Biophysical and biochemical techniques in monitoring the coastal waters of Sevastopol (Black Sea)

O.V. Mashukova1, E.N. Skuratovskaya1, J.B. Shilova2

1The A.O. Institute of Marine Biological Research of RAS (IMBR) Russian Federation, Sevastopol, Nakhimov Av., 2

E-mail: olgamashukova@yandex.ru

2State Budgetary Educational Institution of Additional Education of the city of Sevastopol “Junior Academy of Sciences of the city of Sevastopol”, Russian Federation, Sevastopol, 163 General Ostryakov Ave.

E-mail: julia.shilova01@gmail.com

DOI: 10.33075/2220-5861-2019-1-55-62

UDC 504.064.3:57.08(262.5)   

Abstract:

   Some examples of application of modern biophysical and biochemical techniques in monitoring the coastal waters of Sevastopol are given in the article. Bioluminescence analysis was used as the main biophysical method. The results of spectral analysis of the data obtained by towing a probe SALPA-M prove the existence of a reliable link between the variability of the bioluminescent field and the ecological state of the region under study. Distribution cycling of the bioluminescent field (the area of its variability) can be considered as an indicator of the condition of the bioluminescence field producers.

   The results of many years of research of the coastal waters of Sevastopol demonstrated the usefulness and feasibility of using biochemical methods for estimating the state of ground fish and their habitat. The nature of cause- effect relationship between biochemical parameters and the level of water pollution was determined.

   The material presented indicates the fact that the application of biophysical and biochemical techniques for ecological monitoring of the coastal waters is highly important and rapidly developing direction in modern hydrobiology. Biophysical methods are more indicative when studying the state and productivity of plankton communities of various size structures. Bioluminescence is an essential element of plankton community functioning and can be implemented for a rapid assessment of its structure and functional state. Biochemical techniques enable to observe failures at the earliest stage of damage. Their application for ecological monitoring of the coastal waters is appropriate and worthwhile when studying benthic organisms.

Keywords: ecological monitoring, bioluminescence, bio-indication, biochemical markers, marine biota.

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