lähtepiirkonnad
Läänepiirkonnad, also known as departure areas or source regions, is a term used in various contexts to describe locations from which something originates or moves outwards. In geography, it refers to the areas where people emigrate from, often due to economic, social, or political factors. These regions can experience a decline in population and a shift in demographics as a result of outward migration.
In the context of conflict or disaster, läänepiirkonnad are the areas where displaced populations originate. These
The concept of läänepiirkonnad also applies to the spread of diseases. It denotes the geographical origin of
In ecological terms, läänepiirkonnad can refer to the areas from which invasive species or pollutants originate.