Chapter 9 - Chapter 9 food and agriculture Read book for...

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Chapter 9 – food and agriculture Read book for first part of notes Meat and dairy Distribution highly inequitable - More developed countries make up 20% of world population, but consume 80% of meat and dairy production o But 60% of production occurs in lesser developed countries More than 1/3 of the total maize, soy and coarse grain production are used as livestock feed - As livestock are inefficient in converting grain calories to meat, eating lower on the food chain could result in 10x more food. - However, FAO claims using cereals as animal feed does not contribute to hunger and under-nutrition - Why? The additional grain would not be grown… unless food distribution was changed - Concentrated animal feeding operations, or CAFO’s - Global - Water pollution (in 1999 hurricane Floyd caused hog farm waste to wash into Pamlico Sound… eutrophication resulted) - Air pollution (more respiratory illnesses in nearby populations) Seafood - Seafood is an important protein source - But since 1989, 13 of 17 major fisheries have declined or become commercially unsustainable… overfishing, ecosystem damage, environmental change… - Subsidies are common…FAO estimates operating costs for the 4 million boats now harvesting wild fish exceed fish sales by $50 billion annually. - Aguaculture is providing an increasing share of the world’s seafood - but problems include:
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o pollution o ecosystem damage o disease (and more use of antibiotics) o escape of genetically engineered species - the US (NOAA) wants to increase aguaculture; we import nearly all of the shrimp we eat farm policy - farm subsidies in many countries are protected by powerful political and economic interests - farm subsidies are large. .. $350 billion year o agricultural subsidies encourage surpluses and allow farmers in developed countries to sell products overseas at prices below production costs… this discourages local production soil: a renewable resource soil – a complex mixture of weathered minerals, partially decomposed organic materials, and a host of living organisms. -
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This note was uploaded on 04/28/2008 for the course ENVS 1000 taught by Professor Neff,jason during the Spring '07 term at Colorado.

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Chapter 9 - Chapter 9 food and agriculture Read book for...

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