| Records |
| Author |
Sandhu, H.; Wratten, S.D.; Porter, J.R.; Costanza, R.; Pretty, J.; Reganold, J.P. |
Title  |
Mainstreaming ecosystem services into future farming solutions |
Type |
Journal Article |
| Year |
2016 |
Publication |
The Solutions Journal |
Abbreviated Journal |
The Solutions Journal |
| Volume |
7 |
Issue |
2 |
Pages |
40-47 |
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| Abstract |
Agriculture has made remarkable advances in fulfilling the food and nutritional requirement of expanding human numbers worldwide. There are several sustainable farming systems that contribute to overall biodiversity conservation and associated ecosystem services. Yet agricultural practices that have come to predominate since the second half of the 20th century have led to the overuse of fossil fuel-based inputs, unsustainable exploitation of natural resources, and loss of biodiversity. These outcomes also have high costs to human health and the environment. Continuing with largely energy-intense, wasteful, polluting, and unsustainable agriculture is no longer a viable option for future world food security and human well-being. There is an urgent need for forms of agricultural production that improve natural capital and ecosystem services (ES) in food systems worldwide. Mainstreaming ES into future agriculture requires protocols to replace some of the nonrenewable resources (e.g. fossil fuel-based pesticides and fertilizers) with renewable resources (ES such as biological control of insect pests or nitrogen fixation by legumes). The protocols presented here have been tested in different agricultural systems that enable farmland to simultaneously provide food and a range of ecosystem services. Recent research demonstrates that managed systems with these protocols exhibit higher economic value of ecosystem services. Thus, there is need to support the deployment of these protocols through various policy mechanisms for the long-term sustainability of agriculture. |
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MA @ admin @ |
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4759 |
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| Author |
Porter, J.R.; Wratten, S. |
| Title |
National carbon stocks: Move on to a carbon currency standard |
Type |
Journal Article |
| Year |
2014 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
506 |
Issue |
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Pages |
295 |
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Alongside Robert Costanza and colleagues’ plea to abandon gross domestic product as a measure of national success (see Nature 505, 283–285; 2014), we believe that there is an urgent need to change the way currencies are valued — by using a new ‘carbon standard’ that links economy to ecology. This would work in a similar way to the old gold-exchange standard, except that a country’s currency value would instead be determined by its saved and standing stocks of fossil and non-fossil carbon. Governments would need to decide whether to risk devaluing their currency by depleting carbon stocks — while still honouring a commitment to keep fossil-carbon stocks at 80% as a safeguard against extreme climate change. After the Second World War, huge investments radically altered the economies of the United States, the Soviet Union and the United Kingdom. In the face of climate change, it is now the global energy system that needs reinvention. |
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MA @ admin @ |
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4635 |
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Ingram, J.S.I.; Porter, J.R. |
| Title |
Plant science and the food security agenda |
Type |
Journal Article |
| Year |
2015 |
Publication |
Nature Plants |
Abbreviated Journal |
Nature Plants |
| Volume |
1 |
Issue |
11 |
Pages |
15173 |
| Keywords |
africa; maize |
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2055-026x 2055-0278 |
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Editorial Material |
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CropM, ftnotmacsur |
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no |
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MA @ admin @ |
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4705 |
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| Author |
Ghaley, B.B.; Vesterdal, L.; Porter, J.R. |
| Title |
Quantification and valuation of ecosystem services in diverse production systems for informed decision-making |
Type |
Journal Article |
| Year |
2014 |
Publication |
Environmental Science & Policy |
Abbreviated Journal |
Environmental Science & Policy |
| Volume |
39 |
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139-149 |
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bio-physical quantification; combined food and energy system; economic valuation field measurements; land management; marketable and non-marketable ecosystem services; land-use change; carbon; farm; efficiency; crops; china; model; scale; field |
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The empirical evidence of decline in ecosystem services (ES) over the last century has reinforced the call for ES quantification, monitoring and valuation. Usually, only provisioning ES are marketable and accounted for, whereas regulating, supporting and cultural ES are typically non-marketable and overlooked in connection with land-use or management decisions. The objective of this study was to quantify and value total ES (marketable and non-marketable) of diverse production systems and management intensities in Denmark to provide a basis for decisions based on economic values. The production systems were conventional wheat (Cwheat), a combined food and energy (CFE) production system and beech forest. Marketable (provisioning ES) and non-marketable ES (supporting, regulating and cultural) ES were quantified by dedicated on-site field measurements supplemented by literature data. The value of total ES was highest in CFE (US$ 3142 ha(-1) yr(-1)) followed by Cwheat (US$ 2767 ha (1) yr(-1)) and beech forest (US$ 2328 ha(-1) yr(-1)). As the production system shifted from Cwheat – CFE-beech, the marketable ES share decreased from 88% to 75% in CFE and 55% in beech whereas the non-marketable ES share increased to 12%, 25% and 45% of total ES in Cwheat, CFE and beech respectively, demonstrating production system and management effects on ES values. Total ES valuation, disintegrated into marketable and non-marketable share is a potential way forward to value ES and `tune’ our production systems for enhanced ES provision. Such monetary valuation can be used by policy makers and land managers as a tool to assess ES value and monitor the sustained flow of ES. The application of ES-based valuation for land management can enhance ES provision for maintaining the productive capacity of the land without depending on the external fossil-based fertilizer and chemical input. (C) 2013 Elsevier Ltd. All rights reserved. |
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1462-9011 |
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MA @ admin @ |
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4623 |
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Montesino-San Martin, M.; Wallach, D.; Olesen, J.E.; Porter, J.R. |
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Quantifying data requirements in crop models; applying the learning curve approach to winter wheat phenology models |
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MA @ admin @ |
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5023 |
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