Svetlana Popova

Svetlana Popova
Russian Academy of Sciences | RAS · Komarov Botanical Institute

About

30
Publications
14,650
Reads
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349
Citations
Additional affiliations
July 2008 - October 2011
Senckenberg Biodiversität und Klima - Forschungszentrum
Position
  • guest researcher
Education
September 2002 - November 2004
Saint Petersburg State University
Field of study
  • botany, palaeobotany

Publications

Publications (30)
Conference Paper
Full-text available
Получены первые данные датирования органогенных отложений разреза на р. Большая Дубёнка. Предварительная оценка изохронного 230Th/U возраста серии образцов из торфа и нижней части песчанистой гиттии позволяет предположить, что начало термического максимума последнего межледниковья, определенного с помощью спорово-пыльцевого анализа, в разрезе на р....
Preprint
Основная цель настоящего исследования состояла в получении точных количественных оценок возраста отдельных этапов микулинского межледниковья по данным 230Th/U датирования и палеоботанического изучения органогенных отложений известного опорного разреза “Нижняя Боярщина”. Выбор данного разреза связан с наличием достаточно мощной органосодержащей толщ...
Conference Paper
Full-text available
До сих пор нет единого мнения о временных рамках и продолжительности микулинского межледниковья. Решение этого вопроса предполагает выполнение широких палеогеографических исследований большого числа разрезов микулинских отложений, в т.ч. на Северо-Западе Русской Равнины. В ходе полевых работ, проведённых в сентябре 2021 г., удалось найти несколько...
Article
New data on fossil insects, soil and freshwater invertebrates, plant macrofossils, pollen and spores were obtained from a problematic lower unit of the reference section Bely Yar-II (Tunka Rift, Baikal Region, Russia). The invertebrates show a natural succession from a small lake to a wetland; plant macrofossils confirm the early stages of successi...
Article
Full-text available
Additional material for article "Rupelian Kazakhstan floras in the context of Early Oligocene climate and vegetation of Central Asia"
Article
Full-text available
Additional material for the article "Rupelian Kazakhstan floras in the context of Early Oligocene climate and vegetation of Central Asia"
Article
Full-text available
The Oligocene represents a transitional phase from a “hot‐house” to a “cold‐house” climate. Central Asia has undergone substantial environmental changes and tectonic events; however, we know little about how these tectonic events shaped the climate and biodiversity in Central Asia. Here, we present a detailed study on the early Oligocene paleobotan...
Article
Full-text available
Spatial vegetation patterns potentially reflect coeval continental climate variations which are also impacted by palaeogeographical settings. Plant functional types (PFTs) and their distribution, frequently applied in ecological studies and biome modelling, serve as a tool for reconstructing palaeovegetation units and ultimately tracing palaeoecolo...
Article
Full-text available
The investigation of the fossil floras from the Turgai plateau (central Kazakhstan) contributes to a better understanding of the origin of the temperate Turgai type flora which spread to Kazakhstan and adjacent areas during the Oligocene–Miocene transition. In this paper, we present the results of a carpological and palynological study of the Kumyr...
Article
Based on ecospectra of 66 published carpofloras we study dynamics and evolution of Turgay vegetation in Western Siberia during the early Oligocene to earliest Miocene. The ecospectra are obtained using a Plant Functional Type (PFT) classification system comprising 26 herbaceous to arboreal PFTs. The carpofloras originate from seven floristic levels...
Chapter
Full-text available
The evolution of plant ecosystems during the Cenophytic was complex and influenced by both abiotic and biotic factors. Among abiotic forces were tectonics, the distribution of continents and seas, climate, and fires; of biotic factors were herbivores, pests, and intra- and interspecific competition. The genus QuercusL. (Quercoideae, Fagaceae) evolv...
Article
Full-text available
Despite the existence of a rich record, fossils of Carex have been largely neglected by neobotanists. Here we present an exhaustive critically commented checklist of the so-far published pre-Pleistocene records ascribed to Carex. We have made every attempt to include all pertinent paleobotanical literature. The extensive collection of the Museum fü...
Article
Full-text available
Premise of research. The Cenozoic fossil record is crucial for understanding the evolution of the remarkably high diversity of angiosperms. However, the quality and biases of the angiosperm fossil record remain unclear mainly due to the lack of a global database. Methodology. We introduce a new global occurrence-based database for Cenozoic angiospe...
Article
Nelumbo Adans. (Nelumbonaceae) is an important member of the early-diverging eudicots. It contains two extant species: N. nucifera Gaertn. (the Sacred lotus), distributed in Asia and Australia and N. lutea Willd. (the American lotus), occurring in North America. This paper reviews the taxonomic, evolutionary and phytogeographic studies of the genus...
Article
Full-text available
The historical reconstruction of the origin and dispersal of plant taxa in space and time facilitates a better understanding of their modern distribution patterns. However, most studies of paleobiogeography have focused on terrestrial plants, and the distribution changes of aquatic plants are less well understood. Here we study the lotus plant Nelu...
Article
Full-text available
Cenozoic vegetation change in Western Siberia and northeastern Russia is quantified based on the analysis of diversity of plant functional types (PFTs). Carpofloras (148 total) compiled from published sources are assigned to a total of nine time slices spanning the period from the middle Eocene to the late Pliocene. Comparisons among four defined k...
Data
Cenozoic vegetation change in Western Siberia and northeastern Russia is quantified based on the analysis of diversity of plant functional types (PFTs). Carpofloras (148 total) compiled from published sources are assigned to a total of nine time slices spanning the period from the middle Eocene to the late Pliocene. Comparisons among four defined k...
Article
Full-text available
Cenozoic vegetation change in Western Siberia and northeastern Russia is quantified based on the analysis of diversity of plant functional types (PFTs). Carpofloras (148 total) compiled from published sources are assigned to a total of nine time slices spanning the period from the middle Eocene to the late Pliocene. Comparisons among four defined k...
Article
Full-text available
Th e Cenozoic continental deposits of Western Siberia, Eastern Siberia and the Russian Far East are best described on the basis of carpological records. Th e palaeoclimate evolution has been reconstructed quantitatively (Coexistence Approach) providing inferred data on temperature, precipitation and the mean annual range of these parameters. Climat...
Article
Full-text available
Recent studies in the frame of the NECLIME (Neogene Climate Evolution in Eurasia) network provide a comprehensive inventory of continental palaeoclimate data for various time slices reconstructed from the palaeobotanical record. The integrative analysis of spatial gradients and patterns observed from the proxy data, together with data obtained from...
Article
Elucidating the spatio-temporal distributions of terrestrial plants is a key for interpreting the origin of distribution patterns and the tempo of intercontinental disjunction. Nordenskioeldia was distributed in eastern Asia and North America from the Late Cretaceous to the Miocene. Its fossil record provides important information on former pattern...

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Projects

Projects (2)
Project
The stratigraphy and chronology of the Upper Pleistocene deposits in northwestern Russian Plain has been studied for many decades. However, a number of issues have not yet been resolved despite the large amount of information. The problems of establishing time boundaries and the chronostratigraphic position of the initial, optimal and final phases, as well as the duration of the Mikulino Interglacial could belongs to these. Until now, these characteristics are mainly based on indirect evidence such as correlation with oxygen isotope data from deep-sea oceanic and ice cores. Based on this, the time interval of the last interglacial corresponds to the marine isotope-oxygen substage MIS-5e. However, there are other ideas indicating a longer duration of this period and other age limits. One of the most important archives of paleogeographic information about the Mikulino Interglacial is buried organogenic deposits, which can be directly dated by the 230Th/U method. The previously published results of 230Th/U dating and paleobotanical studies of peat, gyttja, and other types of organo-bearing deposits testified the prospects of this approach for establishing the chronostratigraphic position of warm periods. The detailed geochronological studies of well known key sections with organogenic deposits in northwestern Russian Plain are proposed in order to solve the problem of the Mikulino Interglacial chronology. Features of vegetation development corresponding to the initial, optimal and final phases of the interglacial period will be distinguished based on their detailed paleobotanical study. After that, these relatively short age intervals will be dated by the 230Th/U method. More accurate age data on the time boundaries and duration of the Mikulino Interglacial in northwestern Russian Plain will be obtained taking into account the improved approach to 230Th/U isochronous dating. The results of these studies can be applied in regional stratigraphy and for interregional correlations of natural events in the Pleistocene.
Project
NECLIME is an open international network of scientists working on Cenozoic climate evolution and related changes of continental ecosystems. During the past 65 million years of Earth history, globally warmer-then-present conditions prevailed in a world with almost modern paleogeography. These timespans represent promising case studies for anticipated future scenarios. Within the NECLIME network, we aim to combine data on past climate change and its environmental impact for large-scale reconstructions. NECLIME research activities comprise paleoclimate reconstructions, including atmospheric CO₂ and ecosystem analysis using multiple quantitative methods on various primarily continental proxies (plants; vertebrates; invertebrates; geochemistry and geological proxies). Complementing model studies are employed to assess connections and processes driving ocean, atmosphere and biosphere at global and regional scales. NECLIME was established in 1999 with the aim to understand Neogene trends across Eurasia. This basic idea quickly and constantly expanded to a global interest and a wider stratigaphical frame. The steadily growing NECLIME network with currently around 140 members in 34 countries is coordinated by a team of researchers and an advisory board. NECLIME holds annual conferences and workshops and administers working groups bringing forward scientific exchange, joint projects, and the integration of research data. For more information go to www.neclime.de