Demographic Potential and Problems of the Settlements Network in the Mountains of Bulgaria - Sustainable Development in Mountain Regions: Southeastern Europe - page 161

%

Fig. 13.2 Ratio between
mountain and plain areas and
population in Bulgaria

100

25.4

80

47.8

60

40

74.6

52.2

20

0

Territory Population

Plain area

Mountin areas

Density of population
(per sq. km)

0 −

10

40 −

60

10 − 20 60 − 80

20 −

40

> 80

Fig. 13.3 Density of population - 2007

mountains, together with the accepted boundaries of the latter. Altitude by itself has
little significance for the distribution of population throughout different hypsometric
belts - its effect is revealed mostly by the industry conditions (especially agriculture)
and the popular customs of the population (Fig. 13.3 ).
The dynamics of the number and distribution of the population across the dif-
ferent mountains is shown in Table 13.1. In 2007, 875,300 people lived in Stara