New data on vegetation of two localities in the southern part of the typical tundra subzone in the Gydan Peninsula

Telyatnikov, Michail Yu.; Khitun, Olga V.; Czernyadjeva, I. V.; Kuzmina, E. Yu.; Ermokhina, Ksenia

doi:10.14258/turczaninowia.24.3.1

Cited by 3 publications

(7 citation statements)

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“…This tendency was also noted in earlier maps (Figure 2). Field observations (Khitun, 2003;Telyatnikov et al, 2019b) confirm that typical northern Low Arctic communities occur much further north than would be expected according to accepted delimitation schemes (Alexandrova, 1980;CAVM Team, 2003;Yurtsev, 1994). We propose the utilization of three biotic criteria related to species distribution and structural characteristics of vegetation for the division of the High and Low Arctic.…”

Section: Re Sultssupporting

confidence: 59%

Section: Biogeographymentioning

confidence: 99%

“…However, the small number of sites studied did not allow the determination of a final conclusion. We carried out field geobotanical research (mainly in 2017), then standardized and analyzed field material to characterize the present‐day vegetation cover of the West Siberian Arctic (Telyatnikov et al, 2019a , 2019b , 2021a , 2021b ; AVA, https://avarus.space ) and to clarify the location of the High–Low Arctic boundary. Our approach to define the position of the High–Low Arctic boundary is based on the established properties of Arctic subzonal communities and utilizes traditional criteria along with modern remote sensing, climatic, and field data.…”

Section: Introductionmentioning

confidence: 99%

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The High–Low Arctic boundary: How is it determined and where is it located?

Ermokhina,

Terskaia,

Ivleva

et al. 2023

Ecology and Evolution

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Geobotanical subdivision of landcover is a baseline for many studies. The High–Low Arctic boundary is considered to be of fundamental natural importance. The wide application of different delimitation schemes in various ecological studies and climatic scenarios raises the following questions: (i) What are the common criteria to define the High and Low Arctic? (ii) Could human impact significantly change the distribution of the delimitation criteria? (iii) Is the widely accepted temperature criterion still relevant given ongoing climate change? and (iv) Could we locate the High–Low Arctic boundary by mapping these criteria derived from modern open remote sensing and climatic data? Researchers rely on common criteria for geobotanical delimitation of the Arctic. Unified circumpolar criteria are based on the structure of vegetation cover and climate, while regional specifics are reflected in the floral composition. However, the published delimitation schemes vary greatly. The disagreement in the location of geobotanical boundaries across the studies manifests in poorly comparable results. While maintaining the common principles of geobotanical subdivision, we derived the boundary between the High and Low Arctic using the most up‐to‐date field data and modern techniques: species distribution modeling, radar, thermal and optical satellite imagery processing, and climatic data analysis. The position of the High–Low Arctic boundary in Western Siberia was clarified and mapped. The new boundary is located 50–100 km further north compared to all the previously presented ones. Long‐term anthropogenic press contributes to a change in the vegetation structure but does not noticeably affect key species ranges. A previously specified climatic criterion for the High–Low Arctic boundary accepted in scientific literature has not coincided with the boundary in Western Siberia for over 70 years. The High–Low Arctic boundary is distinctly reflected in biodiversity distribution. The presented approach is appropriate for accurate mapping of the High–Low Arctic boundary in the circumpolar extent.

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Section: Re Sultssupporting

confidence: 59%

Section: Biogeographymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The High–Low Arctic boundary: How is it determined and where is it located?

