Affiliation:
1. South Urals Federal Research Center of Mineralogy and Geoecology UB RAS, Miass, Russia
Abstract
Changes of deep mountain-steppe oligo-mesotrophic lake Yaktykul (Bannoe) over the past 230 years were studied based on diatom analisis of the sediments core. Identified species and varieties of diatoms (126) were represented mainly by planktonic-benthic alkaliphiles, oligohalobes, β-mesosaprobes and oligosaprobes. Five diatom zones were distinguished. Small cyclic diatoms (Stephanodiscus parvus, Pantocsekiella comensis) increase in the upper part of the sediment core was observed. Changes in total phosphorus (TP) concentration were reconstructed. Until the middle of the twentieth century, the content of TP correlated with growing season temperature, and then with annual precipitation, which could be explained by increasing role of phosphorus inflow from the catchment.
Reference14 articles.
1. 1. Barinova S.S., Medvedeva O.V., Anisimova O.V. Bioraznoobrazie vodoroslej-indikatorov okruzhayushchej sredy [The biodiversity of algae is an indicator of the environment]. Russkoe izd-vo “Pilies Studio”, Tel'-Aviv, 2006. 498 p. (In Russ.)Bennion H. A diatom-phosphorus transfer function for shallow, eutrophic ponds in southeast England. Hydrobiologia. 1994. V. 275. P. 391–410. https://doi.org/10.1007/BF00026729
2. 2. Bennion H. A diatom-phosphorus transfer function for shallow, eutrophic ponds in southeast England. Hydrobiologia. 1994. V. 275. P. 391–410. https://doi.org/10.1007/BF00026729
3. 3. Bennion H., Juggins S., Anderson N.J. Predicting epilimnetic phosphorus concentrations using an improved diatom-based transfer function and its application to lake eutrophication management. Environmental Science and Technology. 1996. V. 30. P. 2004–2007. http://dx.doi.org/10.1021/es9508030
4. 4. Chudaev D.A., Gololobova M.A. Diatomovye vodorosli ozera Glubokogo (Moskovskaya oblast') [Diatoms of Lake Glubokoe (Moscow region)]. Tovarishchestvo nauchnyh izdanij KMK, Moscow, 2016. 447 p. (In Russ.)
5. 5. Kulikovskiy M.S., Glushchenko A.M., Genkal S.I., Kuznecova I.V. Opredelitel' diatomovyh Rossii [The identifier of diatoms in Russia]. Filigran', Yaroslavl', 2016. 804 p. (In Russ.)