Larch forests of Middle Siberia: long-term trends in fire return intervals

被引：34

作者：

Kharuk, Viacheslav I. ^{[1
,2
]}

Dvinskaya, Mariya L. ^{[1
]}

Petrov, Ilya A. ^{[1
]}

Im, Sergei T. ^{[1
,2
,3
]}

Ranson, Kenneth J. ^{[4
]}

机构：

[1] VN Sukachev Inst Forest, Krasnoyarsk 660036, Russia

[2] Siberian Fed Univ, Krasnoyarsk 660041, Russia

[3] Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia

[4] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

来源：

REGIONAL ENVIRONMENTAL CHANGE | 2016年 / 16卷 / 08期

基金：

俄罗斯科学基金会;

关键词：

Fire ecology; Fire history; Fire frequency; Siberian wildfires; Larch forests; Climate change; CLIMATE-CHANGE; BOREAL FOREST; HISTORY; FREQUENCY; REGIMES;

D O I：

10.1007/s10113-016-0964-9

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Fire history within the northern larch forests of Central Siberia was studied (65 + A degrees N). Fires within this area are predominantly caused by lightning strikes rather than human activity. Mean fire return intervals (FRIs) were found to be 112 +/- A 49 years (based on firescars) and 106 +/- A 36 years (based on firescars and tree natality dates). FRIs were increased with latitude increase and observed to be about 80 years at 64A degrees N, about 200 years near the Arctic Circle and about 300 years nearby the northern range limit of larch stands (similar to 71A degrees A + N). Northward FRIs increase correlated with incoming solar radiation (r = -0.95). Post-Little Ice Age (LIA) warming (after 1850) caused approximately a doubling of fire events (in comparison with a similar period during LIA). The data obtained support a hypothesis of climate-induced fire frequency increase.

引用

页码：2389 / 2397

页数：9

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Mariya L. Dvinskaya
Ilya A. Petrov
Sergei T. Im
Kenneth J. Ranson
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