Natural variation in snow depth and snow melt timing in the High Arctic have implications for soil and plant nutrient status and vegetation composition1
Snow cover is a key component in Arctic ecosystems and will likely be affected by changes in winter precipitation. Increased snow depth and consequent later snowmelt leads to greater microbial mineralization in winter, improving soil and vegetation nutrient status. We studied areas with naturally di...
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Canadian Science Publishing
2022
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Online Access: | https://doi.org/10.1139/as-2020-0025 https://doaj.org/article/a87581a8fe134f21a247923853782b80 |
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fttriple:oai:gotriple.eu:oai:doaj.org/article:a87581a8fe134f21a247923853782b80 2023-05-15T13:05:43+02:00 Natural variation in snow depth and snow melt timing in the High Arctic have implications for soil and plant nutrient status and vegetation composition1 Mikel Moriana-Armendariz Lennart Nilsen Elisabeth J. Cooper 2022-09-01 https://doi.org/10.1139/as-2020-0025 https://doaj.org/article/a87581a8fe134f21a247923853782b80 en fr eng fre Canadian Science Publishing doi:10.1139/as-2020-0025 2368-7460 https://doaj.org/article/a87581a8fe134f21a247923853782b80 undefined Arctic Science, Vol 8, Iss 3, Pp 767-785 (2022) soil properties plant nutrients community composition NDVI Svalbard propriétés du sol envir geo Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2022 fttriple https://doi.org/10.1139/as-2020-0025 2023-01-22T18:58:29Z Snow cover is a key component in Arctic ecosystems and will likely be affected by changes in winter precipitation. Increased snow depth and consequent later snowmelt leads to greater microbial mineralization in winter, improving soil and vegetation nutrient status. We studied areas with naturally differing snow depths and date of snowmelt in Adventdalen, Svalbard. Soil properties, plant leaf nutrient status, and species composition along with the normalized difference vegetation index (NDVI) were compared for three snowmelt regimes (Early, Mid, and Late). We showed that (1) Late regimes (snow beds) had wetter soils, higher pH, and leaves of Bistorta vivipara (L.) Delarbre and Salix polaris Wahlenb. had higher concentration of nutrients (nitrogen and δ15N). Little to no difference was found in soil nutrient concentrations between snowmelt regimes. (2) Late regimes had highest NDVI values, whereas those of Early and Mid regimes were similar. (3) Vegetation composition differed between Early and Late regimes, with Dryas octopetala L. and Luzula arcuata subsp. confusa (Lange) characterizing the former and Equisetum arvense L. and Eriophorum scheuchzeri Hoppe the latter. (4) Trends for plant nutrient contents were similar to those found in a nearby snow manipulation experiment. Snow distribution and time of snowmelt played an important role in determining regional environmental heterogeneity, patchiness in plant community distribution, their species composition, and plant phenology. Article in Journal/Newspaper Adventdalen Arctic Arctic Dryas octopetala Eriophorum Eriophorum scheuchzeri Salix polaris Svalbard Unknown Adventdalen ENVELOPE(16.264,16.264,78.181,78.181) Arctic Svalbard Arctic Science 8 3 767 785 |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
fttriple |
language |
English French |
topic |
soil properties plant nutrients community composition NDVI Svalbard propriétés du sol envir geo |
spellingShingle |
soil properties plant nutrients community composition NDVI Svalbard propriétés du sol envir geo Mikel Moriana-Armendariz Lennart Nilsen Elisabeth J. Cooper Natural variation in snow depth and snow melt timing in the High Arctic have implications for soil and plant nutrient status and vegetation composition1 |
topic_facet |
soil properties plant nutrients community composition NDVI Svalbard propriétés du sol envir geo |
description |
Snow cover is a key component in Arctic ecosystems and will likely be affected by changes in winter precipitation. Increased snow depth and consequent later snowmelt leads to greater microbial mineralization in winter, improving soil and vegetation nutrient status. We studied areas with naturally differing snow depths and date of snowmelt in Adventdalen, Svalbard. Soil properties, plant leaf nutrient status, and species composition along with the normalized difference vegetation index (NDVI) were compared for three snowmelt regimes (Early, Mid, and Late). We showed that (1) Late regimes (snow beds) had wetter soils, higher pH, and leaves of Bistorta vivipara (L.) Delarbre and Salix polaris Wahlenb. had higher concentration of nutrients (nitrogen and δ15N). Little to no difference was found in soil nutrient concentrations between snowmelt regimes. (2) Late regimes had highest NDVI values, whereas those of Early and Mid regimes were similar. (3) Vegetation composition differed between Early and Late regimes, with Dryas octopetala L. and Luzula arcuata subsp. confusa (Lange) characterizing the former and Equisetum arvense L. and Eriophorum scheuchzeri Hoppe the latter. (4) Trends for plant nutrient contents were similar to those found in a nearby snow manipulation experiment. Snow distribution and time of snowmelt played an important role in determining regional environmental heterogeneity, patchiness in plant community distribution, their species composition, and plant phenology. |
format |
Article in Journal/Newspaper |
author |
Mikel Moriana-Armendariz Lennart Nilsen Elisabeth J. Cooper |
author_facet |
Mikel Moriana-Armendariz Lennart Nilsen Elisabeth J. Cooper |
author_sort |
Mikel Moriana-Armendariz |
title |
Natural variation in snow depth and snow melt timing in the High Arctic have implications for soil and plant nutrient status and vegetation composition1 |
title_short |
Natural variation in snow depth and snow melt timing in the High Arctic have implications for soil and plant nutrient status and vegetation composition1 |
title_full |
Natural variation in snow depth and snow melt timing in the High Arctic have implications for soil and plant nutrient status and vegetation composition1 |
title_fullStr |
Natural variation in snow depth and snow melt timing in the High Arctic have implications for soil and plant nutrient status and vegetation composition1 |
title_full_unstemmed |
Natural variation in snow depth and snow melt timing in the High Arctic have implications for soil and plant nutrient status and vegetation composition1 |
title_sort |
natural variation in snow depth and snow melt timing in the high arctic have implications for soil and plant nutrient status and vegetation composition1 |
publisher |
Canadian Science Publishing |
publishDate |
2022 |
url |
https://doi.org/10.1139/as-2020-0025 https://doaj.org/article/a87581a8fe134f21a247923853782b80 |
long_lat |
ENVELOPE(16.264,16.264,78.181,78.181) |
geographic |
Adventdalen Arctic Svalbard |
geographic_facet |
Adventdalen Arctic Svalbard |
genre |
Adventdalen Arctic Arctic Dryas octopetala Eriophorum Eriophorum scheuchzeri Salix polaris Svalbard |
genre_facet |
Adventdalen Arctic Arctic Dryas octopetala Eriophorum Eriophorum scheuchzeri Salix polaris Svalbard |
op_source |
Arctic Science, Vol 8, Iss 3, Pp 767-785 (2022) |
op_relation |
doi:10.1139/as-2020-0025 2368-7460 https://doaj.org/article/a87581a8fe134f21a247923853782b80 |
op_rights |
undefined |
op_doi |
https://doi.org/10.1139/as-2020-0025 |
container_title |
Arctic Science |
container_volume |
8 |
container_issue |
3 |
container_start_page |
767 |
op_container_end_page |
785 |
_version_ |
1766392160501891072 |