The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The dependence of the chemical composition of near-bottom waters and bottom sediments on the character of the immediate catchment basin and the morphology of the bottom of the lake basin is shown. Differentiation of the content of such microelements as Ba, Sr, Pb, Mn, and Cr was observed in the sediments. The content levels of lead and chromium were higher than the accepted toxic levels for macrophytes...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.