Ermokhina,

Terskaia,

Ivleva

et al. 2023

Ecology and Evolution

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“…A significant part of the Western Siberian dataset (1003 plots) was compiled by team members during the 2017 expedition to the Yamalo-Nenets Autonomous district (Sofronova et al, 2019;Telyatnikov et al, 2019aTelyatnikov et al, , 2019bTelyatnikov, Khitun, Chernyadyeva, & Kuzmina, 2021;Telyatnikov, Khitun, Chernyadyeva, Kuzmina, & Ermokhina, 2021;Potemkin et al, 2021), while other datasets were independently contributed by researchers or based on previously published data (Dedov, 1940;Kholod, 2007;Koroleva & Kopeina, 2018, Koroleva et al, 2019Lavrinenko et al, 2016;Lavrinenko & Lavrinenko, 2018a, 2018bMatveyeva, 2006;Matveyeva & Lavrinenko, 2011;Pospelova & Pospelov, 2010;Telyatnikov et al, 2015Telyatnikov et al, , 2022Walker et al, 2019).…”

Section: Data Acquisition and Compilationmentioning

confidence: 99%

“…Openaccess data can be freely and directly downloaded from the AVA-RU website as Creative commons 4.0 (https://opend efini tion.org/licen ses/cc-by/), but citation of the data source is required (see above). The AVA-RU data have already been used for a broad range of research including vegetation classification and mapping (Koroleva & Kulyugina, 2015;Lavrinenko & Lavrinenko, 2018a, 2018bLavrinenko, Matveyeva & Lavrinenko, 2016;Matveyeva, 2006;Telyatnikov, Khitun, Chernyadyeva, & Kuzmina, 2021;Telyatnikov, Khitun, Chernyadyeva, Kuzmina, & Ermokhina, 2021;Telyatnikov et al, 2022), species distribution modelling (Ermokhina et al, 2023) and species richness prediction . We also plan the import of the AVA-RU datasets into sPlot (s-Plot, 2023; https://www.idiv.de/en/splot.html).…”

Section: Data Regimesmentioning

confidence: 99%

Russian Arctic Vegetation Archive—A new database of plant community composition and environmental conditions

Zemlianskii,

Ermokhina,

Schaepman‐Strub

et al. 2023

Global Ecol Biogeogr

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MotivationThe goal of the Russian Arctic Vegetation Archive (AVA‐RU) is to unite and harmonize data of plot‐based plant species and their abundance, vegetation structure and environmental variables from the Russian Arctic. This database can be used to assess the status of the Russian Arctic vegetation and as a baseline to document biodiversity changes in the future. The archive can be used for scientific studies as well as to inform nature protection and restoration efforts.Main types of variables containedThe archive contains 2873 open‐access geobotanical plots. The data include the full species. Most plots include information on the horizontal (cover per species and morphological group) and vertical (average height per morphological group) structure of vegetation, site and soil descriptions and data quality estimations. In addition to the open‐access data, the AVA‐RU website contains 1912 restricted‐access plots.Spatial location and grainThe plots of 1–100 m2 size were sampled in Arctic Russia and Scandinavia. Plots in Russia covered areas from the West to the East, including the European Russian Arctic (Kola Peninsula, Nenets Autonomous district), Western Siberia (Northern Urals, Yamal, Taza and Gydan peninsulas), Central Siberia (Taymyr peninsula, Bolshevik island), Eastern Siberia (Indigirka basin) and the Far East (Wrangel island). About 72% of the samples are georeferenced.Time period and grainThe data were collected once at each location between 1927 and 2022.Major taxa and level of measurementPlots include observations of >1770 vascular plant and cryptogam species and subspecies.Software formatCSV files (1 file with species list and abundance, 1 file with environmental variables and vegetation structure) are stored at the AVA‐RU website (https://avarus.space/), and are continuously updated with new datasets. The open‐access data are available on Dryad and all the datasets have a backup on the server of the University of Zurich. The data processing R script is available on Dryad.

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New associations and higher syntaxa of willow scrubs in the East European sector of the Arctic

