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Abstract
The paper contains the analysis of a possibility to use green drakes larvae of Ephemeroptera group for bioindicator researches during environmental monitoring of the South Ural rivers. Collection and analysis of types constancy of green drakes larvae was carried out in 2005 to 2016 in 17 state water posts on the territory of the South Ural rivers. As chemical characteristics the author used the index of content of compounds of manganese, nickel and iron, oil products, phenols, nitrogen ammonium, coppers, zinc, chemical oxygen consumption (COC), biological oxygen consumption in 5 days (BOC₅), sulfates, chlorides, nitrite nitrogen in river waters. In total constancy dynamics of 13 species larvae of mayflies was analyzed. The author has made a list of constant, additive and casual types of representatives of Ephemeroptera group. Significant correlative dependences between constancy of larvae of species of mayflies with a number of hydrochemical indexes are revealed statistically. The paper contains regression models for the constancy forecast of larvae of green drakes depending on concentration of the pollutant.
Highlights
Чаус Борис Юрьевич, кандидат биологических наук, доцент кафедры биологии Стерлитамакский филиал Башкирского государственного университета
In the following paper the author considers his own ecological framework of the Sviyaga River basin, which was created on the basis of a long-term study of the flora of vascular plants of a natural nature department located in the central part of the Volga Upland
The floristic and geobotanical description of the key areas – the nuclei in the structure of the river basin framework is given, with the justification of the reasons for their isolation and reduction of the rare species of vascular plants of the basin flora that betray the significance of the study area
Summary
Чаус Борис Юрьевич, кандидат биологических наук, доцент кафедры биологии Стерлитамакский филиал Башкирского государственного университета Решались 2 задачи: 1) сбор личинок поденок в районах 17 государственных водопостов, находящихся на реках, протекающих по территории Южного Урала; 2) сопряженный анализ связи динамики постоянства видов личинок поденок на вышеуказанных створах с гидрохимическими показателями, отражаемыми в ежегодно публикуемых государственных докладах «О состоянии природных ресурсов и окружающей среды республики Башкортостан» за 2006– 2016 годы. В качестве гидрохимических характеристик использовались такие показатели, как содержание в речных водах соединений марганца (Mn), никеля (Ni) и железа (Fe), нефтепродуктов (Н/п), фенолов (Фен), азота аммонийного (NН4), меди (Cu), цинка (Zn), ХПК, БПК5, сульфатов (SO2), хлоридов (Cl), азота нитритного (NO2) и удельный комбинаторный индекс загрязненности воды (УКИЗВ), отражаемые в ежегодно публикуемых государственных докладах «О состоянии природных ресурсов и окружающей среды Республики Башкортостан» за 2006–2016 годы [9,10,11,12,13,14,15]. Статистическая обработка материала проводилась в прикладной программе Microsoft Office Excel
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