The role of mosses in ecosystem succession and function in Alaska’s boreal forestThis article is one of a selection of papers from The Dynamics of Change in Alaska’s Boreal Forests: Resilience and Vulnerability in Response to Climate Warming.
Shifts in moss communities may affect the resilience of boreal ecosystems to a changing climate because of the role of moss species in regulating soil climate and biogeochemical cycling. Here, we use long-term data analysis and literature synthesis to examine the role of moss in ecosystem succession...
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crcansciencepubl:10.1139/x10-072 2024-06-23T07:56:07+00:00 The role of mosses in ecosystem succession and function in Alaska’s boreal forestThis article is one of a selection of papers from The Dynamics of Change in Alaska’s Boreal Forests: Resilience and Vulnerability in Response to Climate Warming. Turetsky, Merritt R. Mack, Michelle C. Hollingsworth, Teresa N. Harden, Jennifer W. 2010 http://dx.doi.org/10.1139/x10-072 http://www.nrcresearchpress.com/doi/full-xml/10.1139/X10-072 http://www.nrcresearchpress.com/doi/pdf/10.1139/X10-072 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Forest Research volume 40, issue 7, page 1237-1264 ISSN 0045-5067 1208-6037 journal-article 2010 crcansciencepubl https://doi.org/10.1139/x10-072 2024-06-13T04:10:48Z Shifts in moss communities may affect the resilience of boreal ecosystems to a changing climate because of the role of moss species in regulating soil climate and biogeochemical cycling. Here, we use long-term data analysis and literature synthesis to examine the role of moss in ecosystem succession, productivity, and decomposition. In Alaskan forests, moss abundance showed a unimodal distribution with time since fire, peaking 30–70 years post-fire. We found no evidence of mosses compensating for low vascular productivity in low-fertility sites at large scales, although a trade-off between moss and vascular productivity was evident in intermediate-productivity sites. Mosses contributed 48% and 20% of wetland and upland productivity, respectively, but produced tissue that decomposed more slowly than both nonwoody and woody vascular tissues. Increasing fire frequency in Alaska is likely to favor feather moss proliferation and decrease Sphagnum abundance, which will reduce soil moisture retention and decrease peat accumulation, likely leading to deeper burning during wildfire and accelerated permafrost thaw. The roles of moss traits in regulating key aspects of boreal performance (ecosystem N supply, C sequestration, permafrost stability, and fire severity) represent critical areas for understanding the resilience of Alaska’s boreal forest region under changing climate and disturbance regimes. Article in Journal/Newspaper permafrost Alaska Canadian Science Publishing Canadian Journal of Forest Research 40 7 1237 1264 |
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Open Polar |
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Canadian Science Publishing |
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crcansciencepubl |
language |
English |
description |
Shifts in moss communities may affect the resilience of boreal ecosystems to a changing climate because of the role of moss species in regulating soil climate and biogeochemical cycling. Here, we use long-term data analysis and literature synthesis to examine the role of moss in ecosystem succession, productivity, and decomposition. In Alaskan forests, moss abundance showed a unimodal distribution with time since fire, peaking 30–70 years post-fire. We found no evidence of mosses compensating for low vascular productivity in low-fertility sites at large scales, although a trade-off between moss and vascular productivity was evident in intermediate-productivity sites. Mosses contributed 48% and 20% of wetland and upland productivity, respectively, but produced tissue that decomposed more slowly than both nonwoody and woody vascular tissues. Increasing fire frequency in Alaska is likely to favor feather moss proliferation and decrease Sphagnum abundance, which will reduce soil moisture retention and decrease peat accumulation, likely leading to deeper burning during wildfire and accelerated permafrost thaw. The roles of moss traits in regulating key aspects of boreal performance (ecosystem N supply, C sequestration, permafrost stability, and fire severity) represent critical areas for understanding the resilience of Alaska’s boreal forest region under changing climate and disturbance regimes. |
format |
Article in Journal/Newspaper |
author |
Turetsky, Merritt R. Mack, Michelle C. Hollingsworth, Teresa N. Harden, Jennifer W. |
spellingShingle |
Turetsky, Merritt R. Mack, Michelle C. Hollingsworth, Teresa N. Harden, Jennifer W. The role of mosses in ecosystem succession and function in Alaska’s boreal forestThis article is one of a selection of papers from The Dynamics of Change in Alaska’s Boreal Forests: Resilience and Vulnerability in Response to Climate Warming. |
author_facet |
Turetsky, Merritt R. Mack, Michelle C. Hollingsworth, Teresa N. Harden, Jennifer W. |
author_sort |
Turetsky, Merritt R. |
title |
The role of mosses in ecosystem succession and function in Alaska’s boreal forestThis article is one of a selection of papers from The Dynamics of Change in Alaska’s Boreal Forests: Resilience and Vulnerability in Response to Climate Warming. |
title_short |
The role of mosses in ecosystem succession and function in Alaska’s boreal forestThis article is one of a selection of papers from The Dynamics of Change in Alaska’s Boreal Forests: Resilience and Vulnerability in Response to Climate Warming. |
title_full |
The role of mosses in ecosystem succession and function in Alaska’s boreal forestThis article is one of a selection of papers from The Dynamics of Change in Alaska’s Boreal Forests: Resilience and Vulnerability in Response to Climate Warming. |
title_fullStr |
The role of mosses in ecosystem succession and function in Alaska’s boreal forestThis article is one of a selection of papers from The Dynamics of Change in Alaska’s Boreal Forests: Resilience and Vulnerability in Response to Climate Warming. |
title_full_unstemmed |
The role of mosses in ecosystem succession and function in Alaska’s boreal forestThis article is one of a selection of papers from The Dynamics of Change in Alaska’s Boreal Forests: Resilience and Vulnerability in Response to Climate Warming. |
title_sort |
role of mosses in ecosystem succession and function in alaska’s boreal forestthis article is one of a selection of papers from the dynamics of change in alaska’s boreal forests: resilience and vulnerability in response to climate warming. |
publisher |
Canadian Science Publishing |
publishDate |
2010 |
url |
http://dx.doi.org/10.1139/x10-072 http://www.nrcresearchpress.com/doi/full-xml/10.1139/X10-072 http://www.nrcresearchpress.com/doi/pdf/10.1139/X10-072 |
genre |
permafrost Alaska |
genre_facet |
permafrost Alaska |
op_source |
Canadian Journal of Forest Research volume 40, issue 7, page 1237-1264 ISSN 0045-5067 1208-6037 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/x10-072 |
container_title |
Canadian Journal of Forest Research |
container_volume |
40 |
container_issue |
7 |
container_start_page |
1237 |
op_container_end_page |
1264 |
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1802648999006568448 |