Results 21 to 30 of about 2,386 (115)

Diversificación del turismo mediante rutas culturales en la parroquia Manglaralto, provincia de Santa Elena

Siembra, 2022
El trabajo se desarrolló en la parroquia Manglaralto en la provincia de Santa Elena, cuyo objetivo fue generar nuevas rutas turísticas culturales en el marco de la sostenibilidad y diversificación de la oferta santaelenense, como una alternativa para ...
Arnaldo Efrén Mendoza Tarabó, Jhony Ernesto Yumisaca Tuquinga, Silvia Paola Peralta Mendoza   +2 more
doaj   +1 more source

Risk reduction, rangeland use, and the future of human–carnivore coexistence

Conservation Biology, EarlyView.
Abstract Efforts to reduce livestock losses to large carnivores are widely regarded as essential for promoting human–carnivore coexistence. Predator‐proof enclosures, compensation programs, improved livestock guarding, and real‐time predator alert systems can reduce depredation and retaliatory killing while enhancing pastoralist livelihoods.
Craig Packer
wiley   +1 more source

It Takes Two to Tango: A Pluralist Account for Building Comprehensive Explanations in Human Evolution

American Anthropologist, Volume 128, Issue 3, Page 494-510, September 2026.
ABSTRACT The evolutionary study of human dispersal is a key topic in biological anthropology. However, recent research has revealed inconsistencies between molecular and anatomical data across different timescales and geographic regions. Despite increased interdisciplinary dialogue, these discordances are rarely analyzed in depth or interpreted for ...
Lumila Paula Menéndez, Sophie Veigl
wiley   +1 more source

Extensive but fragmented evidence limits understanding of factors shaping farmers' decisions regarding diversified farming systems: A global evidence map

People and Nature, Volume 8, Issue 7, Page 2212-2232, July 2026.
Abstract Diversified farming systems are increasingly recognised for their potential to enhance the sustainability and resilience of food systems. Yet it remains unclear whether empirical research adequately captures the drivers and constraints shaping farmers' decisions regarding diversified farming systems across stages of decision‐making ...
Andrea C. Sánchez Bogado, Damien Beillouin, Natalia Estrada‐Carmona, Cécile Chéron‐Bessou, Bruno Rapidel, Sarah K. Jones   +5 more
wiley   +1 more source

Efecto diversificación y volatilidad Garch en portafolios de inversión

Quipukamayoc, 2018
Objetivo: Demostrar la incidencia de la diversificación en la reducción de la volatilidad estocástica en un portafolio de inversión. Método: Es un tipo de investigación cuantitativa, causal y explicativa que tiene como base la cuantificación y análisis ...
Pedro Pablo Chambi Condori
doaj   +1 more source

Little devils of Neotropical forests: A first molecular phylogeny of stygnid harvestmen with UCE‐museomics and a gigamatrix approach (Arachnida, Opiliones, Stygnidae)

Systematic Entomology, Volume 51, Issue 3, July‐September 2026.
First family‐wide phylogenomic framework of Stygnidae using UCE‐museomics and a gigamatrix approach establishes a novel three‐subfamily classification, erecting the new subfamily Auraninae subfam. nov. Signatures of severe incomplete lineage sorting and short deep internodes suggest a rapid early‐burst Neotropical radiation, driving phylogenetic ...
Dongyoung Kim, Aylin Alegre‐Barroso, Gonzalo Giribet   +2 more
wiley   +1 more source

¿Agrega Valor el Modelo Black-Litterman en Portafolios del Mercado Integrado Latinoamericano (MILA)? Evaluación Empírica 2008-2016 || Does the Black-Litterman Model Add Value in Portfolios of the Integrated Latin American Market (MILA)? Empirical Evaluation 2008-2016

Revista de Métodos Cuantitativos para la Economía y la Empresa, 2019
El modelo de Black-Litterman (BL) ha sido propuesto como alternativa al de media-varianza de Markowitz para la estructuración de portafolios de activos financieros, permitiendo incorporar perspectivas de analistas fundamentales y garantizando un alto ...
Luna-Ramirez, Susana, Agudelo, Diego A.
doaj  

ANOTACIONES A LA ESTRUCTURA ESPACIAL DE LA INDUSTRIA EN ECUADOR

Papeles de Geografí­a, 1993
Con una estructura económica sustentada en la agricultura hasta los años setenta el petróleo se ha encargado posteriormente de introducir fuertes modiicaciones, auspiciadas por el Estado que ha refoaado el papel de actividades favorecidas.
Francisco Cebrián, Aurelio Cebrián
doaj  

Analysing the relationship between diversification strategy and firm performance: the role of the economic cycle

Management Letters/Cuadernos de Gestión, 2019
The relationship between corporate strategies and firm performance has been one of the key debates in the discipline of Strategic Management. There are studies that analyse the moderating role that certain variables may play in that relationship.
Esteban López Zapata, Fernando Enrique García Muiña, Susana María García Moreno   +2 more
doaj   +1 more source

Panama Canal expansion and shifts in fishing practices: A social‐ecological network approach

People and Nature, Volume 8, Issue 5, Page 1520-1532, May 2026.
Abstract Species introductions have spiked over the past two centuries due to globalization. These introductions impact ecosystems, but may also have long‐term implications for human communities. In one of the world's hubs for global shipping, the Panama Canal, a recent canal expansion has coincided with an increase in marine fishes entering the ...
Michelle Hübel, Gustavo A. Castellanos‐Galindo, Jonathan M. Jeschke, Jorge Abadia, Victor Bravo, Elizabeta Briski, Rigoberto Gonzalez, Diana Sharpe, Mark E. Torchin, Marisol P. Valverde, Lotta C. Kluger   +10 more
wiley   +1 more source