Results 21 to 30 of about 61,640 (228)

Assessment of Long-Term Watershed Management on Reservoir Phosphorus Concentrations and Export Fluxes. [PDF]

open access: yes, 2018
Source water nutrient management to prevent eutrophication requires critical strategies to reduce watershed phosphorus (P) loadings. Shanxi Drinking-Water Source Area (SDWSA) in eastern China experienced severe water quality deterioration before 2010 ...
Chen, Han   +9 more
core   +1 more source

Arsenic in rice agrosystems (water, soil and rice plants) in Guayas and Los Rios provinces, Ecuador [PDF]

open access: yes, 2016
Geogenic arsenic (As) can accumulate and reach high concentrations in rice grains, thus representing a potential threat to human health. Ecuador is one of the main consumers of rice in South America.
Atiaga, O.   +6 more
core   +1 more source

Segmentation by Motivation in Ecotourism: Application to Protected Areas in Guayas, Ecuador [PDF]

open access: yesSustainability, 2019
Among tourists, there is recently a growing interest in the environment and enjoying the natural world. This study analyzed the motivations and segmentation of the demand for ecotourism, using functional theory as a reference point. Empirical analysis was carried out in Santay National Recreation Area, Morro Mangrove Wildlife Refuge, and Samanes ...
Mauricio Carvache-Franco   +2 more
openaire   +2 more sources

Innovación alimentaria con el arroz, versátil y sostenible

open access: yesRevista Científica Ciencia y Tecnología
Las tendencias de innovación alimentaria impulsan a la creación de productos donde se involucre la sostenibilidad y el aprovechamiento de su derivados y subproductos funcionales y fortificados.
Pablo Santiago Granda León   +1 more
doaj   +1 more source

El rol del storytelling en la conservación del patrimonio cultural: el caso de Santa Lucía, Guayas

open access: yesTurismo y Patrimonio
El documento aborda el papel del storytelling en la conservación del patrimonio cultural, centrándose en el caso de Santa Lucía, Guayas. En un contexto donde las tradiciones culturales enfrentan desafíos como la migración, la falta de interés en las ...
Jorge Rodrigo Ruíz Murillo   +3 more
doaj   +1 more source

Seroprevalencia de la enfermedad de Chagas en donantes de sangre. Cruz Roja de Guayaquil. Ecuador

open access: yesKasmera, 2021
El objetivo de la investigación fue clasificar donantes seropositivos atendiendo a procedencia, edad, sexo y ocupación y determinar prevalencia de infección. Se trató de un estudio descriptivo, de campo, no experimental, de corte transversal.
Glenda Coromoto Velásquez Serra   +2 more
doaj   +1 more source

Apropiación de Instagram por las cadenas comerciales Sweet & Coffee y Juan Valdez en Ecuador

open access: yesImpulso
Instagram es clave para el crecimiento de los negocios, construye marca visual, impulsa ventas y mide impacto de estrategias de marketing digital. El objetivo de la presente investigación fue analizar la apropiación del uso de esta red social por las ...
Karla Melissa Ruiz Quezada   +2 more
doaj   +1 more source

Adherence to Treatment in Allergic Rhinitis During the Pollen Season in Europe: A MASK‐air Study

open access: yesClinical &Experimental Allergy, Volume 55, Issue 3, Page 226-238, March 2025.
In a study assessing mobile health data, (i) adherence to rhinitis medication was highest for oral antihistamines and lowest for azelastine‐fluticasone, (ii) in weeks of partial adherence, azelastine‐fluticasone was associated with lower levels of reported rhinitis symptoms than other medication classes.
Bernardo Sousa‐Pinto   +121 more
wiley   +1 more source

Rights of nature in global perspective: legal pathways and policy implications

open access: yesFrontiers in Environmental Science
This Policy and Practice Review maps the global evolution of Rights of Nature (RoN) frameworks, legal approaches that treat ecosystems as rights-bearing subjects rather than objects of regulation for human benefit.
Carmen Arreaga-Vicuña   +9 more
doaj   +1 more source

First record of the pale-faced bat Phylloderma stenops Peters 1865 (Chiroptera: Phyllostomidae) in the province of Guayas, Southwest Ecuador [PDF]

open access: yesCheck List, 2014
We report the first record of Phylloderma stenops in the province of Guayas, Ecuador. The specimen was captured in a heavily disturbed area, surrounded by small remnants of semi-deciduous lowland forests.
Jaime Salas   +3 more
doaj   +3 more sources

Home - About - Disclaimer - Privacy