than 1400 h – fishing effort with gillnets (4 strings with 4 gillnets each, 400 m long/
each, mesh size ranging between 28 Ä 36 Φ).
The monitoring points in the Black Sea biogeographic region (MBLS) of the
Danube Delta marine zone are shown in Figs. 26.7, 26.8, 26.9, 26.10 and 26.11 below.
Additional investigations were performed in the Pontic biogeographical region
(PON) and the areas covered are shown in Figs. 26.12, 26.13, 26.14, 26.15 and
26.16.
Fig. 26.6 Survey fishing using the demersal trawl (left) and gillnets (right) (Photo NIMRD)
Fig. 26.7 Monitoring points for Pontic shad (MBLS)
26 Conservation Status of the Fish Fauna in the Danube Delta Marine Zone
453
each, mesh size ranging between 28 Ä 36 Φ).
The monitoring points in the Black Sea biogeographic region (MBLS) of the
Danube Delta marine zone are shown in Figs. 26.7, 26.8, 26.9, 26.10 and 26.11 below.
Additional investigations were performed in the Pontic biogeographical region
(PON) and the areas covered are shown in Figs. 26.12, 26.13, 26.14, 26.15 and
26.16.
Fig. 26.6 Survey fishing using the demersal trawl (left) and gillnets (right) (Photo NIMRD)
Fig. 26.7 Monitoring points for Pontic shad (MBLS)
26 Conservation Status of the Fish Fauna in the Danube Delta Marine Zone
453