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- Title
INVESTIGATIONS OF DEVELOPMENT SPECIFICS OF PHYTOPLANKTON COMMUNITY IN POLLUTED AREAS OF SYUNIK REGION.
- Authors
Hambaryan, L. R.; Stepanyan, L. G.; Mamyan, A. S.
- Abstract
Ecological conditions of territories under pressures of pollution (agriculture, mining activity, urbanization) cause degradation of ecosystems. An example of ecologically adverse effect on an aquatic ecosystem is Voghchi River of Syunik region, where the mining activities conducted without being controlled in accordance with international environmental standards and with no consideration of the assessment of impact on environment. Study of phytoplankton community of Voghchi River, revealed a large number of species - indicators of different types of pollution. The filamentous and large-forms of green and blue-green algae were dominating in phytoplankton. The development of these species demonstrates of heavy metal pollution on the river. Research of phytoplankton of Voghchi River in 2014, showed that compared with years 2008-2009, the quantitative parameters of algae, especially their toxic forms, such as Phormidium, Microcystis, Aphanizomenon, Oscillatoria, Chroococcus and Anabaena, has increased.
- Subjects
ARMENIA; PHYTOPLANKTON; HEAVY metal toxicology; PHORMIDIUM; APHANIZOMENON; MICROCYSTIS; OSCILLATORIA; ANABAENA; RIVERS
- Publication
Electronic Journal of Natural Sciences, 2016, Vol 26, Issue 1, p24
- ISSN
1728-791X
- Publication type
Article