Recent above-ground biomass changes in central Chukotka (Russian Far East) using field sampling and Landsat satellite data
Upscaling plant biomass distribution and dynamics is essential for estimating carbon stocks and carbon balance. In this respect, the Russian Far East is among the least investigated subarctic regions despite its known vegetation sensitivity to ongoing warming. We representatively harvested above-gro...
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ftcopernicus:oai:publications.copernicus.org:bgd90993 2023-05-15T15:54:47+02:00 Recent above-ground biomass changes in central Chukotka (Russian Far East) using field sampling and Landsat satellite data Shevtsova, Iuliia Herzschuh, Ulrike Heim, Birgit Schulte, Luise Stünzi, Simone Pestryakova, Luidmila A. Zakharov, Evgeniy S. Kruse, Stefan 2020-11-20 application/pdf https://doi.org/10.5194/bg-2020-416 https://bg.copernicus.org/preprints/bg-2020-416/ eng eng doi:10.5194/bg-2020-416 https://bg.copernicus.org/preprints/bg-2020-416/ eISSN: 1726-4189 Text 2020 ftcopernicus https://doi.org/10.5194/bg-2020-416 2020-11-23T17:22:14Z Upscaling plant biomass distribution and dynamics is essential for estimating carbon stocks and carbon balance. In this respect, the Russian Far East is among the least investigated subarctic regions despite its known vegetation sensitivity to ongoing warming. We representatively harvested above-ground biomass (AGB, separated by dominant taxa) at 40 sampling plots in central Chukotka. We used ordination to relate field-based taxa projective cover and Landsat-derived vegetation indices. A general additive model was used to link the ordination scores to AGB. We then mapped AGB for paired Landsat-derived time-slices (i.e. 2000/2001/2002 and 2016/2017), in four study regions covering a wide vegetation gradient from closed-canopy larch forests to barren alpine tundra. We provide AGB estimates and changes in AGB that were previously lacking for central Chukotka at a high spatial resolution and a detailed description of taxonomical contributions. Generally, AGB in the study region ranges from 0 to 16 kg m −2 , with Cajander larch providing the highest contribution. Comparison of changes in AGB within the investigated period shows that the greatest changes (up to 1.25 kg m −2 yr −1 ) occurred in the northern taiga and in areas where land cover changed to larch closed-canopy forest. As well as the notable changes, increases in AGB also occur within the land cover classes. Our estimations indicate a general increase in total AGB throughout the investigated tundra-taiga and northern taiga, whereas the tundra showed no evidence of change in AGB. Text Chukotka Subarctic taiga Tundra Copernicus Publications: E-Journals |
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Open Polar |
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Copernicus Publications: E-Journals |
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ftcopernicus |
language |
English |
description |
Upscaling plant biomass distribution and dynamics is essential for estimating carbon stocks and carbon balance. In this respect, the Russian Far East is among the least investigated subarctic regions despite its known vegetation sensitivity to ongoing warming. We representatively harvested above-ground biomass (AGB, separated by dominant taxa) at 40 sampling plots in central Chukotka. We used ordination to relate field-based taxa projective cover and Landsat-derived vegetation indices. A general additive model was used to link the ordination scores to AGB. We then mapped AGB for paired Landsat-derived time-slices (i.e. 2000/2001/2002 and 2016/2017), in four study regions covering a wide vegetation gradient from closed-canopy larch forests to barren alpine tundra. We provide AGB estimates and changes in AGB that were previously lacking for central Chukotka at a high spatial resolution and a detailed description of taxonomical contributions. Generally, AGB in the study region ranges from 0 to 16 kg m −2 , with Cajander larch providing the highest contribution. Comparison of changes in AGB within the investigated period shows that the greatest changes (up to 1.25 kg m −2 yr −1 ) occurred in the northern taiga and in areas where land cover changed to larch closed-canopy forest. As well as the notable changes, increases in AGB also occur within the land cover classes. Our estimations indicate a general increase in total AGB throughout the investigated tundra-taiga and northern taiga, whereas the tundra showed no evidence of change in AGB. |
format |
Text |
author |
Shevtsova, Iuliia Herzschuh, Ulrike Heim, Birgit Schulte, Luise Stünzi, Simone Pestryakova, Luidmila A. Zakharov, Evgeniy S. Kruse, Stefan |
spellingShingle |
Shevtsova, Iuliia Herzschuh, Ulrike Heim, Birgit Schulte, Luise Stünzi, Simone Pestryakova, Luidmila A. Zakharov, Evgeniy S. Kruse, Stefan Recent above-ground biomass changes in central Chukotka (Russian Far East) using field sampling and Landsat satellite data |
author_facet |
Shevtsova, Iuliia Herzschuh, Ulrike Heim, Birgit Schulte, Luise Stünzi, Simone Pestryakova, Luidmila A. Zakharov, Evgeniy S. Kruse, Stefan |
author_sort |
Shevtsova, Iuliia |
title |
Recent above-ground biomass changes in central Chukotka (Russian Far East) using field sampling and Landsat satellite data |
title_short |
Recent above-ground biomass changes in central Chukotka (Russian Far East) using field sampling and Landsat satellite data |
title_full |
Recent above-ground biomass changes in central Chukotka (Russian Far East) using field sampling and Landsat satellite data |
title_fullStr |
Recent above-ground biomass changes in central Chukotka (Russian Far East) using field sampling and Landsat satellite data |
title_full_unstemmed |
Recent above-ground biomass changes in central Chukotka (Russian Far East) using field sampling and Landsat satellite data |
title_sort |
recent above-ground biomass changes in central chukotka (russian far east) using field sampling and landsat satellite data |
publishDate |
2020 |
url |
https://doi.org/10.5194/bg-2020-416 https://bg.copernicus.org/preprints/bg-2020-416/ |
genre |
Chukotka Subarctic taiga Tundra |
genre_facet |
Chukotka Subarctic taiga Tundra |
op_source |
eISSN: 1726-4189 |
op_relation |
doi:10.5194/bg-2020-416 https://bg.copernicus.org/preprints/bg-2020-416/ |
op_doi |
https://doi.org/10.5194/bg-2020-416 |
_version_ |
1766390017357250560 |