Results 41 to 50 of about 5,742 (210)

Componentes de produção, produtividade e eficiência da irrigação do feijão-caupi no cerrado de Roraima

Revista Brasileira de Engenharia Agrícola e Ambiental, 2014
Neste trabalho objetivou-se avaliar os componentes de produção, produtividade e eficiência da irrigação do feijão-caupi em lâminas de irrigação no cerrado de Roraima.
Viviana da E. R. Locatelli, Roberto D. de Medeiros, Oscar J. Smiderle, José de A. A. de Albuquerque, Wellington F. Araújo, Kelly T. S. de Souza   +5 more
doaj   +1 more source

Underestimation of avian diversity in the Tumbesian hotspot: Sampling gaps and conservation challenges

Conservation Science and Practice, EarlyView.
This study provides the first comprehensive reassessment of avian diversity in the Tumbesian region in over 30 years, documenting 931 species and identifying significant sampling gaps driven by geographic accessibility. We reveal a critical misalignment between biodiversity value and current protection coverage, particularly in humid forests which ...
Anabel Cueva‐Agila, Leonardo Ordóñez‐Delgado, María Fernanda Tapia‐Armijos, Carlos Iván Espinosa   +3 more
wiley   +1 more source

A year in a Cerrado wet grassland: a non-seasonal island in a seasonal savanna environment Um ano em um campo úmido no Cerrado: uma ilha não-estacional em um ambiente de savana estacional

Brazilian Journal of Biology, 2008
In some Cerrado regions where the water table is superficial and soils are hydromorphic, we may find wet grasslands. We studied temporal changes in some community descriptors, such as species density, plant density, basal area, and cylindrical volume in ...
MV. Cianciaruso, MA. Batalha
doaj   +1 more source

Semeadura direta para restaurar savanas neotropicais

Biodiversidade Brasileira, 2022
Restaurações de savanas neotropicais são muitas vezes realizadas de forma inadequada, desconsiderando características ecológicas dessas vegetações. Ameaçadas pela conversão para atividades agrícolas e introdução de espécies invasoras, a conservação desses ambientes depende da restauração ecológica. Em locais com presença de espécies exóticas invasoras,
Wiederhecker Gabriel, Ana, Scaramello do Nascimento Silva, Eric, de Freitas Sartori, Miguel, Belloni Schmidt, Isabel, Bonesso Sampaio, Alexandre   +4 more
openaire   +3 more sources

Wild Edible Plants in Angola: Diversity, Traditional Uses, Phytochemical Properties, and Socio‐Economic Potential

eFood, Volume 7, Issue 4, August 2026.
Wild edible plants (WEP) in Angola: number of species recorded by family and their distribution ranges; four of the most used WEP: Tamarindus indica (Fabaceae), Carissa spinarum (Apocynaceae), Adansonia digitata (Malvaceae), and Vitex doniana (Lamiaceae).
Claudete Bastos, Ângela Liberal, Margarida Moldão, Lillian Barros, Luís Catarino   +4 more
wiley   +1 more source

Predictive model for a second hip fracture occurrence using natural language processing and machine learning on electronic health records

Scientific Reports
Hip fractures (HFx) are associated with a higher morbidity and mortality rates, leading to a significant reduction in life quality and in limitation of patient´s mobility.
Ricardo Larrainzar-Garijo, Esther Fernández-Tormos, Carlos Alberto Collado-Escudero, María Alcantud Ibáñez, Fernando Oñorbe-San Francisco, Judith Marin-Corral, David Casadevall, David Donaire-Gonzalez, Luisa Martínez-Sanchez, Lucia Cabal-Hierro, Diego Benavent, Fátima Brañas   +11 more
doaj   +1 more source

Climate Risk Perception and Farmers' Willingness to Pay for Hybrid Rice Technology in Southern Togo

Food and Energy Security, Volume 15, Issue 4, July/August 2026.
ABSTRACT Rising climate variability is exerting growing pressure on agricultural production systems and food security across West Africa, necessitating the development and adoption of technologies that enhance productivity and adaptive capacity under uncertain climatic conditions.
Yao Tranquille Yibor, Jiliang Ma, Kossi Samuel Armel Agbokou, Edwin Odhiambo Mumah   +3 more
wiley   +1 more source

Threats to the Cerrado remnants of the state of São Paulo, Brazil Ameaças a fragmentos de Cerrado no estado de São Paulo, Brasil

Scientia Agricola, 2007
Patches of natural vegetation remaining in landscapes occupied by man are continuously under threat due to the edge effects and also to land use types around these remnants.
Giselda Durigan, Marinez Ferreira de Siqueira, Geraldo Antonio Daher Correa Franco   +2 more
doaj   +1 more source

Fossil freshwater fishes from the Pliocene of northern Colombia and the palaeogeography of northern South America

Papers in Palaeontology, Volume 12, Issue 4, July/August 2026.
Abstract Freshwater fishes from the northwestern Colombian Andes are reported from the Pliocene Sincelejo and Ware formations. A total of 10 taxa have been identified, involving two orders, five families and nine genera. Characters from dental morphology, fin spines and cranial bones are provided as taxonomic tools for the study of fossil fishes.
Gustavo A. Ballen, Camilo Montes, Jorge D. Carrillo‐Briceño, Sergio Bogan, Sandra Reinales, Mario C. C. de Pinna, Carlos Jaramillo   +6 more
wiley   +1 more source

Espécies de cerrado com potencial para recuperação de áreas degradadas por mineração de ouro, Paracatu-MG

Revista Árvore, 2011
Com o intuito de selecionar espécies que possam ser testadas na recuperação de áreas com alta concentração de arsênio, foram estudadas 10 áreas de Cerrado degradadas pelo garimpo de ouro em Paracatu, MG.
Andreza Viana Neri, Michellia Pereira Soares, João Augusto Alves Meira Neto, Luiz Eduardo Dias   +3 more
doaj   +1 more source