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Walker, Donald A; Epstein, Howard E; Leibman, Marina O; Moskalenko, Nataliya G; Orekhov, Pavel; Kuss, Patrick; Matyshak, George V; Kaarlejärvi, Elina; Forbes, Bruce C; Barbour, E M; Gobroski, K (2009): Vegetation, soil and site characteristics of samples taken along the Yamal Transet in 2007-2008 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.842707, Supplement to: Walker, DA et al. (2009): Data Report of the 2007 and 2008 Yamal Expeditions. Alaska Geobotany Center, Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, 121 pp

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Abstract:
The overarching goal of the Yamal portion of the Greening of the Arctic project is to examine how the terrain and anthropogenic factors of reindeer herding and resource development combined with the climate variations on the Yamal Peninsula affect the spatial and temporal patterns of vegetation change and how these changes are in turn affecting traditional herding of the indigenous people of the region. The purpose of the expeditions was to collect groundobservations in support of remote sensing studies at four locations along a transect that traverses all the major bioclimate subzones of the Yamal Peninsula. This data report is a summary of information collected during the 2007 and 2008 expeditions. It includes all the information from the 2008 data report (Walker et al. 2008) plus new information collected at Kharasavey in Aug 2008. The locations included in this report are Nadym (northern taiga subzone), Laborovaya (southern tundra = subzone E of the Circumpolar Arctic Vegetation Map (CAVM), Vaskiny Dachi (southern typical tundra = subzone D), and Kharasavey (northern typical tundra = subzone C). Another expedition is planned for summer 2009 to the northernmost site at Belyy Ostrov (Arctic tundra = subzone B).
Data are reported from 10 study sites - 2 at Nadym, 2 at Laborovaya, and 3 at Vaskiny Dachi and 3 at Kharasavey. The sites are representative of the zonal soils and vegetation, but also include variation related to substrate (clayey vs. sandy soils). Most of the information was collected along 5 transects at each sample site, 5 permanent vegetation study plots, and 1-2 soil pits at each site. The expedition also established soil and permafrost monitoring sites at each location. This data report includes: (1) background for the project, (2) general descriptions and photographs of each locality and sample site, (3) maps of the sites, study plots, and transects at each location, (4) summary of sampling methods used, (5) tabular summaries of the vegetation data (species lists, estimates of cover abundance for each species within vegetation plots, measured percent ground cover of species along transects, site factors for each study plot), (6) summaries of the Normalized Difference Vegetation Index (NDVI) and leaf area index (LAI) along each transect, (7) soil descriptions and photos of the soil pits at each study site, (8) summaries of thaw measurements along each transect, and (9) contact information for each of the participants. One of the primary objectives was to provide the Russian partners with full documentation of the methods so that Russian observers in future years could repeat the observations independently.
Related to:
Walker, Donald A; Epstein, Howard E; Kaarlejärvi, Elina; Kuss, Patrick; Leibman, Marina O; Moskalenko, Nataliya G; Matyshak, George V (2008): 2007 Expedition to Nadym, Laborovaya and Vaskiny Dachi, Yamal Peninsula region, Russia: Overview of the expedition and results of the species cover and biomass studies. In: Yamal Land-Cover Land-Use Change Workshop Abstracts, Moscow, Russia, 28-30 Jan 2008, 28-30, http://www.geobotany.org/library/talks/Anon2008_yamal_tal080128.pdf
Further details:
NASA LCLUC Yamal Synthesis: Land-cover and Land-use Changes on the Yamal Peninsula, Russia
Project(s):
International Polar Year (2007-2008) (IPY)
Coverage:
Median Latitude: 68.514184 * Median Longitude: 69.576147 * South-bound Latitude: 65.313230 * West-bound Longitude: 66.888950 * North-bound Latitude: 71.194450 * East-bound Longitude: 72.888570
Date/Time Start: 2007-08-06T00:00:00 * Date/Time End: 2008-08-23T00:00:00
Comment:
This research was one component of the Greening of the Arctic (GOA) project of the International Polar Year (IPY) and is funded by NASA's Land-Cover Land-Use Change (LCLUC) program (Grant No. NNG6GE00A). Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
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Datasets listed in this publication series

  1. Walker, DA; Epstein, HE; Leibman, MO et al. (2009): (Table 20) Thaw depth of active layer at transects and relevés sampled along the Yamal Transect, 2007-2008. https://doi.org/10.1594/PANGAEA.842711
  2. Walker, DA; Epstein, HE; Leibman, MO et al. (2009): (Table 27) Summary of trees and seedling characteristics from each relevé at Nadym-1, Yamal Transect, 2007. https://doi.org/10.1594/PANGAEA.842706
  3. Walker, DA; Epstein, HE; Leibman, MO et al. (2009): (Table 16) Plant species cover along transects at Kharasavey-2a site of the Yamal Transect, 2007/2008. https://doi.org/10.1594/PANGAEA.842649
  4. Walker, DA; Epstein, HE; Leibman, MO et al. (2009): (Table 17) Plant species cover along transects at Kharasavey-2b site of the Yamal Transect, 2007/2008. https://doi.org/10.1594/PANGAEA.842650
  5. Walker, DA; Epstein, HE; Leibman, MO et al. (2009): (Table 22) Vegetation, soil and site characteristics of all relevés sampled along the Yamal Transect, 2007-2008. https://doi.org/10.1594/PANGAEA.842691
  6. Walker, DA; Epstein, HE; Leibman, MO et al. (2009): (Table 23) Soil parameters of all relevés sampled along the Yamal Transect, 2007-2008. https://doi.org/10.1594/PANGAEA.842703
  7. Walker, DA; Epstein, HE; Leibman, MO et al. (2009): (Table 24) Vegetation cover in all relevés sampled along the Yamal Transect, 2007-2008. https://doi.org/10.1594/PANGAEA.842705
  8. Walker, DA; Epstein, HE; Leibman, MO et al. (2009): (Table 18) Tree diameter, basal area, height and biomass along transects at Nadym-1 site of the Yamal Transect, 2007. https://doi.org/10.1594/PANGAEA.842651