PRODUCCIÓN CIENTÍFICA: Envíos recientes

Mostrando ítems 301-320 de 597

Biochemical potential of methane (BMP) of camelid waste and the Andean region agricultural crops

Meneses Quelal, W.O.; Velázquez Martí, B.; Gaibor Chávez, J.; Niño Ruíz, Zulay (Scopus, 2021)

This paper evaluates the anaerobic digestion of agricultural waste, manure and slaughterhouse residues of species typical of the Andes, such as llama, vicuña and guinea pig; quinoa, amaranth and wheat straw in order to be ...
Psychrophilic Full Scale Tubular Digester Operating over Eight Years: Complete Performance Evaluation and Microbiological Population

Jaimes Estévez, Jaime; Zafra, German; Martí Herrero, Jaime Emilio; Gomez, Christian; Castro, Liliana del Pilar; Escalante Hernández, Humberto (Scopus, 2020)

Most biogas plants in the world run under psychrophilic conditions and are operatedby small and medium farmers. There is a gap of knowledge on the performance of these systemsafter several years of operation. The aim of ...
Analysis of endemism of world arthropod distribution data supports biogeographic regions and many established subdivisions

Liria, Jonathan; Szumik, Claudia; Goloboff, Pablo A. (Scopus, 2020)

We analyzed 769 242 occurrence records for 115 424 species of terrestrial arthropods, from three biodiversity repositories (Global Biodiversity Information Facility (GBIF), Natural History Museum, London, and “Sistema de ...
Phytoremediation of arsenic-contaminated waters by artificial floating island: Literature review

Fonseca, Kalina; Ruiz, Joselyn; Espitia Sarmiento, Edgar F.; Campaña, Edward (Scopus, 2021)

Water is the main way arsenic (As) can ge tinto the human body causing irreversible health damage such as poisoning, skin lesions and various types of cancer. One strategy for addressing pollution of arsenic in aquatic ...
A new species of Leucostethus (Anura: Dendrobatidae) from the Cordillera Mache-Chindul in northwestern Ecuador, with comments on similar Colostethus and Hyloxalus

Vigle, Gregory O.; Coloma, Luis A.; Juan Carlos, Santos; Hernadez Nieto, Sebastián; Ortega Andrade, H. Mauricio; Paluh, Daniel J.; Read, Morley (Scopus, 2020)

We describe a new species of dendrobatid frog, Leucostethus bilsa sp. nov., using molecular, morphological, and acoustic evidence. We also comment on the taxonomic status of four similar Hyloxalus and Colostethus. We provide ...
First ESR dating of quaternary sediments in Mérida Andes, Western Venezuela

Guzmán, Oswaldo; Díaz, MariseL; Campos, Corina; González, Aleida; Vassallo, Riccardo; Arandae, Nataly; Conicelli, Bruno; González Laprea, Jesús (Scopus, 2021)

The main objective of this study is to demonstrate that Electron Spin Resonance (ESR) dating of Quaternary sediments can be performed at Venezuelan Laboratory (Laboratorio de Física de la Materia Condensada – Instituto ...
Determining groundwater availability and aquifer recharge using GIS in a highly urbanized watershed

Conicelli, Bruno; Hirata, Ricardo; Galvão, Paulo; Bernardino, Mariana; Simonato, Mateus; Costa Abreu, Marcio; Aranda, Nataly; Teradab, Rafael (Scopus, 2021)

Extensive urbanized areas, characterized by waterproofed soils, increase runoff, which reduces the rainwater infiltration into the ground. However, water, sewer, and rainwater distribution systems leak, as there is excess ...
Notes on the breeding behaviour and nesting preferences of Blackish nightjar (Nyctipolus nigrescens) in the Napo province in eastern Ecuad

Janse, Jonathan W.E.; Massaine Moulatlet, Gabriel (Scopus, 2020)

We describe the first breeding record of a Blackish nightjar (Nyctipolus nigrescens) in a pasture habitat dominated by tropical grasses (Figure 1(a–d)) located at the buffer zone of the Colonso-Chalupas Biological Reserve, ...
FSplines: A Software for Linear Stability Analysis of Thin-Walled Structures, Version 2.0

Chicaiza Ortiz, Ángel Fabián; Prola, Luis; Gala, Pedro; Chicaiza Ortiz, Cristhian David; Ortiz, Marcia (Springer, 2020)

FSplines is a (geometrically) linear stability analysis tool of thin-walled structures with open section (useful for cold-formed steel profiles), that enables obtaining the bifurcation stresses (critical stress, load and ...
Aquatic bird communities in Andean lakes of Ecuador are increasingly dissimilar over time

Guevara, Esteban A.; Santander G., Tatiana; Espinosa, Rodrigo Eduardo; Graham, Catherine H. (Scopus, 2020)

Andean lakes are important for human well-being and biodiversity conservation, yet human-induced environmental changes threaten their biodiversity and the ecosystem services they provide. Knowledge of the relationship ...
NEOTROPICAL CARNIVORES: a data set on carnivore distribution in the Neotropics

Nagy Reis, Mariana; de Faria Oshima, Júlia Emi; Zukeran Kanda, Claudia; Lopes, Francesca Belem; Rodrigues de Melo, Palmeira Fabiano; Morato, Ronaldo Gonçalves; Bonjorne, Lilian; Magioli, Marcelo; Rohe, Fabio; Leuchtenbe, Caroline; Lemos, Frederico Gemesio; Martello, Felipe; Alves Eigenheer, Milene; Aparecida da Silva, Rafaela; Silveira dos Santos, Juliana; Priante, Camila Fátima; Bernardo, Rodrigo; Rogeri, Patricia; Camara Assis, Julia; Pacciullio Gaspar, Lucas; Álvarez Solas, Sara (Scopus, 2020)

Abstract.Mammalian carnivores are considered a key group in maintaining ecologicalhealth and can indicate potential ecological integrity in landscapes where they occur. Carni-vores also hold high conservation value and ...
Author Correction: Tree mode of death and mortality risk factors across Amazon forests (Nature Communications, (2020), 11, 1, (5515), 10.1038/s41467-020-18996-3)

Esquivel Muelbert, Adriane; Lawrence Phillips, Oliver; Brienen, Roel J W; Fauset, Sophie; Sullivan, MJ; Chao, Kuo Jung; Feldpausch, Ted R.; Gloor, Emanuel; Higuchi, Niro; Duistermaat, J Houwing; Neill, David Alan; Peñuela Mora, María Cristina; Prieto, Adriana; Réjou Méchain, Maxime; Talbot, Joey; Terborgh, John; Thomas, Raquel S; Vos, Vincent Antoine (Scopus, 2021)

The carbon sink capacity of tropical forests is substantially affected by tree mortality. However, the main drivers of tropical tree death remain largely unknown. Here we present a pan-Amazonian assessment of how and why ...
La Botanica en Latinoamérica Realidad y desarrollo vistual: Memorias XII Congreso Latinoaméricano de Botánica

Picón, Gabriel; Valdebenito, Hugo; Argüello, Anita; Asanza, Mercedes; Neil, David; Franco, Wilfredo; Freire Fierro, Alina (2018)

El XII Congreso Latinoamericano de Botánica, tal como se refleja en la presentación del evento, ha sido el producto de tres largos años de preparación, que se iniciaron con un pequeño grupo de entusiastas ...
Microbiota of Wild Fruits from the Amazon Region of Ecuador: Linking Diversity and Functional Potential of Lactic Acid Bacteria with Their Origin

Tenea, Gabriela N.; Jarrín Valladares, Pablo Santiago; Yepez, Lucia (2020)

Subtropical wild fruits are a reservoir of microbial diversity and represent a potential source of beneficial microorganisms. Wild fruits provide essential nutrients, minerals, and antioxidants that contribute to human ...
Measuring Floodplain Inundation Using DielAmplitude of Temperature

Celi, Jorge; Hamilton, Stephen K. (Scopus, 2020)

Assessment of inundation patterns across large and remote floodplains is challenging andcostly. Inexpensive loggers that record the damping of the diel amplitude of temperature (DAT)when submerged compared to overlying ...
Diversity patterns of aquatic macroinvertebrates in a tropical high-Andean catchment

Espinosa, Rodrigo Eduardo; Cauvy Fraunié, Sophie; Andino Guarderas, Patricio; Jacobsen, Dean (Scopus, 2020)

Glacierised catchments are remote and hostile environments, in which streams from different water sources (e.g., glacier melt, rain/snowmelt, groundwater) converge, creating a complex mosaic of stream sites with varying ...
What Drives Household Deforestation Decisions? Insights from the Ecuadorian Lowland Rainforests

Ojeda Luna, Tatiana L.; Eguiguren Velepucha, Paul; Günter, Sven; Torres, Bolier; Dieter, Matthias (Scopus, 2020)

Tropical forests, and more concretely, the Amazon Basin and the Chocó-Darién, are highlyaffected by deforestation activities. Households are the main land-use decision-makers and are keyagents for forest conservation and ...
Towards Industry Improvement in Manufacturing with DMAIC

Acosta Vargas, Patricia; Chicaiza Salgado, Edison; Acosta Vargas, Irene; Salvador Ullauri, Luis; Gonzalez, Mario (Scopus, 2020)

Today, the accelerated development of industry 4.0 and the immer- sion of technologies with the DMAIC methodology, Lean Manufacturing allows higher productivity and continuous improvement of industrial processes. There are ...
Flood Hazard Assessment in Data-Scarce WatershedsUsing Model Coupling, Event Sampling,and Survey Data

Hurtado Pidal, Jorge; Acero Triana, Juan S.; Jarrín Pérez, Fernando (Scopus, 2020)

The application of hydrologic and hydrodynamic models in flash flood hazard assessment is mainly limited by the availability of robust monitoring systems and long-term hydro-meteorological observations. Nevertheless, several ...
Cruzioseptins, antibacterial peptides from Cruziohyla calcarifer skin, as promising leishmanicidal agents

Mendes, Bruno; Proaño Bolaños, Carolina; Gadelha, Fernanda R; de Almeida, José R.; Miguel, Danilo C. (Scopus, 2020)

Screenings of natural products have significantly contributed to the discovery of novel leishmanicidal agents. In this study, three known cruzioseptins—antibacterial peptides from Cruziohyla calcarifer skin—were synthesized ...

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