All fired up: A long-term fire history of the coastal boreal forest of Newfoundland, Canada
Little is known about the long-term fire history of coastal boreal forests in Atlantic Canada, particularly of Newfoundland. Establishing historical fire regimes is essential to wildfire management and projecting future wildfire activity. We radiocarbon-dated and botanically identified soil charcoal...
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Memorial University of Newfoundland
2021
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Online Access: | https://dx.doi.org/10.48336/hyrs-t618 https://research.library.mun.ca/15021/ |
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ftdatacite:10.48336/hyrs-t618 2023-05-15T17:18:39+02:00 All fired up: A long-term fire history of the coastal boreal forest of Newfoundland, Canada Walker, Leah C. 2021 https://dx.doi.org/10.48336/hyrs-t618 https://research.library.mun.ca/15021/ unknown Memorial University of Newfoundland article-journal ScholarlyArticle Text 2021 ftdatacite https://doi.org/10.48336/hyrs-t618 2022-04-01T09:01:11Z Little is known about the long-term fire history of coastal boreal forests in Atlantic Canada, particularly of Newfoundland. Establishing historical fire regimes is essential to wildfire management and projecting future wildfire activity. We radiocarbon-dated and botanically identified soil charcoal to resolve the long-term fire history of Terra Nova National Park (TNNP) in eastern Newfoundland. Typically, dendrochronology or lake sediment cores are used to reconstruct fire histories; yet, a soil charcoal approach produces a longer time-scale than dendrochronology and a finer spatial resolution than lacustrine sediment understanding of past fire events. Charcoal ages ranged from 7528 to 64 cal. years BP. The 150 year fire return interval for the park was consistent with other eastern boreal forest stands. We found charcoal of spruce, balsam fir, pine, birch, and maple. The proportion of black spruce increased in the Central Newfoundland Forest, while the proportion of balsam fir increased in the North Shore Forest from the past to present-day. Our results directly inform the wildfire management plan in TNNP to enhance black spruce regeneration, improve overall forest health, and decrease fire risk. Text Newfoundland DataCite Metadata Store (German National Library of Science and Technology) Canada |
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Little is known about the long-term fire history of coastal boreal forests in Atlantic Canada, particularly of Newfoundland. Establishing historical fire regimes is essential to wildfire management and projecting future wildfire activity. We radiocarbon-dated and botanically identified soil charcoal to resolve the long-term fire history of Terra Nova National Park (TNNP) in eastern Newfoundland. Typically, dendrochronology or lake sediment cores are used to reconstruct fire histories; yet, a soil charcoal approach produces a longer time-scale than dendrochronology and a finer spatial resolution than lacustrine sediment understanding of past fire events. Charcoal ages ranged from 7528 to 64 cal. years BP. The 150 year fire return interval for the park was consistent with other eastern boreal forest stands. We found charcoal of spruce, balsam fir, pine, birch, and maple. The proportion of black spruce increased in the Central Newfoundland Forest, while the proportion of balsam fir increased in the North Shore Forest from the past to present-day. Our results directly inform the wildfire management plan in TNNP to enhance black spruce regeneration, improve overall forest health, and decrease fire risk. |
format |
Text |
author |
Walker, Leah C. |
spellingShingle |
Walker, Leah C. All fired up: A long-term fire history of the coastal boreal forest of Newfoundland, Canada |
author_facet |
Walker, Leah C. |
author_sort |
Walker, Leah C. |
title |
All fired up: A long-term fire history of the coastal boreal forest of Newfoundland, Canada |
title_short |
All fired up: A long-term fire history of the coastal boreal forest of Newfoundland, Canada |
title_full |
All fired up: A long-term fire history of the coastal boreal forest of Newfoundland, Canada |
title_fullStr |
All fired up: A long-term fire history of the coastal boreal forest of Newfoundland, Canada |
title_full_unstemmed |
All fired up: A long-term fire history of the coastal boreal forest of Newfoundland, Canada |
title_sort |
all fired up: a long-term fire history of the coastal boreal forest of newfoundland, canada |
publisher |
Memorial University of Newfoundland |
publishDate |
2021 |
url |
https://dx.doi.org/10.48336/hyrs-t618 https://research.library.mun.ca/15021/ |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_doi |
https://doi.org/10.48336/hyrs-t618 |
_version_ |
1766088555893882880 |