coastal area in May, on the total surface taken into account, ranged from only
10 individuals (P. P. relicta) to 97 individuals (T. T. ponticus) (Fig. 27.12).
The observations carried out on board of vessels and boats from the coastline to
the offshore zone generated data and information about cetacean abundance along
Fig. 27.9 Total number of estimated cetaceans in May 2013 (by vessel)
Fig. 27.10 Total number of cetaceans by species (by boat, May 2013)
480
G. T ¸ iganov et al.