Results 21 to 30 of about 5,306,291 (347)

fastsimcoal2: demographic inference under complex evolutionary scenarios

open access: yesBioinform., 2021
Motivation fastsimcoal2 extends fastsimcoal, a continuous time coalescent-based genetic simulation program, by enabling the estimation of demographic parameters under very complex scenarios from the site frequency spectrum under a maximum-likelihood ...
L. Excoffier   +5 more
semanticscholar   +1 more source

Climate Endgame: Exploring catastrophic climate change scenarios

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2022
Prudent risk management requires consideration of bad-to-worst-case scenarios. Yet, for climate change, such potential futures are poorly understood.
Luke Kemp   +10 more
semanticscholar   +1 more source

The Global Macroeconomic Impacts of COVID-19: Seven Scenarios

open access: yesAsian Economic Papers, 2020
COVID-19 has disrupted the Chinese economy and is spreading globally. The evolution of the disease and its economic impacts are highly uncertain, making formulation of appropriate macroeconomic policy responses challenging.
Warwick J. McKibbin, Roshen Fernando
semanticscholar   +1 more source

Evaluating scenarios toward zero plastic pollution

open access: yesScience, 2020
A mess of plastic It is not clear what strategies will be most effective in mitigating harm from the global problem of plastic pollution. Borrelle et al. and Lau et al. discuss possible solutions and their impacts.
Winnie W. Y. Lau   +28 more
semanticscholar   +1 more source

Explorer les formations comodales en langues

open access: yesALSIC: Apprentissage des Langues et Systèmes d'Information et de Communication, 2021
This article attempts to take stock of what comodality can bring to language training and to outline some essential guidelines for its success. In describing the specificities of comodal training, it insists on a few key points: the primacy of didactic ...
Sophie Othman
doaj   +1 more source

Fertility, mortality, migration, and population scenarios for 195 countries and territories from 2017 to 2100: a forecasting analysis for the Global Burden of Disease Study

open access: yesThe Lancet, 2020
Summary Background Understanding potential patterns in future population levels is crucial for anticipating and planning for changing age structures, resource and health-care needs, and environmental and economic landscapes. Future fertility patterns are
S. Vollset   +23 more
semanticscholar   +1 more source

Modeling the Effects of Irrigation Water Salinity on Growth, Yield and Water Productivity of Barley in Three Contrasted Environments

open access: yesAgronomy, 2020
Freshwater scarcity and other abiotic factors, such as climate and soil salinity in the Near East and North Africa (NENA) region, are affecting crop production.
Zied Hammami   +7 more
doaj   +1 more source

NUCLEAR INCIDENT (MALFUNCTION, BOMBARDMENT OR TERROR) AROUND THE WORLD, LEVEL OF PREPAREDNESS AND CHALLENGING ACCEPTED REFERENCE SCENARIOS

open access: yesStudia Universitatis Babeş-Bolyai. Studia Europaea, 2019
The rate of construction of nuclear reactors in the world that supply energy, the geopolitical situation such as with North Korea, Iran, and the rising tensions between the world powers raise the question of whether and when a large nuclear incident ...
Ori Nissim LEVI
doaj   +1 more source

A Review of Changes in Mountain Land Use and Ecosystem Services: From Theory to Practice

open access: yesLand, 2020
Global changes impact the human-environment relationship, and, in particular, they affect the provision of ecosystem services. Mountain ecosystems provide a wide range of such services, but they are highly sensitive and vulnerable to change due to ...
Ileana Pătru-Stupariu   +6 more
doaj   +1 more source

Scenarios for Gluino Coannihilation [PDF]

open access: yes, 2015
We study supersymmetric scenarios in which the gluino is the next-to-lightest supersymmetric particle (NLSP), with a mass sufficiently close to that of the lightest supersymmetric particle (LSP) that gluino coannihilation becomes important.
Ellis, John   +3 more
core   +1 more source

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