0 to leave a country permanently and go to live in another one:
1 to leave a country permanently and go to live in another one:
2 to leave your country in order to live permanently in another country:
However, the present authors tentatively conclude that diving beetles may emigrate due to density-dependent effects when their populations reach certain but unknown threshold levels.
This presents a problem, as without food, natural enemies are likely to emigrate from the crop or die.
The city's middle-class professionals, and those who could afford to emigrate to neighbouring countries, started leaving in their thousands.
The core of the overpopulation thesis is that an unequal, impartible inheritance system could have prevented the population from growing, becoming impoverished and emigrating.
There were 26 respondents who had emigrated more than 15 months prior to the survey date.
Equally, flies emigrate from a given cell into four adjacent cells; the total number leaving is thus 4 the number of flies present.
The others either remained single in the village, living as well as they could, or emigrated to seek a better life.
In 1939 the colonisation budget was increased for three years; 30,000 people emigrated in that year.