CURRENT PROBLEMS OF UKRAINIAN PART BLACK SEA AREA
Journal Title: Вісник Одеського національного університету. Географічні та геологічні науки - Year 2016, Vol 21, Issue 2
Abstract
The purpose of the paper is the scientific recommendations for corrected scheme of the Black sea shelf ecological monitoring. For the scientific base the generalization information concerning the main problems of human press to the Northwestern part of the Black Sea had been used. These are euthrophication phenomena and contamination input from the revering runoff and technogenic press. As a result, scientific recommendation for optimal and corrected monitoring can be done Materials & Methods. The average concentration of mercury, copper, lead, cadmium, nickel, zinc, arsenic, chromium and phenols were presented for two periods: before 1985 and duration from 1991 up to 2013. The total data for the individual parameters is 5416 values. The averaged values of the studied parameters are processed by linear interpolation and given to the centers of the squares, ranked by hydrological features. The information about the formation and location of eutrophication and near bottom hypoxia areas from numerous publications was supplemented. Results. The most important period for complexes monitoring is the end of summer up to the beginning of autumn, on the bottom more than 20 m depth when season thermo – cline is rather strong. The indicators of the near bottom hypoxia must be the concentration of dissolved oxygen (less 3.0 mg per l) and the condition of benthos. It is necessary to take into consideration the important factors of the negative input to marine environment are technogenic influence as a result of marine transport, extraction of mineral resources, the impact of discharges of large urban agglomerations, and the coastal zone using as a recreational resource. All of it is the reason of heavy metals and oil concentration increased in bottom sediments. According the Europeans rules and water directives the modern state of the ecosystem of the of the Northwestern of the Black sea, fully located on the Ukrainian part of sea, needs to organize complexes ecological monitoring using the climatic specification and hydrology structure of water masse
Authors and Affiliations
N. Berlinsky
Keywords
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