Download A Primer of Population Dynamics by Krishnan Namboodiri (auth.) PDF

By Krishnan Namboodiri (auth.)

A Primer of inhabitants Dynamics introduces to the fundamentals of inhabitants experiences. writer Krishnan Namboodiri makes use of a question-and-answer structure that explores subject matters akin to inhabitants theories and conceptual schemes, demographic facts, mortality, fertility, migration, relatives and family, meals construction, and the surroundings and much more. Questions are followed via specific factors in addition to references for additional info. an in depth index and thesaurus enable for simple retrieval of knowledge. This introductory textbook is written for college kids learning demography, inhabitants, sociology, and public health.

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Later the concept was also extended to cover births. Today, however, the term is used broadly to cover marriage, divorce, annulment, separation, adoption, and legitimation, in addition to birth and death. Some writers apply it to migration also. Population register, as just mentioned, is a system of data collection that records, on a continuous basis, demographic and socio-economic characteristics of a population. Typically, at birth or at the time of in-migration a card or a file is opened for each person, which is updated whenever the person experiences important events such as changing residence or getting married.

8. Answers 22. True. The balancing equation ordinarily expresses population change during a time interval as the algebraic sum of (1) the difference, births - deaths, in the 50 CHAPTER 3 interim and (2) the difference, in-migration - out-migration, in the interim. The equation is usually expressed as follows: population size at time 2 = population size at time I + births in the interim - deaths in the interim + inmigration in the interim - out-migration in the interim. Note, however, that for the world as a whole only the balance between births and deaths applies.

10. Answers 26. True. (See Snipp, 1989; Weeks, 1994, p. 38). The native Indian population in North America in 1650 numbered about a million compared to about 50,000 European colonists. During the 200 years that followed, warfare and diseases, the latter imported from Europe and for which the natives had very little immunity, took a heavy toll, dwindling the size of the native population to 250,000 by 1850. By that time the population of European origin had increased to 23 million. 3. 7. 11. Answers 1.

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