Лавріненко¹,

Kochergina

2022

Vegetation of Russia

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Relevés of communities (94 in total) with shrub willows — Salix glauca, S. lanata, S. phylicifolia, and tree-like willows — S. viminalis, S. dasyclados were made in the Bolshezemelskaya tundra (11 sites, Fig. 1). Six new associations and one community type are described in 2 alliances — Polemonio acutiflorum–Salicion glaucae Lavrinenko et Lavrinenko 2021 and Galio borealis–Salicion viminalis all. nov. (Tables 1–4). The alliance Polemonio acutiflorum–Salicion glaucae unites herb and herb-moss willow scrubs (predominantly with Salix glauca, S. lanata) in lakeside depressions, runoff troughs, the slopes of hills on watersheds, slopes of bedrock terraces, above-floodplain terraces and occasionally flooded floodplains in river valleys. The range of this alliance is the plain tundra in the East European and Siberian sectors of the Arctic. Associations Polemonio acutiflorum–Salicetum lanatae Zanokha ex Lavrinenko et Lavrinenko 2021, Triseto sibirici–Salicetum glaucae Lavrinenko et Lavrinenko 2021 and Climacio dendroidis–Salicetum lanatae Lavrinenko et Lavrinenko 2021 were earlier described on Taymyr Peninsula, Kolguev and Vaygach Islands (Lavrinenko, Lavrinenko, 2021). New associations Chamaepericlymeno suecici–Salicetum glaucae, Geo rivalis–Salicetum glaucae, Hylocomio splendentis–Salicetum glaucae are described in the Bolshezemelskaya tundra (Table 1). Some communities of the associations Dicrano majoris–Salicetum lanatae Khitun in Telyatnikov et al. 2021 and Calliergono cordifolii–Salicetum lanatae Khitun in Telyatnikov et al. 2021, described on the Tazovskiy and Gydanskiy Peninsulas (Telyatnikov et al., 2021a and b) can be attributed to this alliance. However, the decisions for both these associations need to be revision (see Table 5). The characteristic species of the alliance Polemonio acutiflorum–Salicion glaucae were confirmed and clarifed. The phi-coefficient values for them are in the range 84.7–42.3 (Table 6). A new order of the same name is proposed for the willow scrubs of this alliance. Order Polemonio acutiflorum–Salicetalia glaucae ord. nov. Herb and herb-moss willow scrubs with Salix glauca and S. lanata in the plain tundra in the East European and Siberian sectors of the Arctic. Nomenclature type (holotypus): alliance Polemonio acutiflorum–Salicion glaucae Lavrinenko et Lavrinenko 2021 (Lavrinenko, Lavrinenko, 2021: 99). Differentiating species combination: Salix glauca, S. lanata; Bistorta vivipara, Petasites frigidus, Poa arctica, Polemonium acutiflorum, Ranunculus propinquus, Rubus chamaemorus, Valeriana capitata; Hylocomium splendens. Constant taxa: Achillea millefolium, Cardamine pratensis subsp. angustifolia, Chrysosplenium alternifolium subsp. sibiricum, Equisetum arvense s. l., Poa pratensis s. l., Rubus arcticus, Veratrum lobelianum, Viola biflora; Bryum pseudotriquetrum, Rhizomnium pseudopunctatum, Sanionia uncinata. Habitats. Intrazonal biotopes on watersheds (lakeside depressions, runoff troughs, hillsides), slopes of high river terraces, above-floodplain terraces and rarely flooded parts of floodplains in river and stream valleys. Willow scrubs from tree-like (Salix dasyclados, S. viminalis) and shrub (Salix lanata, S. phylicifolia) species, occupying the near-channel part of the floodplains of large and small rivers, channels and oxbows and experiencing regular flooding, are described in the southern tundra, northern forest-tundra and in the Pechora River delta. For such willow scrubs we have described a new alliance Galio borealis–Salicion viminalis in order Salicetalia purpureae Moor 1958 and class Salicetea purpureae Moor 1958. Alliance Galio borealis–Salicion viminalis all. nov. Tall grass-herb willow scrubs (Salix dasyclados, S. lanata, S. phylicifolia, S. viminalis) in riparian habitats in the southern tundra, forest-tundra and northern taiga in the European North of Russia. Nomenclature type (holotypus): ass. Senecioni nemorensis–Saliсetum viminalis ass. nov. (Table 2, rel. 19–25; Table 4, syntaxon 19). Characteristic species: Salix viminalis and Veronica longifolia (the same species of class Salicetea purpureae and order Salicetalia purpureae), Aconitum septentrionale, Adoxa moschatellina, Calamagrostis purpurea s. l., Filipendula ulmaria, Galium boreale, Lamium album, Myosotis palustris, Ranunculus repens and Vicia cracca (phi-coefficient varies from 77.7 to 47.6) (Table 6). Apparently, Salix dasyclados, with which one syntaxon has been described, can also be attributed to these. Constant species: Equisetum arvense s. l. (often dominant or codominant), Poa pratensis s. l., Veratrum lobelianum, Viola biflora. Habitats. Near the riverbed and central parts of the floodplain of large and small rivers, alluvial soils under conditions of regular flooding. Those willow scrubs are classified as 3 new associations and one community type: Vicio sepium–Salicetum lanatae, Senecioni nemorensis–Saliсetum viminalis, Bromopsio inermis–Salicetum viminalis, Calamagrostis purpurea–Salix dasyclados (Table 2). Floristically close communities are described in the floodplain of the Pechora River in the northern taiga (Shushpannikova, 1996), so we expanded the Galio borealis–Salicion viminalis range to this subzone. Further south the alliance Salicion triandrae T. Müller et Görs 1958 from the same order and class is widespread. Communities of Salicion triandrae occupy riparian habitats in the middle and southern taiga subzones (Taran, 1999; Vasilevich, 2009) and in the nemoral zone of Europe (Neuhäuslová et al., 2013; Mucina et al., 2016). The results of DCA-ordination confirm the correctness of the alliances Polemonio acutiflorum–Salicion glaucae and Galio borealis–Salicion viminalis establishment (Fig. 14). Ass. Carici stantis–Salicetum phylicifoliae ass. nov. (Table 3) unites willow scrubs (Salix glauca, S. lanata и S. phylicifolia) swamp-herb (Comarum palustre, Epilobium palustre, Equisetum fluviatile, Eriophorum angustifolium, Menyanthes trifoliata)–sedge (Carex aquatilis subsp. stans). If focusing on the composition of the lower layers, the place of association will undoubtedly be in the class Scheuchzerio palustris–Caricetea nigrae Tx. 1937, since most of the listed species are characteristic for it or for the order Caricetalia nigrae Koch 1926. However, the presence of rather tall and highly closed shrub layer, which determines the structure and physiognomy of communities, calls into question their attribution to mire. For the time being, we leave such communities outside the higher units. Differences in the floristic composition of the syntaxa in the East European tundras, in the mountainous Fennoscandia (Salicion phylicifoliae Dierssen 1992) and Chukotka (Aulacomnio turgidi–Salicion glaucae Sinelnikova 2001 (2009) and Saussureo oxyodontae–Salicion Sekretareva 2001 all. prov.) are significant (Table 4), which is clearly demonstrated be the results of cluster analysis (Fig. 15). Syntaxa of another northern alliance — Geranio albiflorum–Salicion Sekretareva 2011, described in Polar Ural, are joined in one cluster with the willow scrubs of the alliance Galio borealis–Salicion viminalis (Fig. 15). We have not assigned to any class the new order Polemonio acutiflorum–Salicetalia glaucae ord. nov., as opposed to Salicetalia glauco-lanatae Bœuf et al. ex Mucina et Daniёls in Mucina et al. 2016 (subarctic and boreal herbrich willow scrubs and birch krummholz of the Holarctic), placed in the class Betulo carpaticae–Alnetea viridis Rejmánek ex Bœuf, Theurillat, Willner, Mucina et Simler in Bœuf et al. 2014 (subalpine and subarctic herb-rich alder and willow scrubs and krummholz of the Alps, the Carpathians, the Balkans, the Caucasus, Northern Europe and Greenland). We believe that for the willow scrubs of the tundra zone a revision of all the accumulated data and description of a new class are required.

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New data on vegetation of two localities in the southern part of the typical tundra subzone in the Gydan Peninsula

Cited by 3 publications

References 5 publications

The High–Low Arctic boundary: How is it determined and where is it located?

The High–Low Arctic boundary: How is it determined and where is it located?

Russian Arctic Vegetation Archive—A new database of plant community composition and environmental conditions

New associations and higher syntaxa of willow scrubs in the East European sector of the Arctic

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