Aquatic Bioresources and Environment, vol. 5, issue 1

Abstract

Vertical distribution of biogenic elements in Gelendzhik area in 2019 has been presented. Hydrochemical criteria for typification of the Azov limans of the Krasnodar Territory as the spawning grounds for semi-anadromous fish species have been enlisted. Use of the thermohaline method for determining the quasi-heterogeneity of the water masses in the Azov Sea is discussed. Age composition and linear growth of the invasive ark clam species (Anadara kagoshimensis (Tokunaga, 1906)) in the Kerch Strait have been estimated. Effect of different doses of pituitary hormone on the reproductive performance of shemaya females (Alburnus leobergi, Freyhof & Kottelat, 2007) has been studied. Heavy metals and arsenic in water, bottom sediments and Black Sea turbot (Scophthalmus maeoticus, Pall., 1814) in the Caucasian Shelf area in the Black Sea (1995–2020) have been traced. Exotic fish species off the Black Sea coast of the Krasnodar Territory are presented. Problems of using riverbed ponds in aquaculture (in the context of recent legislative changes) are considered.