Download e-book for iPad: Balancing on a Planet : The Future of Food and Agriculture by David A. Cleveland

By David A. Cleveland

ISBN-10: 0520277414

ISBN-13: 9780520277410

ISBN-10: 0520277422

ISBN-13: 9780520277427

ISBN-10: 0520957083

ISBN-13: 9780520957084

This publication is an interdisciplinary primer on serious pondering and powerful motion for the way forward for our international agrifood process, in response to an realizing of the system’s organic and sociocultural roots. Key elements of the booklet are an intensive research of the assumptions underlying diverse views on difficulties relating to nutrition and agriculture worldwide and a dialogue of other suggestions. David Cleveland argues that combining chosen features of small-scale conventional agriculture with sleek medical agriculture may help stability our organic desire for meals with its environmental impact—and proceed to meet cultural, social, and mental wishes on the topic of food.

Balancing on a Planet is predicated on Cleveland’s learn and fascinating educating approximately foodstuff and agriculture for greater than 3 many years. it's a instrument to aid scholars, school, researchers, and readers comprehend debates in regards to the present situation and choices for the future.
 

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Download e-book for kindle: Balancing on a Planet : The Future of Food and Agriculture by David A. Cleveland

This booklet is an interdisciplinary primer on severe considering and potent motion for the way forward for our international agrifood approach, according to an knowing of the system’s organic and sociocultural roots. Key elements of the booklet are a radical research of the assumptions underlying various views on difficulties on the topic of meals and agriculture around the globe and a dialogue of different recommendations.

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Sample text

These species’ growth rate is described as density dependent, as it slows with increasing population density, allowing the species to survive and persist over the longer term. Selection operates against species that do not limit growth under such conditions. 3 However, the evolution of phenotypes via selection by their natural environment over generations depends entirely on existing information, not predictions for future conditions. This means that evolutionary biological success is a measure that can look only from the present backward, into the past.

In terms of the human evolu- 26 Agrifood Systems History and Future tionary time scale), and it may be exceeded already (Cohen 1995, Giampietro et al. 1992), or will be very soon (Running 2012). Cohen reviewed more than sixty-five estimates of HCC made from the seventeenth century through 1994 and found a huge range, from one billion to a billion billion (1018). ). If only the short-term production potential of the planet is considered, very large estimates are possible—for example, 282 billion if all land area is used for crops, with the same yields as the highest yielding crops (Franck et al.

In environments with less variable and scarcer resources, K selection favors species with growth rates that decrease as the population grows in response to feedback from the environment indicating resource scarcity. These species’ growth rate is described as density dependent, as it slows with increasing population density, allowing the species to survive and persist over the longer term. Selection operates against species that do not limit growth under such conditions. 3 However, the evolution of phenotypes via selection by their natural environment over generations depends entirely on existing information, not predictions for future conditions.

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Balancing on a Planet : The Future of Food and Agriculture by David A. Cleveland


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