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Search: WFRF:(Danby Ryan K.)

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1.
  • Berner, Logan T., et al. (author)
  • The Arctic plant aboveground biomass synthesis dataset
  • 2024
  • In: Scientific Data. - : Springer Nature. - 2052-4463. ; 11:1
  • Journal article (peer-reviewed)abstract
    • Plant biomass is a fundamental ecosystem attribute that is sensitive to rapid climatic changes occurring in the Arctic. Nevertheless, measuring plant biomass in the Arctic is logistically challenging and resource intensive. Lack of accessible field data hinders efforts to understand the amount, composition, distribution, and changes in plant biomass in these northern ecosystems. Here, we present The Arctic plant aboveground biomass synthesis dataset, which includes field measurements of lichen, bryophyte, herb, shrub, and/or tree aboveground biomass (g m−2) on 2,327 sample plots from 636 field sites in seven countries. We created the synthesis dataset by assembling and harmonizing 32 individual datasets. Aboveground biomass was primarily quantified by harvesting sample plots during mid- to late-summer, though tree and often tall shrub biomass were quantified using surveys and allometric models. Each biomass measurement is associated with metadata including sample date, location, method, data source, and other information. This unique dataset can be leveraged to monitor, map, and model plant biomass across the rapidly warming Arctic.
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2.
  • Callaghan, Terry, et al. (author)
  • Multi-Decadal Changes in Tundra Environments and Ecosystems : Synthesis of the International Polar Year-Back to the Future Project (IPY-BTF)
  • 2011
  • In: Ambio. - : Springer Science and Business Media LLC. - 0044-7447 .- 1654-7209. ; 40:6, s. 705-716
  • Journal article (peer-reviewed)abstract
    • Understanding the responses of tundra systemsto global change has global implications. Most tundraregions lack sustained environmental monitoring and oneof the only ways to document multi-decadal change is toresample historic research sites. The International PolarYear (IPY) provided a unique opportunity for such researchthrough the Back to the Future (BTF) project (IPY project#512). This article synthesizes the results from 13 paperswithin this Ambio Special Issue. Abiotic changes includeglacial recession in the Altai Mountains, Russia; increasedsnow depth and hardness, permafrost warming, andincreased growing season length in sub-arctic Sweden;drying of ponds in Greenland; increased nutrient availabilityin Alaskan tundra ponds, and warming at mostlocations studied. Biotic changes ranged from relativelyminor plant community change at two sites in Greenland tomoderate change in the Yukon, and to dramatic increasesin shrub and tree density on Herschel Island, and in subarcticSweden. The population of geese tripled at one sitein northeast Greenland where biomass in non-grazed plotsdoubled. A model parameterized using results from a BTFstudy forecasts substantial declines in all snowbeds andincreases in shrub tundra on Niwot Ridge, Colorado overthe next century. In general, results support and provideimproved capacities for validating experimental manipulation,remote sensing, and modeling studies.
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  • Result 1-2 of 2
Type of publication
journal article (2)
Type of content
peer-reviewed (2)
Author/Editor
Tamstorf, Mikkel (2)
Danby, Ryan K. (2)
Olsson, Håkan (1)
Luoto, Miska (1)
Bret-Harte, M. Syndo ... (1)
Mack, Michelle C. (1)
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Natali, Susan M. (1)
Alexander, Heather D ... (1)
Forbes, Bruce C. (1)
Goetz, Scott J. (1)
Grogan, Paul (1)
Johnstone, Jill F. (1)
Keuper, Frida (1)
Virtanen, Tarmo (1)
Loranty, Michael M. (1)
Salmon, Verity G. (1)
Kumar, Jitendra (1)
Hedenås, Henrik (1)
Johansson, Margareta (1)
Emanuelsson, Urban (1)
Ylänne, Henni (1)
Åkerman, Jonas (1)
Michelsen, Anders (1)
Eriksson, Håkan (1)
Lin, David (1)
Olofsson, Johan (1)
Christensen, Torben (1)
Hik, David S. (1)
Kumpula, Timo (1)
Lévesque, Esther (1)
Pohjola, Veijo A, 19 ... (1)
Bergstedt, Johan (1)
Berner, Logan T. (1)
Orndahl, Kathleen M. (1)
Rose, Melissa (1)
Arndal, Marie F. (1)
Humphreys, Elyn R. (1)
Ludwig, Sarah M. (1)
Nyman, Johanna (1)
Juutinen, Sari (1)
Aurela, Mika (1)
Happonen, Konsta (1)
Mikola, Juha (1)
Vankoughnett, Mathew ... (1)
Iversen, Colleen M. (1)
Yang, Dedi (1)
Scott, Neal A. (1)
Siewert, Matthias B. ... (1)
Deschamps, Lucas (1)
Maire, Vincent (1)
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University
Kristianstad University College (1)
Umeå University (1)
Uppsala University (1)
Stockholm University (1)
Linköping University (1)
Lund University (1)
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Swedish University of Agricultural Sciences (1)
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Language
English (2)
Research subject (UKÄ/SCB)
Natural sciences (2)
Agricultural Sciences (2)

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