Journal ArticleDOI
Food Security: The Challenge of Feeding 9 Billion People
H Charles J Godfray,John Beddington,I. R. Crute,Lawrence Haddad,David Lawrence,James F. Muir,Jules Pretty,Sherman Robinson,Sandy M Thomas,Camilla Toulmin +9 more
TLDR
A multifaceted and linked global strategy is needed to ensure sustainable and equitable food security, different components of which are explored here.Abstract:
Continuing population and consumption growth will mean that the global demand for food will increase for at least another 40 years. Growing competition for land, water, and energy, in addition to the overexploitation of fisheries, will affect our ability to produce food, as will the urgent requirement to reduce the impact of the food system on the environment. The effects of climate change are a further threat. But the world can produce more food and can ensure that it is used more efficiently and equitably. A multifaceted and linked global strategy is needed to ensure sustainable and equitable food security, different components of which are explored here.read more
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Journal ArticleDOI
Interdisciplinary progress in approaches to address social-ecological and ecocultural systems
TL;DR: A review of the environmental sub-disciplines that have emerged to seek solutions for conservation and maintenance of the resilience of social-ecological systems can be found in this article.
Journal ArticleDOI
Multi-site assessment of the effects of plastic-film mulch on dryland maize productivity in semiarid areas in China
Yong Peng Wang,Xiao Gang Li,Jing Zhu,Cheng Yun Fan,Xue Jing Kong,Neil C. Turner,Kadambot H. M. Siddique,Feng-Min Li +7 more
TL;DR: In this article, the benefits of plastic-film mulch on maize grain yield and its stability varied significantly with local climatic conditions and that plasticfilm can be preferentially applied for maize production where both insufficient rainfall and low spring temperatures are limiting factors.
Journal ArticleDOI
High Temporal-Resolution Transcriptome Landscape of Early Maize Seed Development.
Fei Yi,Wei Gu,Wei Gu,Jian Chen,Ning Song,Xiang Gao,Xiangbo Zhang,Yingsi Zhou,Xuxu Ma,Weibin Song,Haiming Zhao,Eddi Esteban,Asher Pasha,Nicholas J. Provart,Jinsheng Lai +14 more
TL;DR: High temporal-resolution transcriptomes uncover the genetic control of the developmental stages of double fertilization, coenocyte formation, cellularization, and differentiation in early maize seed.
Journal ArticleDOI
The politics of seed in Africa's green revolution: Alternative narratives and competing pathways
Ian Scoones,John Thompson +1 more
TL;DR: The authors assesses the evolution of seed system research and development programmes and processes across the region, and highlights opportunities for reshaping the terms of the debate and opening up alternative pathways to more sustainable and socially just seed systems.
Journal ArticleDOI
Land tenure reforms, tenure security and food security in poor agrarian economies: Causal linkages and research gaps
Stein T. Holden,Hosaena Ghebru +1 more
TL;DR: The paper explores the conceptual linkages between land tenure reforms, tenure security and food security and illustrates how these vary across diverse contexts.
References
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疟原虫var基因转换速率变化导致抗原变异[英]／Paul H, Robert P, Christodoulou Z, et al//Proc Natl Acad Sci U S A
TL;DR: PfPMP1）与感染红细胞、树突状组胞以及胎盘的单个或多个受体作用，在黏附及免疫逃避中起关键的作�ly.
Journal ArticleDOI
Land Clearing and the Biofuel Carbon Debt
TL;DR: Converting rainforests, peatlands, savannas, or grasslands to produce food crop–based biofuels in Brazil, Southeast Asia, and the United States creates a “biofuel carbon debt” by releasing 17 to 420 times more CO2 than the annual greenhouse gas reductions that these biofuel reductions would provide by displacing fossil fuels.
The state of food insecurity in the world 2011: how does international price volatility affect domestic economies and food security?
TL;DR: In this paper, the authors highlight the differential impacts that the world food crisis of 2006-2008 had on different countries, with the poorest being most affected, and present policy options to reduce volatility in a cost-effective manner and to manage it when it cannot be avoided.
Journal ArticleDOI
Forecasting agriculturally driven global environmental change
David Tilman,Joseph Fargione,Brian G. Wolff,Carla M. D'Antonio,Andrew P. Dobson,Robert W. Howarth,David W. Schindler,William H. Schlesinger,Daniel Simberloff,Deborah L. Swackhamer +9 more
TL;DR: Should past dependences of the global environmental impacts of agriculture on human population and consumption continue, 109 hectares of natural ecosystems would be converted to agriculture by 2050, accompanied by 2.4- to 2.7-fold increases in nitrogen- and phosphorus-driven eutrophication of terrestrial, freshwater, and near-shore marine ecosystems.
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