Results 71 to 80 of about 655,997 (257)
El bajo delta del Colorado es, con base en el analisis etnohistorico de documentos virreinales de finales del s. XVII y del s. XVIII, el area nuclear de una region de intensa efervescencia interetnica. En esta dinamica social estaban integradas todas las sociedades del tercio norte del Desierto de Sonora, tanto las sedentarias como aquellas que basan ...
openaire +1 more source
Notas sobre la nidificación del Chopí (Gnorimopsar chopi) en Argentina y Paraguay, con datos de cría cooperativa y de parasitismo de cría por el Tordo Pico Corto (Molothrus rufoaxillaris) [PDF]
Fil: Fraga, Rosendo Manuel. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos.
Fraga, Rosendo Manuel
core
Traceability of Agri‐Food Products: The Key to Conscious Trade
ABSTRACT Globalization and growing concerns about sustainability have led to improvements in product traceability, quality, and sustainability. Traceability contributes to environmental protection and supports sustainable development by fostering transparency in agricultural practices and encouraging the responsible use of resources.
Scarlett Queen Almeida Bispo +5 more
wiley +1 more source
Se colocaron muestreadores de material acrílico con portaobjetos a nivel subsuperficial en dos estaciones de recolección en la parte alta del río Medellín.
Yimmy Montoya M, John J Ramírez R
doaj
Adversarial Risk Análysis for Counterterrorism Modelling [PDF]
Recent large scale terrorist attacks have raised interest in models for resource allocation against terrorist threats. The unifying theme in this area is the need to develop methods for the analysis of allocation decisions when risks stem from the ...
Ríos Insúa, David, Ríos, Jesús
core
Applications of the Conceptual Density Functional Theory Indices to Organic Chemistry Reactivity [PDF]
Indexación: Web of ScienceTheoretical reactivity indices based on the conceptual Density Functional Theory (DFT) have become a powerful tool for the semiquantitative study of organic reactivity.
Domingo, Luis R. +2 more
core +2 more sources
Abstract Premise Flowers that present their anthers and stigma in close proximity can achieve precise animal‐mediated pollen transfer, but risk self‐pollination. One evolutionary solution is reciprocal herkogamy. Reciprocity of anther and style positions among different plants (i.e., a genetic dimorphism) is common in distylous plants, but very rare in
Steven D. Johnson +5 more
wiley +1 more source
The manuscript reflects the opinion of the authors about the need for a hydromorphological approach for the management of Chilean rivers. A brief state-of-the-art of the recent scientific advances on hydromorphological approach to river management is ...
ANDREA ANDREOLI +8 more
doaj
La subcuenca del río Teusacá presenta alta actividad urbanística e industrial en, aproximadamente, el 50% de su superficie, lo cual, ha generado vertimientos de aguas residuales al ambiente acuático.
Estrella Cárdenas-Castro +3 more
doaj +1 more source
En las lineas que siguen abordamos un asunto ya viejo y largamente debatido, la existencia o no de Feudalismo en la Peninsula Iberica, desde una perspectiva local cenida a un territorio concreto pero claramente ejemplificador del condicionamiento impuesto por estudios historicos vacios e improductivos en lo que se refiere a su sustento empirico y ...
openaire +1 more source

