共查询到20条相似文献,搜索用时 0 毫秒
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Oppenheimer SB 《Science (New York, N.Y.)》2010,329(5999):1598-9; author reply 1599
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Walsh J 《Science (New York, N.Y.)》1983,219(4586):825-826
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Bertrand Hervieu 《Agriculture and Human Values》1989,6(1-2):29-37
At a time when the long-established pattern of rural emigration in France is going into reverse, the number of French farmers is falling steeply. Whereas the French farming community represented over 50% of the total working population at the beginning of this century, their number will soon drop below the fateful 5% threshold. At a time when they see themselves (and are seen by others) as a minority, the farmers of France have become the world's second largest exporters of agricultural produce—yet they continue to glut the market with excess output and their income is steadily decreasing. Political reactions to these far-reaching changes are inadequate to meet the situation, and the unions are responding with internal strife and divisions. Faced with a radically new situation which is largely dominated by external factors, the government and the unions are quite unable to rebuild French farming policy. 相似文献
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Soulé ME 《Science (New York, N.Y.)》1991,253(5021):744-750
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Walsh J 《Science (New York, N.Y.)》1971,174(4009):572-574
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Hammond AL 《Science (New York, N.Y.)》1977,195(4278):564-566
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Wallimann T 《Science (New York, N.Y.)》2003,301(5632):462-463
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Abelson PH 《Science (New York, N.Y.)》1980,207(4435):1033