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单词 Malthusian theory
释义

Malthusian theory

中文百科

马尔萨斯灾难 Malthusian catastrophe

(重定向自Malthusian theory)

马尔萨斯灾难,也称马尔萨斯陷阱,由托马斯·罗伯特·马尔萨斯提出,主要指不断增长的人口早晚会导致粮食供不应求。

马尔萨斯在他1798年出版的《人口论》中预言:人口增长超越食物供应,会导致人均占有食物的减少,最弱者就会因此而饿死。

在现代东亚,许多人也会认同类似马尔萨斯陷阱的观念,但这些人大多没有关注或面临食物不足的问题,他们是面临虽然食物充足,但其他资源并不足以让年轻人繁殖的问题:过去不提早控制生育率,反而让现在的生育率降到过低。

英语百科

Malthusian catastrophe 马尔萨斯灾难

(重定向自Malthusian theory)
A chart of estimated annual growth rates in world population, 1800–2005. Rates before 1950 are annualized historical estimates from the US Census Bureau. Red = USCB projections to 2025.
Wheat yields in developing countries, 1950 to 2004, in kg/ha (baseline 500).  The steep rise in crop yields in the U.S. began in the 1940s.  The percentage of growth was fastest in the early rapid growth stage.  In developing countries maize yields are still rapidly rising.[2]
World population from 1800 to 2100, based on UN 2004 projections (red, orange, green) and US Census Bureau historical estimates (black)
Growth in food production has been greater than population growth. Food per person increased during the 1961–2005 period, but at a much smaller percentage than crop yields.

A Malthusian catastrophe (also known as Malthusian check) is a prediction of a forced return to subsistence-level conditions once population growth has outpaced agricultural production.

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更新时间:2025/6/16 23:35:20