Results 71 to 80 of about 24,737 (189)

FLORA VASCULAR DE UMA ÁREA DE CAATINGA NO ESTADO DA PARAÍBA - NORDESTE DO BRASIL [PDF]

open access: yes, 2010
A caatinga abrange cerca de 70% do território nordestino e, apesar disto estudos realizados sobre sua riqueza natural são ainda insuficientes, especialmente enfocando a diversidade florística do bioma como um todo, particularmente no Estado da Paraíba ...
Melo, José Iranildo Miranda de   +1 more
core  

Taxas de crescimento de mudas de catingueira submetidas a diferentes substratos e sombreamentos Growth rates of catingueira seedlings submitted to different substrates and shading

open access: yesRevista Árvore, 2009
A catingueira (Caesalpinia pyramidalis Tul.) é uma espécie nativa da caatinga dotada de grande resistência à seca e de grande potencial econômico. No entanto, não existem informações sobre o desenvolvimento dessa espécie em diferentes substrates e ...
Bárbara França Dantas   +6 more
doaj   +1 more source

UHPLC‐DAD‐HRMS2 Characterization of Novel Dihydrochalcone Conjugates From the Antiviral Mansoa hirsuta Extracts: Diagnostic Fragmentation Pathways and Dereplication of Oligomeric Polyphenols

open access: yesJournal of Mass Spectrometry, Volume 61, Issue 11, November 2026.
ABSTRACT High‐resolution mass spectrometry (HRMS) coupled with ultra‐high‐performance liquid chromatography (UHPLC) enables rapid characterization of complex polyphenolic constituents in medicinal plants. Mansoa hirsuta (Bignoniaceae), a neotropical liana traditionally used to treat infectious diseases, remains poorly characterized chemically.
Adriana Cotta Cardoso Reis   +6 more
wiley   +1 more source

Arbóreas forrageiras [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Programa de Pós-Graduação em Agroecossistemas, Florianópolis, 2011A Caatinga é o bioma predominante no Nordeste do país e o único exclusivamente brasileiro.

core  

Diet of a bromeligenous species of treefrog in the Brazilian semiarid

open access: yesBrazilian Journal of Biology
Phyllodytes tuberculosus is a bromeligenous anuran species whose geographic distribution is restricted to areas of the Caatinga and to transition zones between Caatinga and Atlantic Forest in the central-south of the state of Bahia.
Silvana Souza de Oliveira   +2 more
doaj   +1 more source

Mucorales isolados do solo de mineração de cobre e produção de amilase e inulinase Mucorales isolated from copper-mining soils and production of amylase and inulinase

open access: yesActa Botânica Brasílica, 2006
A presença de metais pesados no solo proporciona impacto sobre os microrganismos, vegetação e os processos funcionais do ecossistema. Visando comprovar que Mucorales são afetados pela extração de cobre na Mineradora Caraíba, Jaguarari, BA, espécies de ...
André Luiz Cabral Monteiro Azevedo Santiago   +1 more
doaj   +1 more source

Brazil seed transfer zones: Supporting seed sourcing for climate‐resilient ecosystem restoration

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 6, Page 2293-2305, November 2026.
Brazil has tens of millions of hectares of degraded land that must be restored to meet national and global biodiversity and climate goals. Sowing genetically diverse native seeds is key to restoring degraded lands to climate‐resilient landscapes, but we still lack guidance on how to effectively match seed sources to restoration sites across broad ...
Mateus Silva   +17 more
wiley   +1 more source

Projeto Manejo da Caatinga: pesquisas em desenvolvimento. [PDF]

open access: yes, 1978
Projeto Manejo da Caatinga; Área Produção animal; Equipe; Subprojeto I. Manejo de caatinga em base conservacionista para produção animal; Subprojeto II. Melhoramento de pastagens na Caatinga; Subprojeto III.
EMBRAPA. Centro de Pesquisa Agropecuária do Trópico Semi-Árido.
core   +1 more source

Mapping ethnobotanical aspects of the iconic Mandacaru cactus, Cereus jamacaru DC. in Brazil: a scientometric review [PDF]

open access: yesBrazilian Journal of Biology
Cereus jamacaru DC. occurs in the central-eastern region of Brazil and is among the best-known cacti in the country. Its phytochemical properties and fruits hold great significance to the local communities.
A. Bezerra-Silva   +7 more
doaj   +1 more source

Drivers of the Functional and Taxonomic Dark Diversity of Regional Flea Assemblages in Four Biogeographic Realms

open access: yesEcological Research, Volume 41, Issue 6, November 2026.
The functional and the traditional (= taxonomic) approaches to dark diversity measurement were applied to investigate environmental and host‐associated factors affecting regional dark diversity size and community completeness in four biogeographic realms.
Boris R. Krasnov
wiley   +1 more source

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