Holocene changes in fire frequency in the Daihai Lake region (north-central China): indications and implications for an important role of human activity

Wang, Xu; Xiao, Jianru; Cui, Linlin; Ding, Zhongli

doi:10.1016/j.quascirev.2012.10.033

Cited by 72 publications

(71 citation statements)

References 79 publications

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“…However, sources of fire atlases and fire-scarred trees are limited, and their time spans are relatively short (Brunelle and Whitlock, 2003), whereas the charcoal records from peat and lake sediments can provide long continuous fire frequency history and allow vegetation-fire-climate interactions to be examined (Gavin et al, 2007;Morales-Molino et al, 2013). Recently, black carbon was also gradually used as evidence of fire history reconstruction (Schmidt and Noack, 2000;Wang et al, 2013;Wolf et al, 2014) and its subtypes of char and soot have potential to differentiate between smoldering and flaming fires (Han et al, 2012(Han et al, , 2016.…”

Section: Introductionmentioning

confidence: 99%

“…China has only started relatively late in this field. Most studies on fire history are concentrated in northern China (Li et al, 2005;Huang et al, 2006;Jiang et al, 2008;Han et al, 2012;Li et al, 2013;Wang et al, 2013;Z. Q. Zhang et al, 2015), while studies in southern China are relatively few (Sun et al, 2000;Luo et al, 2001;Gu et al, 2008;Xiao et al, 2013;.…”

Section: Introductionmentioning

confidence: 99%

“…Q. Zhang et al, 2015; E. L. . Studies of past frequency and magnitude of fire and its relationship to climate, human activity, and vegetation dynamics are, however, uncommon for China (Gu et al, 2008;Wang et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Postglacial fire history and interactions with vegetation and climate in southwestern Yunnan Province of China

et al. 2017

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Abstract.A high-resolution, continuous 18.5 kyr (1 kyr = 1000 cal yr BP) macroscopic charcoal record from Qinghai Lake in southwestern Yunnan Province, China, reveals postglacial fire frequency and variability history. The results show that three periods with high-frequency and high-severity fires occurred during the periods 18.5-15.0, 13.0-11.5, and 4.3-0.8 ka, respectively. This record was compared with major pollen taxa and pollen diversity indices from the same core, and tentatively related to the regional climate proxy records with the aim to separate climate-from human-induced fire activity, and discuss vegetation-fire-climate interactions. The results suggest that fire was mainly controlled by climate before 4.3 ka and by the combined actions of climate and humans after 4.3 ka. Before 4.3 ka, high fire activity corresponded to cold and dry climatic conditions, while warm and humid climatic conditions brought infrequent and weak fires. Fire was an important disturbance factor and played an important role in forest dynamics around the study area. Vegetation responses to fire after 4.3 ka are not consistent with those before 4.3 ka, suggesting that human influence on vegetation and fire regimes may have become more prevalent after 4.3 ka. The comparisons between fire activity and vegetation reveal that evergreen oaks are flammable plants and fire-tolerant taxa. Alnus is a fire-adapted taxon and a nonflammable plant, but density of Alnus forest is a key factor to decide its fire resistance. The forests dominated by Lithocarpus/Castanopsis and/or tropical trees and shrubs are not easy to ignite, but Lithocarpus/Castanopsis and tropical trees and shrubs are fire-sensitive taxa. Fire appears to be unfavourable to plant diversity in the study area.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Postglacial fire history and interactions with vegetation and climate in southwestern Yunnan Province of China

et al. 2017

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“…Wang et al, 2012;Wang et al, 2005Wang et al, , 2013b. Fire history can be reconstructed directly by compiling historical documents or by analyzing the carbon-rich materials produced by fires and preserved in sediments (Conedera et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…Recent studies of the fire history in China on orbital to millennial timescales have mainly concentrated on the East Asian Summer Monsoon (EASM) region (X. Wang et al, 2012;Wang et al, 2005Wang et al, , 2013bYang et al, 2001;Zhou et al, 2007), and the fire regimes in this region may also have been impacted by human activity due to the establishment of agriculture in north China during the Holocene (Kong et al, 2003;Tan et al, 2011;X. Wang et al, 2012;Wang et al, 2013b;Yang et al, 2001;Zhou et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Linkages between climate, fire and vegetation in southwest China during the last 18.5ka based on a sedimentary record of black carbon and its isotopic composition

Zhang

Sun

Zhao

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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Impact of forest fires generated black carbon deposition fluxes in Great Hinggan Mountains (China)

Gao

Cong

et al. 2017

Land Degrad Dev

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Black carbon is produced by incomplete combustion of fossil fuels and biomass. The production of black carbon over the last several centuries has been primarily influenced by human activities. Human exploitation of forest resources, together with increases in regional fire frequency and intensity, can increase regional black carbon emissions and can led more black carbon deposited into natural ecosystem. Here, based on 210Pb age‐depth model, we investigated black carbon deposition over several key periods in the last 150 years in 5 peatlands of the Great Hinggan Mountains (Northeast China), an area that has been exploited by humans without forest protection policies. The results showed that average black carbon deposition fluxes from different peatlands in the Great Hinggan Mountains were 1.1 to 4.8 mg·year−1·cm−2, which were similar to other peatland distribution regions and higher than other ecosystems. Frequent and intense fire events during the exploitation period led to regional peak black carbon deposition before the 1980s. After the 1980s, fire events were controlled, and the government implemented forest protection policies that decreased the trend in regional fire frequency in the Great Hinggan Mountains and markedly decreased black carbon deposition. Fire events controlled by regional human activities are therefore the major factor that influence regional black carbon deposition fluxes, and frequent forest fires could increase black carbon deposition fluxes in surrounding ecosystem.

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Holocene changes in fire frequency in the Daihai Lake region (north-central China): indications and implications for an important role of human activity

Cited by 72 publications

References 79 publications

Postglacial fire history and interactions with vegetation and climate in southwestern Yunnan Province of China

Postglacial fire history and interactions with vegetation and climate in southwestern Yunnan Province of China

Linkages between climate, fire and vegetation in southwest China during the last 18.5ka based on a sedimentary record of black carbon and its isotopic composition

Impact of forest fires generated black carbon deposition fluxes in Great Hinggan Mountains (China)

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