model. The focus of
Pulido, Manuel Arturo   +1 more
core   +1 more source

Acute Toxicity and Genotoxicity of cMoL, a Lectin From Moringa oleifera Seeds With Antifungal Activity Against Cryptococcus Strains

open access: yesJournal of Applied Toxicology, Volume 46, Issue 2, Page 682-696, February 2026.
ABSTRACT Coagulant Moringa oleifera lectin (cMoL) is one of the compounds involved in the application of M. oleifera seeds for traditional water treatment methods. The present study highlights the new biotechnological potential of cMoL lectin as an antifungal agent against Cryptococcus neoformans B3501 and H99 and Cryptococcus gattii R265 strains ...
Matheus Cavalcanti de Barros   +16 more
wiley   +1 more source

Efeitos genéticos e ambientais que afetam a produção de leite e duração da lactação de cabras mestiças no estado da Paraíba Genetic and environmental effects that affect milk production and lactation length of crossbred goats in the state of Paraiba

open access: yesRevista Brasileira de Zootecnia, 2004
Utilizaram-se dados de 689 lactações de 225 cabras Pardo Alpina x Gurguéia filhas de 18 bodes, controladas de 1988 a 1996, criadas na Fazenda Carnaúba, Taperoá-PB, com os objetivos de estudar os efeitos ambientais e estimar parâmetros genéticos para as ...
Edgard Cavalcanti Pimenta Filho   +2 more
doaj   +1 more source

Entre a denúncia e o fatalismo: natureza, sociedade e sertanejos-retirantes na literatura que evoca o Nordeste das secas

open access: yesEstudos Sociedade e Agricultura, 2020
Há consenso de que, no Brasil, a literatura é uma das primeiras áreas a assimilar contribuições sociológicas europeias do final do século XIX, e sob influência do darwinismo social e de teorias deterministas tematizar a raça e o meio.
Liduina Farias Almeida da Costa
doaj   +1 more source

Abundância do Guariba-de-mãos-ruivas (Alouatta belzebul) na reserva biológica Guaribas, Paraíba, Brasil

open access: yesBiodiversidade Brasileira, 2022
O guariba-de-mãos-ruivas (Alouatta belzebul) é um primata com ocorrência restrita à porção oriental da Floresta Amazônica e à Mata Atlântica do nordeste brasileiro.
Anderson Coimbra   +2 more
doaj   +1 more source

Nordeste

open access: yesBoletim Geográfico do Rio Grande do Sul, 2016
.
Ana Maria de Aveline Bertê   +4 more
openaire   +1 more source

Revision of Manettia (Rubiaceae) in Paraguay

open access: yesNordic Journal of Botany, Volume 2026, Issue 2, February 2026.
Manettia Mutis is a Neotropical genus comprising over 100 species, many of which are only known from their original descriptions or, at most, from revisions dating back over 100 years. Recent review studies have remained unpublished for several years. Conventional taxonomic methods are followed.
Silvana Yasmin Gauto   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy