engleski

Composition of juvenile fish populations in the Donji Molunat bay, Southern Adriatic (Summer aspect)

A total of 1172 fishes belonging to 27 species were caught in July (283) and August (883) 1996. in the Donji Molunat Bay in the southern Adriatic using 50m long beach seine. Chromis chromis (48.29%), Spicara smaris (13.40%), Oblada melanura (8.11%) and Mullus barbatus (6.57%) comprised 76.37% of the total. O. melanura was dominant in July (83) and Ch. chromis in August (566). The remaining species comprised from 5.03% to 0.09%of the catch. The overall value of richness D was 3.68, ranging from 2.65 in July to 2.95 in August. Diversity H values vere 1.71 in July and 1.33 in August, with an overall value of 1.94. The annual value of eveness J was 0.59, fluctuating from 0.44 in August to 0.62 in July. Preliminary results of the present study provide a basis for future studies to elucidate what additional aspects may influence the distribution and abudance of juveniles during different seasons in the Donji Molunat Bay.

Biodiversity; Fishes; Coastal waters; Adriatic Sea

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