Journal ArticleDOI
Agricultural sustainability and intensive production practices
David Tilman,Kenneth G. Cassman,Pamela A. Matson,Pamela A. Matson,Rosamond L. Naylor,Stephen Polasky +5 more
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A doubling in global food demand projected for the next 50 years poses huge challenges for the sustainability both of food production and of terrestrial and aquatic ecosystems and the services they provide to society.Abstract:
A doubling in global food demand projected for the next 50 years poses huge challenges for the sustainability both of food production and of terrestrial and aquatic ecosystems and the services they provide to society. Agriculturalists are the principal managers of global useable lands and will shape, perhaps irreversibly, the surface of the Earth in the coming decades. New incentives and policies for ensuring the sustainability of agriculture and ecosystem services will be crucial if we are to meet the demands of improving yields without compromising environmental integrity or public health.read more
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The land-network problem: ecosystem carbon balance in planning sustainable agro-food supply chains
TL;DR: In this paper, a design framework that supports strategic decision-making on agriculture and food distribution issues while addressing climate stability is presented, which merges localized and large-scaled decisions as land-use allocation and location-allocation problems in an agro-food network.
Journal ArticleDOI
Differential Response of Potato Toward Inoculation with Taxonomically Diverse Plant Growth Promoting Rhizobacteria
Tahir Naqqash,Sohail Hameed,Asma Imran,Muhammad Kashif Hanif,Afshan Majeed,Jan Dirk van Elsas +5 more
TL;DR: Of the five test strains, Azospirillum sp.
Posted Content
Assuring food security in developing countries under the challenges of climate change: key trade and development issues of a fundamental t transformation of agriculture.
TL;DR: For a large number of developing countries, agriculture remains the single most important sector and agriculture is the sector that has the potential to transcend from being a problem to becoming an essential part of the solution to climate change provided there is a more holistic vision of food security, agricultural mitigation, climate-change adaptation and agriculture's pro-poor development contribution as discussed by the authors.
Journal ArticleDOI
Eco‐campus: applying the ecocity model to develop green university and college campuses
TL;DR: In this article, the authors argue that Richard Register's ecocity model offers a strategic framework to help guide sustainability initiatives in North American higher education (HE) institutions and investigate the implications of its proposed building strategies for university and colleges, as institutions seek to create more sustainable campuses.
Journal ArticleDOI
The compatibility of agricultural intensification in a global hotspot of smallholder agrobiodiversity (Bolivia)
TL;DR: Social and ecological resilience and in situ conservation of the maize agrobiodiversity by Bolivian smallholders was enabled through robust linkages to off-farm migration; resource access and asset capabilities among both traditional and nontraditional growers; landrace agroecology and food uses; and innovative knowledge and skills.
References
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Journal ArticleDOI
Climate change 2001: the scientific basis
John Theodore Houghton,Y. Ding,David John Griggs,M. Noguer,P. J. van der Linden,X. Dai,K. Maskell,C. A. Johnson +7 more
TL;DR: In this article, the authors present an overview of the climate system and its dynamics, including observed climate variability and change, the carbon cycle, atmospheric chemistry and greenhouse gases, and their direct and indirect effects.
Journal ArticleDOI
Human Domination of Earth's Ecosystems
TL;DR: Human alteration of Earth is substantial and growing as discussed by the authors, between one-third and one-half of the land surface has been transformed by human action; the carbon dioxide concentration in the atmosphere has increased by nearly 30 percent since the beginning of the Industrial Revolution; more atmospheric nitrogen is fixed by humanity than by all natural terrestrial sources combined; more than half of all accessible surface fresh water is put to use by humanity; and about one-quarter of the bird species on Earth have been driven to extinction.
Journal ArticleDOI
Human alteration of the global nitrogen cycle: sources and consequences
Peter M. Vitousek,John D. Aber,Robert W. Howarth,Gene E. Likens,Pamela A. Matson,David W. Schindler,William H. Schlesinger,David Tilman +7 more
TL;DR: In this article, a review of available scientific evidence shows that human alterations of the nitrogen cycle have approximately doubled the rate of nitrogen input into the terrestrial nitrogen cycle, with these rates still increasing; increased concentrations of the potent greenhouse gas N 2O globally, and increased concentration of other oxides of nitrogen that drive the formation of photochemical smog over large regions of Earth.
Journal ArticleDOI
Nonpoint pollution of surface waters with phosphorus and nitrogen
Stephen R. Carpenter,Nina F. Caraco,David L. Correll,Robert W. Howarth,Andrew N. Sharpley,Val H. Smith +5 more
TL;DR: In this article, a review of the available scientific information, they are confident that nonpoint pollution of surface waters with P and N could be reduced by reducing surplus nutrient flows in agricultural systems and processes, reducing agricultural and urban runoff by diverse methods, and reducing N emissions from fossil fuel burning, but rates of recovery are highly variable among water bodies.
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