منابع مشابه
Perennial grasslands enhance biodiversity and multiple ecosystem services in bioenergy landscapes.
Agriculture is being challenged to provide food, and increasingly fuel, for an expanding global population. Producing bioenergy crops on marginal lands--farmland suboptimal for food crops--could help meet energy goals while minimizing competition with food production. However, the ecological costs and benefits of growing bioenergy feedstocks--primarily annual grain crops--on marginal lands have...
متن کاملA Health and Nutritional Evaluation of Changes in Agriculture in the Past Quarter Century in British Columbia: Implications for Food Security
This paper describes change in local food production in British Columbia with a focus on changes in the production of foods recommended for increased consumption by nutritionists. We determine, in one of the most productive agricultural provinces in Canada, whether secular trends in agricultural land use and food production, over the past quarter century, have resulted in increased production o...
متن کاملEstimating Water Use Efficiency in Bioenergy Ecosystems Using a Process-Based Model
Bioenergy, made available from materials derived from biological sources, has been widely considered as one of the major renewable and sustainable energy sources to enhance energy security and mitigate climate change [Beringer et al., 2011; Fargione et al., 2010]. Food grain is currently the most popularly used biomass feedstock for biofuel production, e.g., maize (Zea Mays L.) grain for bioeth...
متن کاملStored-grains pests and their control with emphasis on military food warehouses in Iran: a review
Background and Aim: In order to providing healthy food and improve food security, it is vital to preserve and protect agricultural products from pest's damage during storage. This is especially crucial for strategic products such as grains and cereals. Inefficient management in this subject would lead to the loss of stored food and will make the country's economic dependence on the other. In pa...
متن کاملWater, Agriculture, and Food Interactions
Contents 1. Introduction 2. The forces that shape agriculture 3. Characteristics of water use for food production 4. How much water to produce food? 5. The outlook for water for agriculture 6. Adapting to water scarcity 7. Rural poverty, water and food security 8. The special role of groundwater 9. Food production and the aquatic environment Glossary Bibliography Biographical Sketch
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عنوان ژورنال:
- Science
دوره 328 5986 شماره
صفحات -
تاریخ انتشار 2010