Tropical Peatland Carbon Storage Linked To Global Latitudinal Trends In Peat Recalcitrance
Peatlands represent large terrestrial carbon banks. Given that most peat accumulates in boreal regions, where low temperatures and water saturation preserve organic matter, the existence of peat in (sub)tropical regions remains enigmatic. Here we examined peat and plant chemistry across a latitudina...
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ftfloridasu:oai:diginole.lib.fsu.edu:fsu_607603 2024-06-09T07:43:48+00:00 Tropical Peatland Carbon Storage Linked To Global Latitudinal Trends In Peat Recalcitrance Hodgkins, Suzanne B. (authoraut) Richardson, Curtis J. (authoraut) Dommain, Rene (authoraut) Wang, Hongjun (authoraut) Glaser, Paul H. (authoraut) Verbeke, Brittany (authoraut) Winkler, B. Rose (authoraut) Cobb, Alexander R. (authoraut) Rich, Virginia I. (authoraut) Missilmani, Malak (authoraut) Flanagan, Neal (authoraut) Ho, Mengchi (authoraut) Hoyt, Alison M. (authoraut) Harvey, Charles F. (authoraut) Vining, S. Rose (authoraut) Hough, Moira A. (authoraut) Moore, Tim R. (authoraut) Richard, Pierre J. H. (authoraut) De la Cruz, Florentino B. (authoraut) Toufaily, Joumana (authoraut) Hamdan, Rasha (authoraut) Cooper, William T. (authoraut) Chanton, Jeffrey P. (authoraut) 2018-09-07 1 online resource computer https://diginole.lib.fsu.edu/islandora/object/fsu%3A607603/datastream/TN/view/Tropical%20Peatland%20Carbon%20Storage%20Linked%20To%20Global%20Latitudinal%20Trends%20In%20Peat%20Recalcitrance.jpg English eng eng Nature Communications--2041-1723 fsu:607603 (IID) FSU_libsubv1_wos_000444014100015 (DOI) 10.1038/s41467-018-06050-2 https://diginole.lib.fsu.edu/islandora/object/fsu%3A607603/datastream/TN/view/Tropical%20Peatland%20Carbon%20Storage%20Linked%20To%20Global%20Latitudinal%20Trends%20In%20Peat%20Recalcitrance.jpg Text journal article 2018 ftfloridasu 2024-05-10T08:08:11Z Peatlands represent large terrestrial carbon banks. Given that most peat accumulates in boreal regions, where low temperatures and water saturation preserve organic matter, the existence of peat in (sub)tropical regions remains enigmatic. Here we examined peat and plant chemistry across a latitudinal transect from the Arctic to the tropics. Near-surface low-latitude peat has lower carbohydrate and greater aromatic content than near-surface high-latitude peat, creating a reduced oxidation state and resulting recalcitrance. This recalcitrance allows peat to persist in the (sub)tropics despite warm temperatures. Because we observed similar declines in carbohydrate content with depth in high-latitude peat, our data explain recent field-scale deep peat warming experiments in which catotelm (deeper) peat remained stable despite temperature increases up to 9 degrees C. We suggest that high-latitude deep peat reservoirs may be stabilized in the face of climate change by their ultimately lower carbohydrate and higher aromatic composition, similar to tropical peats. Keywords: permafrost thaw, chemistry, decomposition, dissolved organic-matter, brown-rot, ftir spectroscopy, greenhouse-gas fluxes, lignin content, northern minnesota, sub-arctic peatland Publication Note: The publisher’s version of record is available at https://doi.org/10.1038/s41467-018-06050-2 Article in Journal/Newspaper Arctic Climate change permafrost Florida State University: DigiNole Commons Arctic |
institution |
Open Polar |
collection |
Florida State University: DigiNole Commons |
op_collection_id |
ftfloridasu |
language |
English |
description |
