Long Fire Cycle in Northern Boreal Pinus Forests in Finnish Lapland. Wallenius, T. H., Kauhanen, H., Herva, H., & Pennanen, J. 40(10):2027–2035. ![Long Fire Cycle in Northern Boreal Pinus Forests in Finnish Lapland [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Knowledge of past forest fire regimes is important for developing management plans for conservation areas and for predicting the probable effects of forest management and climate change on the structure and dynamics of forests. In this study, fire scars on living and dead trees were systematically sampled on 256 study plots in three landscapes in northeastern Finland dominated by Scots pine (Pinus sylvestris L.). A total of 1030 disks or partial cross sections from different trees, including scars from 98 distinct forest fires, were dendrochronologically dated with an accuracy of 1 year or better. The extraordinarily well-preserved old Pinus snags and stumps allowed us to reconstruct annual tree-ring and fire chronologies beginning from the year AD 653. The fire cycles in the studied landscapes were exceptionally long for a boreal region dominated by Pinus, on average 350~years during the last millennium. This demonstrates that the fire regimes of poorly studied remote regions cannot be extrapolated from fire regimes of sites examined in more detail. Based on statistics on lightning-ignition densities, we suggest that most of the fires detected in this study were ignited by humans. The reconstructed past fire cycles were probably shortened by human influence.
@article{walleniusLongFireCycle2010,
title = {Long Fire Cycle in Northern Boreal {{Pinus}} Forests in {{Finnish Lapland}}},
author = {Wallenius, T. H. and Kauhanen, H. and Herva, H. and Pennanen, J.},
date = {2010-09},
journaltitle = {Canadian Journal of Forest Research},
volume = {40},
pages = {2027--2035},
doi = {10.1139/x10-144},
url = {https://doi.org/10.1139/x10-144},
abstract = {Knowledge of past forest fire regimes is important for developing management plans for conservation areas and for predicting the probable effects of forest management and climate change on the structure and dynamics of forests. In this study, fire scars on living and dead trees were systematically sampled on 256 study plots in three landscapes in northeastern Finland dominated by Scots pine (Pinus sylvestris L.). A total of 1030 disks or partial cross sections from different trees, including scars from 98 distinct forest fires, were dendrochronologically dated with an accuracy of 1 year or better. The extraordinarily well-preserved old Pinus snags and stumps allowed us to reconstruct annual tree-ring and fire chronologies beginning from the year AD 653. The fire cycles in the studied landscapes were exceptionally long for a boreal region dominated by Pinus, on average 350~years during the last millennium. This demonstrates that the fire regimes of poorly studied remote regions cannot be extrapolated from fire regimes of sites examined in more detail. Based on statistics on lightning-ignition densities, we suggest that most of the fires detected in this study were ignited by humans. The reconstructed past fire cycles were probably shortened by human influence.},
keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-13410973,dendrochronology,fire-regimes,forest-fires,pinus-sylvestris},
number = {10}
}
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