Results 31 to 40 of about 68,841 (298)
Análise espectral e avaliação de índices de vegetação para o mapeamento da caatinga
Revista Verde de Agroecologia e Desenvolvimento Sustentável, 2015 A caatinga é um bioma de grande diversidade que cobre a maior parte da área de clima semiárido brasileiro. Várias técnicas já foram utilizadas com o objetivo de determinar quantitativamente e qualitativamente o estado da vegetação a partir de imagens de ...
Paulo Roberto Megna Francisco +4 more
doaj +1 more source
Bryophytes from some Caatinga areas in the state of Bahia (Brazil) [PDF]
, 1998 The caatinga is a deciduous and xerophilous vegetation that covers large areas in Brazil. An irregular rainfall with a marked dry period is a characteristic feature.
Albertos, Belén +2 more
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Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)
The Anatomical Record, EarlyView.Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto +3 more
wiley +1 more source
Acta Botânica Brasílica, 2009 Este trabalho teve como objetivos estudar os impactos causados pela invasão da algaroba - Prosopis juliflora (Sw.) DC. sobre a fitodiversidade e a estrutura do componente arbustivo arbóreo da caatinga.
Leonaldo Alves de Andrade +2 more
doaj +1 more source
Biofuels, Bioproducts and Biorefining, EarlyView.Abstract The long‐term viability of Jatropha curcas as a biodiesel feedstock has been widely debated. Many early initiatives failed to deliver consistent economic returns despite promising environmental attributes. This study re‐evaluated J. curcas‐based systems within an integrated environmental–economic framework, focusing on their potential role in ...
Eduardo Sansão Sozinho Maurício +3 more
wiley +1 more source
Revista Brasileira de Engenharia Agrícola e Ambiental, 2014 Objetivou-se, neste estudo, calibrar e validar os fatores C da Equação Universal de Perdas de Solo e os coeficientes da Equação Universal de Perdas de Solo Modificada, para as coberturas de Caatinga Nativa, Caatinga Raleada e Capim (pós desmatamento e ...
Júlio C. N. dos Santos +5 more
doaj +1 more source
Biological Reviews, EarlyView.ABSTRACT Tool use research has long made the distinction between tool using that is considered learned and flexible, and that which appears to be instinctive and stereotyped. However, animals with an inherited tool use specialisation can exhibit flexibility, while tool use that is spontaneously innovated can be limited in its expression and facilitated
Jennifer A. D. Colbourne +1 more
wiley +1 more source
Improving glass Ionomer performance through plant extracts: a systematic review of in vitro studies
Biomaterial Investigations in DentistryObjective: This systematic review aimed to systematically map and synthesize the available evidence from in vitro studies on the modification of Glass Ionomer Cements (GICs) with plant extracts, with a specific focus on evaluating their effects on the ...
Israel Luís Diniz Carvalho +7 more
doaj +1 more source
EXCURSÕES E AULA DE CAMPO EM GEOGRAFIA: UM OLHAR DIFERENTE SOBRE O SEMIÁRIDO
Revista Ensino de Geografia, 2020 O semiárido nordestino envolve uma área de aproximadamente 1.120.000 km² distribuído entre 1.262 municípios. Embora seja tratado muitas vezes como ambiente seco e adverso, o semiárido apresenta uma ampla diversidade de elementos naturais, histórico ...
Thiago dos Santos Dantas +1 more
doaj +1 more source
Use of Neurospora crassa as fungus model for systems biology of Moniliophthora perniciosa hyphae proteins: case study of polygalacturonases : S01P13 [PDF]
, 2013 Moniliophthora perniciosa, the fungus responsible for the witches' broom disease, brought serious problems to cacao (Theobroma cacao L.) cultivation in the infected areas such as in Southern Bahia, Brazil.
Carvalho, H.A.S. +2 more
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