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Food security in a perfect storm: using the ecosystem services framework to increase understanding

الأمن الغذائي في عاصفة مثالية: استخدام إطار خدمات النظام الإيكولوجي لزيادة الفهم
Authors: Guy M. Poppy; Sosten Chiotha; Felix Eigenbrod; Célia A. Harvey; Miroslav Honzák; Malcolm D. Hudson; Andy Jarvis; +5 Authors

Food security in a perfect storm: using the ecosystem services framework to increase understanding

Abstract

Achieving food security in a ‘perfect storm’ scenario is a grand challenge for society. Climate change and an expanding global population act in concert to make global food security even more complex and demanding. As achieving food security and the millennium development goal (MDG) to eradicate hunger influences the attainment of other MDGs, it is imperative that we offer solutions which are complementary and do not oppose one another. Sustainable intensification of agriculture has been proposed as a way to address hunger while also minimizing further environmental impact. However, the desire to raise productivity and yields has historically led to a degraded environment, reduced biodiversity and a reduction in ecosystem services (ES), with the greatest impacts affecting the poor. This paper proposes that the ES framework coupled with a policy response framework, for example Driver-Pressure-State-Impact-Response (DPSIR), can allow food security to be delivered alongside healthy ecosystems, which provide many other valuable services to humankind. Too often, agro-ecosystems have been considered as separate from other natural ecosystems and insufficient attention has been paid to the way in which services can flow to and from the agro-ecosystem to surrounding ecosystems. Highlighting recent research in a large multi-disciplinary project (ASSETS), we illustrate the ES approach to food security using a case study from the Zomba district of Malawi.

Countries
South Africa, France, South Africa, France, United Kingdom
Keywords

Malawi, Economics, Agricultural Innovation and Livelihood Diversification, Plant Science, servicios de los ecosistemas, 630, Food Supply, Agricultural and Biological Sciences, Natural resource economics, Models, name=General Biochemistry,Genetics and Molecular Biology, agroecosistemas, name=General Agricultural and Biological Sciences, Business, Environmental resource management, Ecosystem Services, /dk/atira/pure/subjectarea/asjc/1100/1100, Global and Planetary Change, /dk/atira/pure/subjectarea/asjc/1300/1300, Global Analysis of Ecosystem Services and Land Use, Geography, Ecology, Social-Ecological Systems, Life Sciences, Agriculture, Articles, Urban Agriculture and Community Development, Millennium Ecosystem Assessment, Archaeology, Physical Sciences, General Agricultural and Biological Sciences, Conservation of Natural Resources, agroecosystems, 330, Agriculture-forest interface, Climate Change, 333, models, DPSIR, seguridad alimentaria, modelos, Ecosystem services, Population Growth, Biology, Ecosystem, food security, Food security, FOS: Biological sciences, Environmental Science, ecosystem services

  • BIP!
    Impact byBIP!
    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    130
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 1%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 1%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
130
Top 1%
Top 10%
Top 1%
Green
hybrid