PRESSURE - Biological Minimum

The biological minimum is determined from environmental point of view as 10% of the average flow of the waterway with reference to which it is determined .This is also specified in the National Development Strategy, 1997.

Biological minimum from environmental point of view

Watershed/measuring station
(watershed area)

(1) average flow (m3/s)

(2) = (1) h 10%
(m3/s)

Annual value on
(2)  (106 m3)

1. Vardar/Gevgelia
(22,301 km2 )

136,0

13,6

429

2. Treska/Sveta Bogorodica
(1,880 km2 )

23,3

2,3

73

3. Pcinja /Katlanovska Banja
(2,794 km2 )

11,9

1,2

38

4. Bregalnica/Stip
(2,897 km2 )

11,3

1,1

35

5. Crna/Rasimbegov Most
(4,526 km2 )

22,4

2,2

70

6. Strumica/Novo Selo
(1,401 km2 )

3,8

0,4

12

7. Crn Drim/Lozani
(-)

23,4

2,3

73

Total

 

 

730

 Source: Seventh Meeting Water Economy in tne Republic of Macedonia, 1-3 June 2000