Marine Ecological Geography: Theory and Experience by Dmitry Ya Fashchuk

By Dmitry Ya Fashchuk

In bankruptcy 1 the methodological rules of systemization and visualization of multidimensional ecological details for its operational dissemination between power clients are acknowledged. Their cognizance ends up in production of the geographic-and ecologic version of marine basin as a knowledge base for analysis of the marine atmosphere nation, estimation of results of financial job, and modelling of its alterations with using mathematical instruments. In bankruptcy 2 the geographic-and-ecological facets of mathematical modelling of marine ecosystems, the probabilities and peculiarities of the main sufficient versions, the Russian hydrodynamic version of oil spills "SPILLMOD" and hydroecological version of organogenic compound transformation within the sea, are investigated. within the following six Chapters the examples of sensible awareness of geographic-and-ecological (as info resource) and mathematical (as computing equipment) modelling on the investigations of particular ecological difficulties linked to effects of usual risks and financial job on aquatory and in the complete Black Sea basin are given.

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1992): (1) B10, (2) 11–100, (3) [100 contemporary presentation (numerous graphs and tables) complicates the corresponding perception and assessments. To solve this problem it is proposed to use a non-dimensional integral criterion—index of abnormal state of biotic component of marine ecosystem (IASB) representing the sum of normalized anomalies of biological parameters in the given year. These normalized anomalies are taken in modulus, and the anomaly sign is considered at diagram construction.

1996). 4 Visualization of Marine Ecological Data 25 When analyzing the maps of Fig. 9, it is easy to establish that over the investigated period (1980–1990) this indicator in the northwestern Black Sea, in the Danube–Odessa area, decreased from 70–100 to 30–50% of cases a year. At the same time, the concentration zones extended, and cases of oil film registration along the coast, from Cape Tarkhankut to Sevastopol and from Sochi to Batumi, became more frequent. In the Yalta-Feodosiya, Anapa-Novorossisk, Tuapse-Sochi areas these zones were highly stable during the whole period (1980, 1984, 1986 and 1990 are illustrative).

Hypothetically, it can be supposed that the results of last development stage of the specified complex of cause-and-effect relationships are negatively reflected in the life activity of cold-water forms of food zooplankton inhabiting these depths but the specific evidence for this has not been obtained yet. At the same time, upwelling in the centers of eastern and western cyclonic circulations results in an enrichment of the photic layer with mineral salts and, as consequence, favors an increase in basin productivity.

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