Results 61 to 70 of about 68,258 (308)

Assessing the evolutionary distinctiveness of a highly threatened plant group: The urgency to preserve a unique lineage of evolution in Brazil

PLANTS, PEOPLE, PLANET, EarlyView.
Brazil's diverse flora is under several threats, with many unique lineages facing extinction, particularly in biodiverse regions like the Cerrado and campo rupestre. This study sheds light on the conservation needs of Cambessedesia (Melastomataceae), an endemic genus with 95% of its species endangered, using an approach to rank and prioritise species ...
Najla Bastos Scheidegger, Raquel C. Pizzardo, Bruno Vilela, Thuane Bochorny, Juliana Gastaldello Rando   +4 more
wiley   +1 more source

Analysis of Land Cover Distribution and Spatial Pattern of Landscape Fragmentation and Connectivity in the Taperoá and Upper Paraíba River Basins, Brazil [PDF]

, 2019
As bacias do alto curso do rio Paraíba e do Taperoá localizam-se na zona semiárida do Estado da Paraíba. Grande parte da delimitação do semiárido possui bosques de Caatinga, que por suas condições bioclimáticas, diversidade e endemismos, torna-se um ...
Albuquerque-Xavier, Rafael, Conceição-Dornellas, Patricia da, Lima, Valéria Raquel Porto de, Silva-Seabra, Vinícius da   +3 more
core   +3 more sources

Avaliação da serapilheira em área de mata ciliar na bacia do rio Gurguéia sul do Piauí

Revista Verde de Agroecologia e Desenvolvimento Sustentável, 2015
Esse trabalho teve como objetivo avaliar ciclagem de nutrientes, através da deposição, estoque e decomposição de serapilheira em um remanescente de mata ciliar na Bacia do Rio Gurguéia.
Jaina Teresa Franco Costa, Leovandes Soares Silva, Allyson Rocha Alves, Alan Cauê Holanda, Eleide Maia Leite, Aluska Kelly Alves Nunes   +5 more
doaj   +1 more source

Riparian Vegetation Structure in a Conservation Unit in the Semi-Arid Region of Paraíba, Brazil

Floresta e Ambiente, 2020
This study aimed to carry out a phytosociological survey in a riparian area of an intermittent stream in the semi-arid region of Paraíba, Brazil. Fifty-one contiguous plots of 10 × 20 m (1.02 ha) were distributed along the watercourse.
Alecksandra Vieira de Lacerda, Francisca Maria Barbosa   +1 more
doaj   +1 more source

Balancing tracks and trees: Assessing railroad impact on Brazilian biodiversity

PLANTS, PEOPLE, PLANET, EarlyView.
The Brazilian West–East Integration Railway (FIOL) aims to boost the national economy by improving commodity transport; however, it crosses three of Brazil's most biodiverse and fragile regions: the Caatinga, Cerrado and Atlantic Forest. Using digitised plant records and land‐use analyses, our study reveals significant vegetation loss within the ...
Ana Luiza Silva Rocha, Anselmo Nogueira, Matheus Colli‐Silva, Juliana Gastaldello Rando   +3 more
wiley   +1 more source

Adaptation of Agro-IBIS model for Eucalyptus carbon budget estimation at regional level- a case study in Sao Paulo State, Brazil [PDF]

, 2019
Highly productive fast-growing Eucalyptus plantations cover more than 5 million hectares in Brazil and exhibit very dynamic carbon fluxes throughout their 6-7 year rotations. These plantations quickly shift from C sources at the beginning of the rotation
Almeida Colmanetti, Michel Anderson, Attia, Ahmed, Bortolucci, Jair, Cabral, Osvaldo, Camargo Lamparelli, Rubens Augusto, Campoe, Otávio, Galdos, Marcelo, Guillemot, Joannès, Laclau, Jean-Paul, Le Maire, Guerric, Nouvellon, Yann, Pereira, Bruno, Vianna Cuadra, Santiago   +12 more
core  

Diversidade polínica das Mimosoideae (Leguminosae) ocorrentes em uma área de caatinga, Pernambuco, Brasil Pollen diversity of Mimosoideae taxa (Leguminosae) from a caatinga region, Pernambuco, Brazil

Acta Botânica Brasílica, 2010
O município de Mirandiba, Pernambuco, considerado prioritário para a conservação da caatinga, apresenta cerca de 25% das espécies de Leguminosae do bioma, sendo 23 espécies em 13 gêneros da subfamília Mimosoideae, das quais 6 espécies são endêmicas ...
Maria Teresa Buril, Francisco de Assis Ribeiro do Santos, Marccus Alves   +2 more
doaj   +1 more source

Detection of Leptospira in cane toads (Rhinella jimi) from urban and rural Paraíba, Brazil

Veterinary Record, EarlyView.
Abstract Background Leptospirosis is a significant zoonosis in tropical regions, where poor sanitation and favourable climate aid its spread. Synanthropic animals such as the cane toad (Rhinella jimi), which share environments with both people and wild and domestic animals, may harbour Leptospira and contribute to urban and rural transmission cycles ...
Karla N. de Souza Rocha, Aline de Lima Peixoto, Lucila S. de Medeiros Pereira, Debora Ferreira Cardoso, Maria L. C. Rodrigues Silva, Sérgio S. de Azevedo, Juliana P. F. de Oliveira, Clebert J. Alves, Mozar Alves Fonseca, Severino S. dos Santos Higino   +9 more
wiley   +1 more source

Diversidade e potencialidades do bioma caatinga sob diferentes manejos no assentamento Vista Alegre-CE. [PDF]

, 2015
Resumo: O manejo da Caatinga através do raleamento tem favorecido o aumento da produção de forragem e manutenção da biodiversidade. Conhecer as espécies vegetais presentes no ecossistema, seu uso e potencial dentro do sistema de produção é essencial para
CAVALCANTE, A. C. R., FRANCO, F. S., MOURÃO, A. E. B., VASCONCELOS, J. M. G.   +3 more
core  

Contribution of water-limited ecoregions to their own supply of rainfall [PDF]

, 2016
The occurrence of wet and dry growing seasons in water-limited regions remains poorly understood, partly due to the complex role that these regions play in the genesis of their own rainfall.
Dolman, A Johannes, Dorigo, Wouter, Gimeno, Luis, Good, Stephen P, Liu, Yi Y, McDowell, Nathan G, Miralles, Diego, Nieto, Raquel, Teuling, Adriaan J, Verhoest, Niko   +9 more
core   +4 more sources