Results 1 to 10 of about 249,031 (117)

Environmental Peacebuilding and Solar Geoengineering

open access: yesFrontiers in Climate, 2022
Solar geoengineering, or reflecting incoming sunlight to cool the planet, has been viewed by international relations and governance scholars as an approach that could exacerbate conflict.
Holly Jean Buck
doaj   +1 more source

Can Depopulation Stop Deforestation? The Impact of Demographic Movement on Forest Cover Changes in the Settlements of the South Banat District (Serbia)

open access: yesFrontiers in Environmental Science, 2022
The key problem of rural settlements in the South Banat district lasted into the 21st century through the spread of depopulated areas. Considering that settlements give a cultural landscape its basic features, that they are the main bearers of functional
Dragica Gatarić   +9 more
doaj   +1 more source

GeSn on Insulators (GeSnOI) Toward Mid-infrared Integrated Photonics

open access: yesFrontiers in Physics, 2019
In recent years, Ge and Ge1−xSnx materials and devices have achieved rapid progress in integrated photonics. However, conventional heteroepitaxy of active photonic devices compromises the area on Si for CMOS electronics, limiting the scale of integration.
Xiaoxin Wang   +7 more
doaj   +1 more source

Using game theory to assess multi-company strategies in watershed management

open access: yesRevista Ambiente & Água, 2016
The main objective of this work was to evaluate the use of game theory as a strategic tool for watershed management decision-making. An engineering problem case study was used in which three organizations compare various scenarios when deciding where to ...
Luke Ogilvie Thompson   +3 more
doaj   +1 more source

Spatial distribution of the CO2 stream in archaeological dark earth area under cocoa and coffee cultivation in the municipality of Apuí, AM, Brazil

open access: yesRevista Ambiente & Água, 2016
The Archaeological Dark Earth (ADE) are soils that can hold up to six times more organic carbon than surrounding soils without anthropic horizons, thus assuming higher CO2 emissions from these soils.
Milton Cesar Costa Campos   +5 more
doaj   +1 more source

Inhibition of dehydrogenase activity in petroleum refinery wastewater bacteria by phenolic compounds

open access: yesRevista Ambiente & Água, 2010
The toxicity of phenol, 2-nitrophenol, 4-nitrophenol, 2,4-dinitrophenol, 2-chlorophenol, 4-chlorophenol, 4-bromophenol and 3,5-dimethylphenol on Pseudomonas, Bacillus and Escherichia species isolated from petroleum refinery wastewater was assessed via ...
Gideon C. Okpokwasili   +1 more
doaj   +1 more source

Are ladybird beetles (Coleoptera: Coccinellidae) affected by Bt proteins expressed in genetically modified insect-resistant crops? A systematic review protocol

open access: yesEnvironmental Evidence, 2019
Background Ladybird beetles (Coleoptera: Coccinellidae) are abundant predatory species in many agroecosystems, are valued for their biological pest control functions, and have been recommended as test species for studies supporting the assessment of non ...
Fernando Álvarez-Alfageme   +5 more
doaj   +1 more source

Pamirian Crossroads: Kirghiz and Wakhi of High Asia

open access: yesMountain Research and Development, 2017
Reviewed: Pamirian Crossroads: Kirghiz and Wakhi of High Asia. By Hermann Kreutzmann. Wiesbaden, Germany: Harrassowitz Verlag, 2015. 559 pp. € 98.00. ISBN: 978-3-447-10449-4.
Madeleine Reeves
doaj   +1 more source

Soil carbon fluxes and balances of crop rotations under long-term no-till

open access: yesCarbon Balance and Management, 2020
Background A field study with the same crop rotations was conducted to test the hypothesis that the soil Carbon fluxes and balances could vary according to the crop species and also mitigate carbon dioxide (CO2) emission.
João Paulo Gonsiorkiewicz Rigon   +1 more
doaj   +1 more source

Mapping biomass with remote sensing: a comparison of methods for the case study of Uganda

open access: yesCarbon Balance and Management, 2011
Background Assessing biomass is gaining increasing interest mainly for bioenergy, climate change research and mitigation activities, such as reducing emissions from deforestation and forest degradation and the role of conservation, sustainable management
Henry Matieu   +3 more
doaj   +1 more source

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