immigration

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immigration

the movement of organisms into a specific area. Compare EMIGRATION.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
On the other hand, because per capita extirpation (E) and imigration rates (I) are ratios, their time series were modelled as sequences of Gaussian variables described by two parameters (means and variances).
Imigration, income and unemployment: an application of the bounds testing approach to cointegration, The Journal of Developing Areas 41(1): 37-49.
On the eve of the election Enoch Powell, the Wolverhampton Tory MP who was dismissed from the shadow cabinet in 1968 for his 'Rivers of Blood' speech, opposing mass imigration, announces his resignation from the party.
But the pity is, that if it wasn't for the UKIP party, we ordinary mortals would not be aware of the unbelievable high cost to us taxpayers of this institution, the imigration problems that go with membership and our loss of sovereignty.
A petition is gathering strength in the UK to stop the "massive imigration" of Bulgarians and Romanians in 2014, when EU restrictions on immigration are relaxed.
Unne nouvelle geographie de l"imigration, Bulletin Europeen, 62 Anne, nr.
The proportion of cases among foreign-born persons were obtained from the World Health Organization global database (21), and net imigration rates were obtained from the OECD migration database (22).