migration

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migration

the movement of people into (immigration) and out of (emigration) a country that serves to increase or decrease the country's POPULATION and labour force. For example, immigration was an important factor in the early colonization of Australia and New Zealand, and the USA and Canada.
References in classic literature ?
The population is migratory, usually disappearing on the verge of quarter-day, and generally by night.
A number of rare species of red book and migratory birds increased in the protected natural area of Kyrgyzstan, said SAEPF.
On June 18, the II Meeting of the Consular and Migratory Consultation Mechanism Mexico-Uruguay was held, co-chaired by the General Director of Consular Services, Carolina Zaragoza and the General Director of Consular Affairs and Liaison, Jorge Muino.
Improving the conservation of wetlands and protection of migratory birds took center stage during the Second Meeting of the ASEAN Network on Wetlands and Migratory Water Birds Conservation (ASEAN Flyway Network).
1 / 5 The Saudi Falcons Club (SFC) concluded a two-day "World Migratory Bird Day and the impact on plastic on birds" forum on Monday.
Riyadh, May 12, 2019, SPA -- The Saudi Falcons Club (SFC) has concluded the two-day "World Migratory Bird Day and the Impact of Plastic on Birds " exhibition organized by SFC at Riyadh Park Complex in Riyadh city, to spotlight the impact of plastic pollution on migratory birds and their habitats which coincided with World Migratory Bird Day (WMBD), in which 53 countries around the world organize 300 awareness and cultural events.
These are just some of the 20-plus activities in celebration of birds at World Migratory Bird Days to be held in northeast Illinois and southeast Wisconsin.
More migratory birds are seeking food and warm temporary habitats in this town's wetlands, although local environment officials have noted other bird species are shying away from their usual abode.
The migratory birds such as Siberian Crane, migrate from Siberia to Balochistan due to moderate weather in March and go back in October every year.
KARACHI -- The number of migratory birds coming in from Siberia has declined drastically over the past three decades.
BADIN -- This winter less migratory birds that use Indus Flyway came to Sindh lakes due to acute contamination, as instead chose the cleaner water bodies in neighboring India.
(TAP)- Fifty thousand individuals from 80 species is the count of migratory waterbirds in the governorate of Medenine at the end of two-day campaign in the region.