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| Content Provider | Springer Nature Link |
|---|---|
| Author | Sapozhnikov, Ph. V. Kalinina, O. Yu. Nikitin, M. A. Samylina, O. S. |
| Copyright Year | 2016 |
| Abstract | In 2012, expeditions of the Institute of Microbiology, Russian Academy of Sciences, delivered samples of algo-bacterial mats from Kulunda steppe alkaline lakes (Petukhovskoe alkaline lake, Tanatar VI, and Gorchina III). The filamentous alga Ctenocladus circinnatus (Chlorophyta) acted as an edificator of the mats. The composition of cenoses algocomponents also included chlorophytes Dunaliella viridis and Picocystis salinarum as well as diatoms Anomeoneis sphaerophora, Brachysira brebissonii, B. zellensis, Mastogloia pusilla var. subcapitata, Nitzschia amphibia, N. cf. communis, and Nitzschia sp. 1. The composition and structure of phototrophic algae cenoses (including diatom taxocenes) were described for the investigated lakes for the first time. For the period from 2011 to 2012, the total mineralization significantly increased in lakes. This involved sensible alterations of cenoses. B. zellensis was the most permanent component of diatom taxocenes in both seasons. In the summer of 2011, it was often accompanied by A. sphaerophora and B. brebissonii. In the summer of 2012, A. sphaerophora was found only singularly in Lake Gorchina III, and some biotopes of Lake Tanatar VI were massively inhabited by N. cf. communis, including colonies that had not been previously described for the species. The genetic analysis of three diatoms, which are markedly different from each other in their appearance and were sampled from different lakes but were all determined as Nitzschia cf. communis, showed their complete similarity to each other with the 18S rRNA gene fragment and the highest similarity of all the three diatoms with the species Nitzschia communis. |
| Starting Page | 95 |
| Ending Page | 106 |
| Page Count | 12 |
| File Format | |
| ISSN | 00014370 |
| Journal | Oceanology |
| Volume Number | 56 |
| Issue Number | 1 |
| e-ISSN | 15318508 |
| Language | English |
| Publisher | Pleiades Publishing |
| Publisher Date | 2016-04-06 |
| Publisher Place | Moscow |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Oceanography |
| Content Type | Text |
| Resource Type | Article |
| Subject | Oceanography |
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