Results 31 to 40 of about 23,399 (310)

the Caatinga and desertification

open access: yesMercator, 2015
High deforestation in the Caatinga Biome has been generating processes of desertification in several areas, directly altering the biota, the microclimate and the soils, being essential the development of research techniques able to incorporate information which identify the state of natural resources, pointing their relationships and some paths to be ...
Bartolomeu Israel Souza   +2 more
openaire   +1 more source

EXCURSÕES E AULA DE CAMPO EM GEOGRAFIA: UM OLHAR DIFERENTE SOBRE O SEMIÁRIDO

open access: yesRevista 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

Invasão biológica por Prosopis juliflora (Sw.) DC.: impactos sobre a diversidade e a estrutura do componente arbustivo-arbóreo da caatinga no Estado do Rio Grande do Norte, Brasil Biological invasion by Proposis juliflora (Sw.) DC.: impacts on diversity and structure of the shrubby-arboreal component of caatinga in the State of Rio Grande do Norte, Brazil

open access: yesActa 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

Towards Uncovering Three Decades of LULC in the Brazilian Drylands: Caatinga Biome Dynamics (1985–2019)

open access: yesLand
Dryland regions around the world are facing intricate challenges due to climate change and human activities. The Caatinga biome in Brazil, an exceptional dryland ecosystem covering approximately 86.3 million hectares, is particularly impacted by human ...
Washington J. S. Franca Rocha   +13 more
semanticscholar   +1 more source

Determinação do fator de cobertura e dos coeficientes da MUSLE em microbacias no semiárido brasileiro

open access: yesRevista 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

Low-carbon agricultural technologies improve forage and feed production in the Caatinga biome, Brazil: Characteristics, comparison, effects of climate change, resilience, local development, and food security

open access: yesScientia Agropecuaria
Adjustments in Brazilian livestock are necessary to minimize greenhouse gas (GHG) emissions, since the largest source of methane comes from ruminants’ enteric fermentation, and of carbon from deforestation.
Vanina Zini Antunes de Mattos   +4 more
doaj   +1 more source

Emergência e vigor de Tabebuia aurea (Silva Manso) Benth. & Hook.f. ex S.Moore em função de diferentes tempos de imersão em água

open access: yesRevista Principia, 2021
Considerando as estratégias de recuperação de áreas degradadas e a necessidade de estudos relacionados à tecnologia de produção vegetal, objetivou-se com a pesquisa avaliar a influência dos diferentes tempos de imersão em água na emergência e vigor das ...
Romário de Sousa Almeida   +4 more
doaj   +1 more source

Parasitoids collected in the Caatinga [PDF]

open access: yes, 2021
The Caatinga is the only biome restricted to the Brazilian territory, occupying basically the Region Northeast, with some areas in the state of Minas Gerais. Caatinga vegetation does not have green exuberance rainforests and the dry aspect of the physiognomies dominated by cacti and shrubs suggests low diversification of fauna and flora.
openaire   +1 more source

Food Plants in the Caatinga [PDF]

open access: yes, 2021
Cacti such as Cereus jamacaru DC. (mandacaru), Opuntia ficus-indica (prickly pear), Nopalea cochenillifera (cochineal cactus), and Pilosocereus gounellei (xique-xique), found in the Caatinga biome, in the semiarid region in northeastern Brazil, have been highlighted for their environmental, economic, and medicinal importance, as well as their use in ...
Daline Fernandes de Souza Araújo   +11 more
openaire   +1 more source

PHYSICAL AND CHEMICAL DEFENSES OF Cenostigma pyramidale (FABACEAE): A PIONEER SPECIES IN SUCCESSIONAL CAATINGA AREAS

open access: yesRevista Caatinga, 2021
Cenostigma pyramidale, a pioneer species presents in all different successional stage (early, intermediate and late) of fifteen natural regeneration areas of Caatinga after land used changed and abandonment was used to investigates the morphological and ...
Izabella Maria Cintra Ribeiro   +3 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy