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Data for: Sedimentary ancient DNA and pollen reveal the composition of plant organic matter in Late Quaternary permafrost sediments of the Buor Khaya Peninsula (north-eastern Siberia)
<p>Organic matter deposited in ancient, ice-rich permafrost sediments is vulnerable to climate change and may contribute to the future release of greenhouse gases; it is thus important to get a better characterization of the plant organic matter within such sediments. From a Late Quaternary permafrost sediment core from the Buor Khaya Peninsula, we analysed plant-derived sedimentary ancient DNA (sedaDNA) to identify the taxonomic composition of plant organic matter, and undertook palynological analysis to assess the environmental conditions during deposition. Using sedaDNA, we identified 154 taxa and from pollen and non-pollen palynomorphs we identified 83 taxa. In the deposits dated between 54 and 51 kyr BP, sedaDNA records a diverse low-centred polygon plant community including recurring aquatic pond vegetation while from the pollen record we infer terrestrial open-land vegetation with relatively dry environmental conditions at a regional scale. A fluctuating dominance of either terrestrial or swamp and aquatic taxa in both proxies allowed the local hydrological development of the polygon to be traced. In deposits dated between 11.4 and 9.7 kyr BP (13.4–11.1 cal kyr BP), sedaDNA shows a taxonomic turnover to moist shrub tundra and a lower taxonomic richness compared to the older samples. Pollen also records a shrub tundra community, mostly seen as changes in relative proportions of the most dominant taxa, while a decrease in taxonomic richness was less pronounced compared to sedaDNA. Our results show the advantages of using sedaDNA in combination with palynological analyses when macrofossils are rarely preserved. The high resolution of the sedaDNA record provides a detailed picture of the taxonomic composition of plant-derived organic matter throughout the core, and palynological analyses prove valuable by allowing for inferences of regional environmental conditions.</p>
Fig. 10 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 10. Canthocamptus waldemarschneideri sp. nov., ♂, Yuzshnoe Lake (KFU). A. P2 endopod, anterior view. B. P2 endopod, outer side. C. P3 endopod, anterior view. D. P3 endopod, inner side.
Fig. 11. A in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 11. A. Quartet puzzling tree of the genus Canthocamptus Westwood, 1836, constructed by the parsimony method based on the matrix from Supp. file 1. Dots mark the main changes in character states in studied branches. Changes in the characters are marked under the dot. B. Attheyella nordenskioldii (Lilljeborg, 1902), ♂, P2 endopod. Generic abbreviations: A. = Attheyella; B. = Bryocamptus; C. = Camptocamptus; E. = Elaphoidella; H. = Heteropsyllus; K. = Kikuchicamptus gen. nov.; M. = Mesochra.
Fig. 8 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 8. Canthocamptus waldemarschneideri sp. nov., allotype, ♂ (KFU BP 544/2). A. Antennule, dorsal view. B. Antennule, anterior view. C. P5.
Fig. 9 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 9. Canthocamptus waldemarschneideri sp. nov., allotype, ♂ (KFU BP 544/2). A. P2. B. P3; small seta indicated by arrowhead. C. P4.
Fig. 5 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 5. Canthocamptus waldemarschneideri sp. nov., holotype, ♀ (KFU BP 544/1). A. Maxilla. B. P1. C. P5; setae of endopodal lobe are labeled with Roman numerals, seta V indicated by arrowhead.
Fig. 4 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 4. Canthocamptus waldemarschneideri sp. nov., holotype, ♀ (KFU BP 544/1). A. Antennule. B. Antenna. C. MaXillule, without arthrite. D. MaXillule, arthrite.
Fig. 3 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 3. Canthocamptus waldemarschneideri sp. nov., holotype, ♀ (KFU BP 544/1). A. Abdomen, dorsal view; setae of caudal ramus are labeled with Roman numerals. B. Abdomen, ventral view.
Fig. 1 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 1. Canthocamptus waldemarschneideri sp. nov. A. Paratype, ♀ (KFU BP 544/4); habitus, lateral view. B–D. Holotype, ♀ (KFU BP 544/1). B. Caudal setae IV and V. C. Labrum. D. Mandible.
