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Information × Registration Number 0225U003151, (0124U003485) , R & D reports Title Monitoring of the state of aquatic ecosystems in the zone of influence, restoration and operation of deep-water shipping (according to hydrobiological indicators) popup.stage_title Проведення робіт з моніторингу стану водних екосистем в зоні впливу відновлення та експлуатації ГСХ (за гідробіологічними показниками); визначення екологічного стану водних екосистем згідно вимог Водної Рамкової Директиви ЄС; розробка рекомендацій щодо удосконалення системи моніторингу ГСХ Дунай – Чорне море; розробка рекомендацій щодо мінімізації впливу ГСХ Дунай – Чорне море на прісноводні екосистеми Head Zorina-Sakharova Kateryna Ye., Кандидат біологічних наук Registration Date 27-05-2025 Organization Institute of Hydrobiology of the National Academy of Sciences of Ukraine popup.description1 Carrying out of works on monitoring of a condition of water ecosystems in a zone of influence of restoration and operation of a deep-water vessel course (on hydrobiological indicators); determination of the ecological status of aquatic ecosystems in accordance with the requirements of the EU Water Framework Directive; development of recommendations for improving the monitoring system of the deep waterway Danube - Black Sea; development of recommendations for minimizing the impact of the deep-sea vessel Danube - Black Sea on freshwater ecosystems. popup.description2  The analysis of the results showed that most of the hydrophysical, hydrochemical and biological characteristics of the water areas of the GSH in the long-term aspect changed within wide limits and did not have a directional trend. However, it should be noted that in recent years there has been a significant trend towards a decrease in electrical conductivity and oxygen content in water. In 2024, a decrease in the species richness of algaflora, macrophytes and benthic invertebrates was recorded. Among the latter, a significant reduction in the representation of insects is of concern. In the algaflora, an increase in the role of small-celled algae is noted, which indicates an increase in the trophicity of the studied water areas. But the species richness of the ichthyofauna and the results of the assessment of the ecological state according to this descriptor indicate an improvement in conditions for fish in the water areas of the GSH. The quantitative indicators of most alien species in the water areas of the State Fisheries Administration were at the level of last year's research, however, in the long-term aspect, an expansion of the representation of the macrophytes Vallisneria spiralis L. and the crustacean Macrobrachium nipponense (De Haan) in the Danube Delta is observed. Product Description popup.authors Hupalo Olena O. Zorina-Sakharova Kateryna Ie. Liashenko Artem V. Malyshenko Larysa V. Pohorielova Maryna S. Sereda Tetiana M. Starosyla Yevheniia V. Trylis Volodymyr V. popup.nrat_date 2025-05-27 Close