Results 11 to 20 of about 1,708 (164)

Effects of interactions between anthropogenic stressors and recurring perturbations on ecosystem resilience and collapse. [PDF]

Conserv Biol, 2023
Abstract Insights into declines in ecosystem resilience and their causes and effects can inform preemptive action to avoid ecosystem collapse and loss of biodiversity, ecosystem services, and human well‐being. Empirical studies of ecosystem collapse are rare and hampered by ecosystem complexity, nonlinear and lagged responses, and interactions across ...
Keith DA, Benson DH, Baird IRC, Watts L, Simpson CC, Krogh M, Gorissen S, Ferrer-Paris JR, Mason TJ.   +8 more
europepmc   +2 more sources

Genome-wide analysis of in vivo CcpA binding with and without its key co-factor HPr in the major human pathogen group A Streptococcus. [PDF]

Mol Microbiol, 2021
The carbon catabolite protein, CcpA, regulates carbohydrate utilization and virulence in concert with its phosphorylated co‐factor histine containing protein (HPr~P). In this study we engineered a CcpA isoform that does not interact with HPr~P.
DebRoy S, Aliaga-Tobar V, Galvez G, Arora S, Liang X, Horstmann N, Maracaja-Coutinho V, Latorre M, Hook M, Flores AR, Shelburne SA.   +10 more
europepmc   +2 more sources

Heavy Metals in Soils: An Investigation of the Contaminated Floodplains Around the Sinu River, Colombia. [PDF]

Geohealth
Abstract Heavy metal contamination in rivers mostly originates from anthropogenic sources such as industrial activities, mining, agriculture, and urban runoff. These metals accumulate in river sediments and impact living organisms and the surrounding ecosystem. Historically, some rivers in Colombia have faced issues related to heavy metal contamination,
Di Luccio D, Lay-Ekuakille A, Maggi S, Campos NH, Palmisano M.   +4 more
europepmc   +2 more sources

Salud y trabajo: minería artesanal del carbón en Paipa, Colombia

Avances en Enfermería, 2010
Contexto: existe relación directa entre las técnicas de minería del carbón y riesgos laborales, con estado de salud y probabilidad de enfermar, principalmente por neumoconiosis, trauma y alteraciones osteomusculares.
JUAN MANUEL OSPINA DÍAZ, FRED GUSTAVO MANRIQUE ABRIL, JOSÉ ALFREDO GUÍO GARZÓN   +2 more
doaj   +1 more source

ANÁLISIS DE IMPLEMENTACIÓN DE SISTEMAS DE BANDAS TRANSPORTADORAS EN PATIOS DE ALMACENAMIENTO EN EMPRESAS DE MINERÍA DE CARBÓN CON SIMULACIÓN DISCRETA Y DISEÑO DE EXPERIMENTOS [PDF]

Boletín de Ciencias de la Tierra, 2011
Este artículo tiene como objetivo proponer un enfoque metodológico para el diseño de bandas transportadoras como equipo de manejo de materiales en las operaciones de un patio de almacenamiento de carbón basado en el uso de las técnicas cuantitativas de ...
Rodrigo A. Gómez M., Alexander A. Correa E.   +1 more
doaj   +1 more source

New opportunities and challenges for conservation evidence synthesis from advances in natural language processing. [PDF]

Conserv Biol
Abstract Addressing global environmental conservation problems requires rapidly translating natural and conservation social science evidence to policy‐relevant information. Yet, exponential increases in scientific production combined with disciplinary differences in reporting research make interdisciplinary evidence syntheses especially challenging ...
Chang CH, Cook-Patton SC, Erbaugh JT, Lu L, Masuda YJ, Molnár I, Papp D, Robinson BE.   +7 more
europepmc   +2 more sources

Agrarian change through speculation: Rural elites as land brokers for mining in Colombia

Journal of Agrarian Change, Volume 23, Issue 4, Page 706-728, October 2023., 2023
Abstract This paper studies the connections between the expansion of mining capital, speculative forms of land grabbing and agrarian transformation. It is argued that in periods of commodity boom, the landowning rural elite benefits from mining through speculative land deals with mining companies.
Kristina Dietz
wiley   +1 more source

Techno‐economic evaluation of regional CCUS implementation: The STRATEGY CCUS project in the Ebro Basin (Spain)

Greenhouse Gases: Science and Technology, Volume 13, Issue 2, Page 197-215, April 2023., 2023
Abstract STRATEGY CCUS (Strategic Planning of Regions and Territories in Europe for Low‐Carbon Energy and Industry through CCUS) is a 3‐year project (2019‐2022) funded by the European Commission to support the development of low‐carbon energy and industry in eight regions of Southern and Eastern Europe by 2050.
Paula Fernández‐Canteli Álvarez, Jesús García Crespo, Roberto Martínez Orío, Jose Francisco Mediato Arribas, Adriá Ramos, Edgar Berrezueta   +5 more
wiley   +1 more source

Geopolitics of the Li‐ion battery value chain and the Lithium Triangle in South America

Latin American Policy, Volume 14, Issue 1, Page 22-45, March 2023., 2023
Abstract Climate change and the low‐carbon transition are drastically changing the energy paradigm. A critical aspect is the burgeoning demand for lithium‐ion batteries and the massive amount of minerals and metals that will be required to create them.
Maria Daniela Sanchez‐Lopez
wiley   +1 more source

Fostering Transitions Towards Sustainability? The Politics of Bioeconomy Development in Argentina, Uruguay, and Brazil

Bulletin of Latin American Research, Volume 41, Issue 4, Page 541-556, September 2022., 2022
The concept of bioeconomy is increasingly gaining attention in South America as a potential strategy to foster sustainability transitions. As bioeconomy development is intertwined with often contested questions of natural resource governance, it is important that the promotion of bioeconomy takes place in an inclusive manner. In three case studies from
Karen M Siegel, Melisa Deciancio, Daniel Kefeli, Guilherme de Queiroz‐Stein, Thomas Dietz   +4 more
wiley   +1 more source