Results 1 to 10 of about 275 (99)

Through the eyes of the Andean bear: Camera collar insights into the life of a threatened South American Ursid [PDF]

open access: yesEcology and Evolution
Due to Andean bears' propensity for inhabiting challenging environments and terrain, their wild ecology remains poorly understood, especially when compared to other members of the Ursidae family.
Ruthmery Pillco Huarcaya   +4 more
doaj   +3 more sources

An Integrative Approach to Assess the Environmental Impacts of Gold Mining Contamination in the Amazon [PDF]

open access: yesToxics, 2021
As the number of legal and illegal gold mining sites increases in the Andes–Amazonia region, integrative methods to evaluate the effects of mining pollution on freshwater ecosystems are of paramount importance.
Mariana V. Capparelli   +11 more
doaj   +2 more sources

Comparison of urine and semen samples for HPV detection: a cross-sectional study in fertility clinic patients [PDF]

open access: yesJournal of Clinical Microbiology
Human papillomavirus (HPV) is a prevalent sexually transmitted infection linked to genital warts and various cancers. While effective screening methods exist for women, detecting HPV in men remains challenging due to asymptomatic infections and the lack ...
Dayanara Delgado López   +5 more
doaj   +2 more sources

Potential of different area-based governance mechanisms for achieving Global Biodiversity Framework goals [PDF]

open access: yesNature Communications
The Kunming–Montreal Global Biodiversity Framework (GBF) includes a target to protect 30% of land by 2030, identifying other effective area-based conservation measures (OECMs) as complementary to Protected Areas (PAs).
Pablo J. Negret   +11 more
doaj   +2 more sources

Peces de la zona hidrogeográfica de la Amazonía, Colombia

open access: yesBiota Colombiana, 2006
La cuenca del Amazonas cubre alrededor de 6.8 millones de km2 en la cual el río Amazonas, su mayor tributario, tiene una longitud aproximada de 6000 – 7800 km.
Juan David Bogotá-Gregory   +1 more
doaj   +10 more sources

Orchid Diversity at Three Elevations in the Mountain Sandstone Plateaus of the Cordillera del CóndorEcuador

open access: yesDiversity, 2023
Orchids comprise one of the largest families of flowering plants and have important roles in the total biomass, water balance, and nutrient cycling of tropical ecosystems; however, they are also one of the most endangered plant taxa.
Leisberth Vélez-Abarca   +5 more
doaj   +1 more source

Historia e impacto de la literatura científica del Departamento de Madre de Dios, Perú

open access: yesRevista Peruana de Biología, 2008
Los libros, artículos, documentos gubernamentales y otros registros escritos de la biología y conservación de los trópicos llegan a solo una pequeña fracción de sus lectores potenciales.
Nigel C. A. Pitman   +4 more
doaj   +1 more source

Monogenoidea en Serrasalmus rhombeus (Linnaeus, 1766) de la Cuenca Amazónica Boliviana

open access: yesRevista Peruana de Biología, 2013
El presente trabajo analiza la diversidad de parásitos monogenoideos como un carácter indepen- diente, esperando que por su alta especifi cidad, éstos parásitos puedan caracterizar las poblaciones de sus hospederos, la piraña blanca, Serrasalmus rhombeus
Leslie Córdova, Antoine Pariselle
doaj   +1 more source

Olvido de una historia. Reflexiones acerca de la historiografía andino-amazónica

open access: yesRevista de Indias, 2001
Este artículo propone una reflexión acerca del tema del estatuto marginal de la historiografía amazónica y andino-amazónica en particular a partir del enfoque elaborado por Thierry Saignes para implicar el escaso desarrollo de una perspectiva de ...
Frederica Barclay Rey de Castro
doaj   +1 more source

Pharmaceutical compounds in urban drinking waters of Ecuador

open access: yesFrontiers in Environmental Science, 2023
Introduction: Emerging contaminants (ECs) are substances with widely diverse chemical structures that may pose a risk to the environment and human beings.
Eliza Jara-Negrete   +12 more
doaj   +1 more source

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