High-Resolution Lacustrine Records of the Late Holocene Hydroclimate of the Sikhote-Alin Mountains, Russian Far East
There is little information about moisture changes in different altitudinal belts in mountainous regions of the southern Russian Far East. We present ecological and taxonomic compositions of the diatom flora and identify the botanical composition of peat in small mountain lake/mire complexes located...
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MDPI AG
2023-06-01
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| author | Nadezhda Razjigaeva Larisa Ganzey Tatiana Grebennikova Tatiana Kopoteva Mikhail Klimin Khikmatulla Arslanov Marina Lyashchevskaya Alexander Panichev Sergey Lupakov |
| author_facet | Nadezhda Razjigaeva Larisa Ganzey Tatiana Grebennikova Tatiana Kopoteva Mikhail Klimin Khikmatulla Arslanov Marina Lyashchevskaya Alexander Panichev Sergey Lupakov |
| author_sort | Nadezhda Razjigaeva |
| collection | DOAJ |
| description | There is little information about moisture changes in different altitudinal belts in mountainous regions of the southern Russian Far East. We present ecological and taxonomic compositions of the diatom flora and identify the botanical composition of peat in small mountain lake/mire complexes located in the Central Sikhote-Alin Mountains, within large landslides on the paleovolcanic slopes. Frequent changes in diatom assemblages and peat-forming plants indicate unstable hydroclimatic conditions with varying degrees of wet and dry conditions up to the overgrowth of the lakes. Frequent change in sphagnum mosses with different trophic preferences was identified. The chronology is based on 11 radiocarbon dates. Accumulation rates reached 1.7–1.9 mm/year, and the temporal resolution for the reconstructions was up to 30–40 yr. The tendencies of lake evolution depended on different scale hydroclimatic changes over the last 4400 yr. The most detailed data for the last 2600 yr were obtained from the Nizhnee Lake sequence, which is more sensitive to climatic changes. The main reason for the change in the hydrological regime of the lakes was variations in precipitation during short-term climatic changes. The sediment record of moisture fluctuations is relatively well correlated with regional patterns reflecting summer monsoon intensity and cyclogenesis activity. |
| first_indexed | 2024-03-11T01:17:58Z |
| format | Article |
| id | doaj.art-bf8368d62ebb4321a6a36e733cd0fc98 |
| institution | Directory Open Access Journal |
| issn | 2079-7737 |
| language | English |
| last_indexed | 2024-03-11T01:17:58Z |
| publishDate | 2023-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Biology |
| spelling | doaj.art-bf8368d62ebb4321a6a36e733cd0fc982023-11-18T18:22:58ZengMDPI AGBiology2079-77372023-06-0112791310.3390/biology12070913High-Resolution Lacustrine Records of the Late Holocene Hydroclimate of the Sikhote-Alin Mountains, Russian Far EastNadezhda Razjigaeva0Larisa Ganzey1Tatiana Grebennikova2Tatiana Kopoteva3Mikhail Klimin4Khikmatulla Arslanov5Marina Lyashchevskaya6Alexander Panichev7Sergey Lupakov8Pacific Geographical Institute, Far Eastern Branch of the Russian Academy of Sciences, Radio St., 7, 690041 Vladivostok, RussiaPacific Geographical Institute, Far Eastern Branch of the Russian Academy of Sciences, Radio St., 7, 690041 Vladivostok, RussiaPacific Geographical Institute, Far Eastern Branch of the Russian Academy of Sciences, Radio St., 7, 690041 Vladivostok, RussiaInstitute of Water and Ecological Problems, Far Eastern Branch of the Russian Academy of Sciences, Dikopoltsev St., 56, 680000 Khabarovsk, RussiaInstitute of Water and Ecological Problems, Far Eastern Branch of the Russian Academy of Sciences, Dikopoltsev St., 56, 680000 Khabarovsk, RussiaInstitute of Earth Sciences, St. Petersburg State University, Universitetskaya Nab., 7/9, 199034 St. Petersburg, RussiaPacific Geographical Institute, Far Eastern Branch of the Russian Academy of Sciences, Radio St., 7, 690041 Vladivostok, RussiaPacific Geographical Institute, Far Eastern Branch of the Russian Academy of Sciences, Radio St., 7, 690041 Vladivostok, RussiaPacific Geographical Institute, Far Eastern Branch of the Russian Academy of Sciences, Radio St., 7, 690041 Vladivostok, RussiaThere is little information about moisture changes in different altitudinal belts in mountainous regions of the southern Russian Far East. We present ecological and taxonomic compositions of the diatom flora and identify the botanical composition of peat in small mountain lake/mire complexes located in the Central Sikhote-Alin Mountains, within large landslides on the paleovolcanic slopes. Frequent changes in diatom assemblages and peat-forming plants indicate unstable hydroclimatic conditions with varying degrees of wet and dry conditions up to the overgrowth of the lakes. Frequent change in sphagnum mosses with different trophic preferences was identified. The chronology is based on 11 radiocarbon dates. Accumulation rates reached 1.7–1.9 mm/year, and the temporal resolution for the reconstructions was up to 30–40 yr. The tendencies of lake evolution depended on different scale hydroclimatic changes over the last 4400 yr. The most detailed data for the last 2600 yr were obtained from the Nizhnee Lake sequence, which is more sensitive to climatic changes. The main reason for the change in the hydrological regime of the lakes was variations in precipitation during short-term climatic changes. The sediment record of moisture fluctuations is relatively well correlated with regional patterns reflecting summer monsoon intensity and cyclogenesis activity.https://www.mdpi.com/2079-7737/12/7/913mountain lake/mire complexesdiatomsbotanical compositioninundation and dry periodsmonsooncyclogenesis |
| spellingShingle | Nadezhda Razjigaeva Larisa Ganzey Tatiana Grebennikova Tatiana Kopoteva Mikhail Klimin Khikmatulla Arslanov Marina Lyashchevskaya Alexander Panichev Sergey Lupakov High-Resolution Lacustrine Records of the Late Holocene Hydroclimate of the Sikhote-Alin Mountains, Russian Far East Biology mountain lake/mire complexes diatoms botanical composition inundation and dry periods monsoon cyclogenesis |
| title | High-Resolution Lacustrine Records of the Late Holocene Hydroclimate of the Sikhote-Alin Mountains, Russian Far East |
| title_full | High-Resolution Lacustrine Records of the Late Holocene Hydroclimate of the Sikhote-Alin Mountains, Russian Far East |
| title_fullStr | High-Resolution Lacustrine Records of the Late Holocene Hydroclimate of the Sikhote-Alin Mountains, Russian Far East |
| title_full_unstemmed | High-Resolution Lacustrine Records of the Late Holocene Hydroclimate of the Sikhote-Alin Mountains, Russian Far East |
| title_short | High-Resolution Lacustrine Records of the Late Holocene Hydroclimate of the Sikhote-Alin Mountains, Russian Far East |
| title_sort | high resolution lacustrine records of the late holocene hydroclimate of the sikhote alin mountains russian far east |
| topic | mountain lake/mire complexes diatoms botanical composition inundation and dry periods monsoon cyclogenesis |
| url | https://www.mdpi.com/2079-7737/12/7/913 |
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