Peatlands represent large terrestrial carbon banks. Given that most peat accumulates in boreal regions, where low temperatures and water saturation preserve organic matter, the existence of peat in (sub)tropical regions remains enigmatic. Here we examined peat and plant chemistry across a latitudinal transect from the Arctic to the tropics. Near-surface low-latitude peat has lower carbohydrate and greater aromatic content than near-surface high-latitude peat, creating a reduced oxidation state and resulting recalcitrance. This recalcitrance allows peat to persist in the (sub)tropics despite warm temperatures. Because we observed similar declines in carbohydrate content with depth in high-latitude peat, our data explain recent field-scale deep peat warming experiments in which catotelm (deeper) peat remained stable despite temperature increases up to 9 degrees C. We suggest that high-latitude deep peat reservoirs may be stabilized in the face of climate change by their ultimately lower carbohydrate and higher aromatic composition, similar to tropical peats. Keywords: permafrost thaw, chemistry, decomposition, dissolved organic-matter, brown-rot, ftir spectroscopy, greenhouse-gas fluxes, lignin content, northern minnesota, sub-arctic peatland Publication Note: The publisher’s version of record is available at https://doi.org/10.1038/s41467-018-06050-2 |
author2 |
Hodgkins, Suzanne B. (authoraut) Richardson, Curtis J. (authoraut) Dommain, Rene (authoraut) Wang, Hongjun (authoraut) Glaser, Paul H. (authoraut) Verbeke, Brittany (authoraut) Winkler, B. Rose (authoraut) Cobb, Alexander R. (authoraut) Rich, Virginia I. (authoraut) Missilmani, Malak (authoraut) Flanagan, Neal (authoraut) Ho, Mengchi (authoraut) Hoyt, Alison M. (authoraut) Harvey, Charles F. (authoraut) Vining, S. Rose (authoraut) Hough, Moira A. (authoraut) Moore, Tim R. (authoraut) Richard, Pierre J. H. (authoraut) De la Cruz, Florentino B. (authoraut) Toufaily, Joumana (authoraut) Hamdan, Rasha (authoraut) Cooper, William T. (authoraut) Chanton, Jeffrey P. (authoraut) |
format |
Article in Journal/Newspaper |
title |
Tropical Peatland Carbon Storage Linked To Global Latitudinal Trends In Peat Recalcitrance |
spellingShingle |
Tropical Peatland Carbon Storage Linked To Global Latitudinal Trends In Peat Recalcitrance |
title_short |
Tropical Peatland Carbon Storage Linked To Global Latitudinal Trends In Peat Recalcitrance |
title_full |
Tropical Peatland Carbon Storage Linked To Global Latitudinal Trends In Peat Recalcitrance |
title_fullStr |
Tropical Peatland Carbon Storage Linked To Global Latitudinal Trends In Peat Recalcitrance |
title_full_unstemmed |
Tropical Peatland Carbon Storage Linked To Global Latitudinal Trends In Peat Recalcitrance |
title_sort |
tropical peatland carbon storage linked to global latitudinal trends in peat recalcitrance |
publishDate |
2018 |
url |
https://diginole.lib.fsu.edu/islandora/object/fsu%3A607603/datastream/TN/view/Tropical%20Peatland%20Carbon%20Storage%20Linked%20To%20Global%20Latitudinal%20Trends%20In%20Peat%20Recalcitrance.jpg |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Climate change permafrost |
genre_facet |
Arctic Climate change permafrost |
op_relation |
Nature Communications--2041-1723 fsu:607603 (IID) FSU_libsubv1_wos_000444014100015 (DOI) 10.1038/s41467-018-06050-2 https://diginole.lib.fsu.edu/islandora/object/fsu%3A607603/datastream/TN/view/Tropical%20Peatland%20Carbon%20Storage%20Linked%20To%20Global%20Latitudinal%20Trends%20In%20Peat%20Recalcitrance.jpg |
_version_ |
1801372654030028800 |