Results 11 to 20 of about 56,872 (198)

Análisis crítico acerca del perfeccionamiento del proceso de otorgamiento de las licencias ambientales para la minería niquelífera cubana

open access: yesCiencias Holguín, 2010
Se abordó el perfeccionamiento continuo de la gestión ambiental que implica elevar la efectividad del proceso de otorgamiento de las licencias ambientales a través de la aplicación consecuente de la teoría del riesgo y la vulnerabilidad para la toma de ...
Oscar Santiago Barzaga Sablón   +2 more
doaj   +1 more source

Tasa de descuento: aspectos relevantes para el licenciamiento ambiental en Colombia [PDF]

open access: yesDesarrollo y Sociedad, 2020
En el licenciamiento ambiental en Colombia, la tasa de descuento es el parámetro relevante para comparar los costos y beneficios de los proyectos. Actualmente, el criterio del 12 % establecido prioriza el consumo presente sobre el futuro.
Raúl Castro R.   +2 more
doaj   +1 more source

Lo uno y lo múltiple : una autoetnografía en un centro para refugiados en el sureste de Italia.

open access: yesRevista de Antropología y Sociología Virajes, 2020
Este texto fue escrito por una estudiante de antropología en 2005, a partir de notas escritas por la misma estudiante, cinco años atrás. Muestra la tensión producida por tener que escribir algo con valor académico para que sea aceptado como antropología,
Aída Lucía Sánchez Pérez
doaj   +1 more source

Low‐coverage whole genome sequencing for highly accurate population assignment: Mapping migratory connectivity in the American Redstart (Setophaga ruticilla)

open access: yesMolecular Ecology, Volume 32, Issue 20, Page 5528-5540, October 2023., 2023
Abstract Understanding the geographic linkages among populations across the annual cycle is an essential component for understanding the ecology and evolution of migratory species and for facilitating their effective conservation. While genetic markers have been widely applied to describe migratory connections, the rapid development of new sequencing ...
Matthew G. DeSaix   +14 more
wiley   +1 more source

Seasonality regulates the structure and biogeochemical impact of ectomycorrhizal fungal communities across environmentally divergent neotropical dry forests

open access: yesJournal of Ecology, Volume 111, Issue 8, Page 1598-1613, August 2023., 2023
These results highlight the importance of seasonality and plant community composition in shaping different aspects of SDTF ECM fungal community structure and diversity as well as the potential for both the plant and fungal components of ECM symbioses to impact soil functioning across heterogenous SDTFs.
Katilyn V. Beidler   +10 more
wiley   +1 more source

La justicia hídrica en los discursos sobre la asignación del agua para el sector hidroeléctrico en Colombia

open access: yesCampos en Ciencias Sociales, 2023
Este documento analiza los discursos que orbitan alrededor de la asignación del agua para el sector hidroeléctrico en Colombia en el marco de la justicia hídrica.
Vanessa Alejandra León Montealegre   +1 more
doaj   +1 more source

Demographic and spatially explicit landscape genomic analyses in a tropical oak reveal the impacts of late Quaternary climate change on Andean montane forests

open access: yesMolecular Ecology, Volume 32, Issue 12, Page 3182-3199, June 2023., 2023
Abstract The tropical Andes are one of the most important biodiversity hotspots on Earth, yet our understanding of how their biotas have responded to Quaternary climatic oscillations is extraordinarily limited and the alternative models proposed to explain their demographic dynamics have been seldom formally evaluated. Here, we test the hypothesis that
Joaquín Ortego   +5 more
wiley   +1 more source

Does sexual conflict contribute to the evolution of novel warning patterns?

open access: yesJournal of Evolutionary Biology, Volume 36, Issue 3, Page 563-578, March 2023., 2023
Why warning patterns are so diverse is an enduring evolutionary puzzle. Because predators associate particular patterns with unpleasant experiences, an individual’s predation risk should decrease as the local density of its warning pattern increases, promoting pattern monomorphism.
Alexander E. Hausmann   +8 more
wiley   +1 more source

Aproximación preliminar a un índice multimétrico de macroinvertebrados (IMARBO) para evaluar el estado ecológico de ríos de las cuencas alta y media del río Chicamocha en Boyacá, Colombia

open access: yesGestión y Ambiente, 2020
Se desarrolló una propuesta preliminar de un Índice Multimétrio de Macroinvertebrados para Ríos del Departamento de Boyacá (IMARBO) con el fin de valorar el estado ecológico de cinco ríos y quebradas de las cuencas alta y media del río Chicamocha.
Daniel-Alexander Vera-Sánchez   +1 more
doaj   +1 more source

Length‐Weight Relationships and Relative Condition Factor of 53 Species of Shallow‐Water Fish in the Colombian Caribbean Sea

open access: yesJournal of Applied Ichthyology, Volume 2023, Issue 1, 2023., 2023
Length‐weight relationships (LWR) were described for 53 species of shallow‐water fish caught with bottom trawls in a depth range between 7.3 and 108.1 m during September 2013 in the Colombian Caribbean Sea (fishing area 31 of the FAO). A linear regression was performed using the logarithmically transformed data to calculate a and b coefficients and ...
Alfredo Rodriguez   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy