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Dispersing population what America can learn from Europe by James L. Sundquist

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Published by Brookings Institution in Washington .
Written in English

Subjects:

Places:

  • Europe,
  • United States,
  • United States.,
  • Europe.

Subjects:

  • Migration, Internal -- United States,
  • Migration, Internal -- Europe,
  • Europe -- Population policy,
  • United States -- Population policy

Book details:

Edition Notes

Includes bibliographical references and index.

StatementJames L. Sundquist.
Classifications
LC ClassificationsHB1951 .S85
The Physical Object
Paginationxiv, 290 p. :
Number of Pages290
ID Numbers
Open LibraryOL5186718M
ISBN 100815782144, 0815782136
LC Control Number75005942

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Sundquist, James L. Dispersing Population: What America Can Learn from EuropeBook Edition: Reprint. Additional Physical Format: Online version: Sundquist, James L. Dispersing population. Washington: Brookings Institution, [] (OCoLC)   Now that so many ecosystems face rapid and major environmental change, the ability of species to respond to these changes by dispersing or moving between different patches of habitat can be crucial to ensuring their survival. Understanding dispersal has become key to understanding how populations may persist. Dispersal Ecology and Evolution provides a timely and wide-ranging . Dispersing Population What America Can Learn From Europe Web Archive Books provides a broader selection of subjects than Library Genesis. You will find about Many subject areas and topics in numerous languages on Net Archive Books. If You are looking for historical and academic books, as well as some.

It determines population density, that is, the number of individuals per unit of area, or volume, and its reciprocal relationship, that is, mean area, or the average area per individual. It also determines the frequency, or chance of encountering one or more individuals of the population in a particular sample unit of area, or volume. Book: Biodiversity (Bynum) act as a source of dispersing individuals that will move away to join other populations or create new ones. In contrast, a small population is unlikely to have a high degree of emigration; instead, it can receive a high degree of immigration. A population that requires net immigration in order to sustain itself. Population Variance/standard deviation For a set of data fx 1;x 2;x ngfor a population of size n, we de ne the population variance, denoted by ˙2, to be the average squared distance from the mean: ˙2 = (x 1) 2+ (x 2)2 + + (x n) n As with the calculation of the mean, we can shorten calculations if we have a frequency distribution at. Dispersing the Ghetto is the first book to describe in detail this important but little-known chapter in American immigration d in , the IRO for nearly two decades directed the resettlement of Jewish immigrants in New York and other port cities to hundreds of communities nationwide, where the prospects of employment and rapid.

Population Books Showing of The Coming Population Crash: and Our Planet's Surprising Future (Hardcover) by. Fred Pearce (shelved 7 times as population) avg rating — ratings — published Want to Read saving Want to Read. The population dynamics that result from dispersal patterns and local demography typically show asynchrony among populations, at least as indicated by recruitment data. To provide better answers, reef fish ecologists need, first and foremost, to continue the burgeoning trend of large-scale, interdisciplinary research on larval dispersal and. A.P. Ramakrishnan, in Encyclopedia of Ecology, Introduction. Dispersal, or the movement and subsequent breeding of individuals from one area to another, strongly influences the population dynamics of a sal can help regulate population size and density; many animals, such as aphids and female root voles, have increased dispersal rates under high density situations. The book of James is addressed “to the twelve tribes who are dispersed abroad ” (James ). Likewise, Peter’s first epistle is addressed to “those who reside as aliens, scattered throughout Pontus, Galatia, Cappadocia, Asia and Bithynia ” (1 Peter ).