人口迁移英文PPT

Females appear to pre-dominate among short-journey migrants
6. Technology and migration
Does migration increase? I believe so! . .. Wherever I was able to make a comparison I found that an increase in the means of locomotion and a development of manufactures and commerce have led to an increase of migration.
Bad or oppressive laws heavy taxation
an unattractive climate uncongenial social surroundings Compulsion:slave trade, transportation
varies with
The degree of diversity of areas
Competing Migrants
Forced Migration
Mobility Transition
D.J.Bogue
MassMigration The Stress-threshold Model Impelled Migration Lowry Type Regression Model
Place Unity
There takes place consequently a universal shifting or displacement of the population, which produces setting in the direction of the great centers of commerce and industry which absorb the migrants
Tend to increase with time
Technique
Migration tends to take place largely within well defined stream.
For every major migration stream, a counterstream develops.
C.T.Stewart
J.J.Mangalam
Aggressive Effect
G.S.Tolley
S.A.Stouffer
Gravity Concept
G.Olsson
Intervening Opportunity
However, not all kinds of spatial mobility are included in this definition. Excluded, for example, are the continual movements of nomads and migratory workers, for whom there is no long-term residence, and temporary moves like those to the mountains for the summer.
4. Urban-rural differences in propensity to migrate
The natives of towns are less migratory than those of the rural parts of the country
5. Predominance of females among shortdistance migrant
The migrationsmap .of the world
Global Migrant Origin Database
Videos
This animated map shows how radically a highspeed train system would improve travel in the US Animated map shows how European languages evolved and spread This animated map traces the shocking spread of Zika and where it could hit next Animated map shows the history of immigration to the US
the guarantee of property rights
general
Risks the risks of the socialist context
Politics local political support
The patterns that developed in the countryside after Mao have been described as ‘local state corporatism’
Kinship or social networks provide non-market frameworks
Local capitalism refers to capitalist practices that are made possible not so much by the social and legal infrastructure of the nation-state, but by local conditions of existence, preconditions that may vary considerably from one place to another.
processes of entitlement and exclusion as accomplished locally
Translocality
ways made on the loyalties of those possessing capital
The nature of „grassroots‟ is often taken for granted and to be liberating or resistant to forms of domination.
The process of dispersion is the inverse of that of absorption, and exhibits similar feature
3. Stream and counterstream
Each main current of migration produces a compensating countercurrent". In modern terminology, stream and counterstream have been substituted for Ravenstein's current and counter-current.
The inhabitants of the country immediately surrounding a town of rapid growth flock into it; the gaps thus left in the rural population are filled up by migrants from more remote districts
The efficiency of the stream (ratio of stream to counterstream or the net redistribution of population effected by the opposite flows) is high if the major factors in the development of a migration stream were minus factors at origin.
origin
destination
Advantages and Disadfvantages
Fertility
Localism
By ‘localism’, we refer to representations that emphasize a spatial or social boundary between an entity to which is ascribed attachment to, membership in, or control over a spatially limited region (however fuzzy those limits might be), and where other elements are represented as being ‘outside’.
The difficulty of surmounting the intervening obstacles
OSS
The diversity of people The fluctuations in the economy The state of progress in a country or area
local
The concept of local capitalisms encourages us to consider capitalism, under certain conditions, as a subordinated, local economy reliant on the support of social relations rather than as a dominant force penetrating other ways of life.