Results 1 to 10 of about 44,311 (140)

Different land-use types equally impoverish but differentially preserve grassland species and functional traits of spider assemblages

open access: yesScientific Reports, 2021
Land-use change is one of the major drivers of biodiversity loss by introducing environmental modifications, which excludes native species unable to adapt to the novel conditions.
Carolina M. Pinto   +3 more
doaj   +1 more source

The production systems in the Final Upper Palaeolithic Lithic Assemblages: the case of Asup level from Molí del Salt site (Vimbodí i Poblet, Tarragona)

open access: yesZephyrus, 2014
In this paper we present the results of core analysis of Asup level from Molí del Salt site (Vimbodí i Poblet, Tarragona/Spain), dated to ca. 11 ka 14C BP (c. 12700-13000 years cal BP).
Sergio GARCÍA CATALÁN   +3 more
doaj   +1 more source

A dual perspective on the microwave-assisted synthesis of HCN polymers towards the chemical evolution and design of functional materials

open access: yesScientific Reports, 2020
In this paper, the first study on NH4CN polymerization induced by microwave radiation is described, where a singular kinetic behaviour, especially when this reaction is conducted in the absence of air, is found.
Lucía Hortal   +5 more
doaj   +1 more source

Cáncer de mama en seis familias del Tolima y el Huila: mutación BRCA1 3450del4

open access: yesBiomédica: revista del Instituto Nacional de Salud, 2020
Introducción. El cáncer de mama es un problema mundial de salud pública; entre el 5 y el 10 % de los casos presentan agregación familiar, lo que se explicaría por la presencia de mutaciones en genes de alto riesgo como el BRCA1 y el BRCA2.
Jennyfer Benavides   +9 more
doaj   +1 more source

Perfil y evolución de pacientes crónicos complejos en una unidad de subagudos

open access: yesAtención Primaria, 2017
OBJECTIVE: To improve the management of geriatric pluripathologic patients in Catalonia, the identification of chronic complex patient (PCC) or patients with advanced chronic disease (MACA) has been promoted. Patients with exacerbated chronic diseases are promoted to be admitted in subacute units (SG) located in intermediate hospitals and specialized ...
Gual, Neus   +5 more
openaire   +3 more sources

Conservation strategies for endangered arable plant Euphorbia gaditana

open access: yesConservation Science and Practice, 2022
Fragmentation and habitat loss are considered among the most important threats to biodiversity. More precisely, transformation of natural habitats into farmlands has been identified as one of the primary causes of plant species extinction.
Sonia G. Rabasa   +4 more
doaj   +1 more source

LA TOPOGRAFÍA URBANA DEL CÁDIZ MODERNO Y SU EVOLUCIÓN

open access: yesRevista Atlántica-Mediterránea de Prehistoria y Arqueología Social, 2008
Durante la Edad Moderna, Cadiz alcanza su maximo esplendor gracias a su singular emplazamiento y a su protagonismo en las relaciones con la America hispana. A ello se anade el caracter de presidio militar, que obliga a las autoridades a cuidar permanentemente de su defensa. En estos aspectos se fundamenta una topografia urbana peculiar y un crecimiento
openaire   +1 more source

Structural and gene composition variation of the complete mitochondrial genome of Mammillaria huitzilopochtli (Cactaceae, Caryophyllales), revealed by de novo assembly

open access: yesBMC Genomics, 2023
Background Structural descriptions of complete genomes have elucidated evolutionary processes in angiosperms. In Cactaceae (Caryophyllales), a high structural diversity of the chloroplast genome has been identified within and among genera. In this study,
David Cruz Plancarte, Sofía Solórzano
doaj   +1 more source

Unraveling the ecological processes modulating the population structure of Escherichia coli in a highly polluted urban stream network

open access: yesScientific Reports, 2021
Escherichia coli dynamics in urban watersheds are affected by a complex balance among external inputs, niche modulation and genetic variability. To explore the ecological processes influencing E.
Martín Saraceno   +6 more
doaj   +1 more source

Fostering urban transformations in Latin America: lessons around the ecological management of an urban stream in coproduction with a social movement (Buenos Aires, Argentina)

open access: yesEcology and Society, 2019
Collaborative community-based approaches are proposed as a way to overcome the difficulties exerted by a broad range of social-ecological traps that emerge at the reconfiguration of social-ecological systems onto sustainable paths.
Martin Graziano   +5 more
doaj   +1 more source

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