After reading this article you will learn about the theory of population by Daniel Malthus. In the late 1790s Thomas Mathias was the Anglican Pastor of a small country church, a bachelor in his early thirties who probably spent much of his time at his parent’s home. At some point he and his father got […]
Theory of Population by Daniel Malthus (With Criticisms)
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Theory of Demographic Transition (With Criticisms)
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After reading this article you will learn about the theory of demographic transition. In 1945, Frank W. Notestein presented the theory of demographic transition in an almost mature form, with explanations for the changes in fertility. In that sense, he may be credited with expounding the theory of demographic transition. Notestein pointed out that the […]
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Stability of Eco-System: Mechanisms, Theories and Models
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Stability of Eco-System: Mechanisms, Theories and Models! There are a number of theories, mechanisms and models to explain stability of eco-system. 1. Homeostatic Mechanisms: There is in built self-regulating mechanism, known as homeostatic mechanism. In a natural ecosystem through which any change in the eco-system is counter balanced by responses of the system to the […]