Fig. 2 in Revision of the genus Canthocamptus (Copepoda: Harpacticoida) with a description of a new species from the Lena River Delta (North-eastern Siberia)
Fig. 2. Canthocamptus waldemarschneideri sp. nov., holotype, ♀ (KFU BP 544/1). A. Cephalothorax and thoracic somites, dorsal view. B. CephalothoraX and thoracic somites, lateral view. C. Maxilliped.
Fig. 2 in Surviving at the edge of land: finding of the limnetic snail Sibirenauta sibirica (Gastropoda: Physidae) on the coast of the Laptev Sea (Eastern Siberia)
Fig. 2. Shell and anatomy of Sibirenauta sibirica, Tyulahk-Kuel Lake. A – shell, B – body extracted from the shell, C – copulatory apparatus, D, E – female reproductive system. A–D – organs of the same specimen. ag – albumen gland, bc – bursa copulatrix, с – caecum, o – oviduct, v – vagina. Scale bars: 5 mm (A–B), 2 mm (C–E).
Fig. 1 in Surviving at the edge of land: finding of the limnetic snail Sibirenauta sibirica (Gastropoda: Physidae) on the coast of the Laptev Sea (Eastern Siberia)
Fig. 1. Collecting sites of Sibirenauta sibiraca. A – Tyulahk-Kuel Lake, B – small pool on the coast of Tiksi Bay. Photographs by A. Nekhaeva.
Fig. 2 in The impact of meteorological parameters on the biological productivity of mycorrhizal mushrooms in Eastern Siberia
Fig. 2. The variation of total amount of month precipitations *** in August and biological productivity**** of mushrooms in different years. *** variation of total amount of month precipitations, **** biological productivity
Fig. 1 in The impact of meteorological parameters on the biological productivity of mycorrhizal mushrooms in Eastern Siberia
Fig. 1. The variation of average month temperature * of soil at a depth of 40 cm below the natural cover in August and biological productivity** of mushrooms in different years. * variation of average month temperature, ** biological productivity, *** 1 centner = 100 kilograms (a centner is a metric unit of mass equal to one hundred kilograms).
Figs. 1-8 in A new species of the genus Coryphium Stephens, 1834 (Coleoptera: Staphylinidae: Omaliinae: Coryphiini) from Eastern Siberia
Figs. 1-8. Coryphium enushchenkoi Shavrin, sp.n. (holotype, male). 1 – shape of body; 2 – antenna; 3 – labrum; 4 – maxilla; 5 – mentum and labial palpi; 6 – aedeagus; 7 – sternite VIII, 8 – tergite VIII. Scale bar: 1.0 mm (Fig. 1), 0.5 mm (Fig. 2), 0.1 mm (Figs. 3-6), 0.3 mm (Figs. 7-8).
Data for: Sedimentary ancient DNA and pollen reveal the composition of plant organic matter in Late Quaternary permafrost sediments of the Buor Khaya Peninsula (north-eastern Siberia)
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Figure 5 in First records of Ceutorhynchus turbatus Schultze, 1903 (Coleoptera: Curculionidae) from Novosibirsk Oblast (Western Siberia, Russia) and Eastern Kazakhstan
Figure 5. Distribution of Ceutorhynchus parvulus in Ural, Kazakhstan and Siberia.
Figure 4 in First records of Ceutorhynchus turbatus Schultze, 1903 (Coleoptera: Curculionidae) from Novosibirsk Oblast (Western Siberia, Russia) and Eastern Kazakhstan
Figure 4. Ceutorhynchus parvulus on Lepidium crassifolium (photo by S.V. Reshetnikov).
Figure 3 in First records of Ceutorhynchus turbatus Schultze, 1903 (Coleoptera: Curculionidae) from Novosibirsk Oblast (Western Siberia, Russia) and Eastern Kazakhstan
Figure 3. Ceutorhynchus parvulus on Lepidium crassifolium (photo by S.V. Reshetnikov).
Figure 1 in First records of Ceutorhynchus turbatus Schultze, 1903 (Coleoptera: Curculionidae) from Novosibirsk Oblast (Western Siberia, Russia) and Eastern Kazakhstan
Figure 1. Ceutorhynchus parvulus, female, habitus, dorsal view.
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