Zin2015934

Reference

Zin, E., Drobyshev, I., Bernacki, D., Niklasson, M. (2015) Dendrochronological reconstruction reveals a mixed-intensity fire regime in Pinus sylvestris-dominated stands of Białowieża Forest, Belarus and Poland. Journal of Vegetation Science, 26(5):934-945. (Scopus )

Abstract

Questions: What were the features of the historical forest fire regime, fire intensity in particular, in Pinus sylvestris-dominated stands of Białowieża Forest? Did tree recruitment patterns relate to the fire history? Location: Białowieża Forest, western Belarus and northeast Poland. Methods: We used dendrochronological methods to reconstruct the fire regime in a 8.5-ha mixed coniferous (Pinus sylvestris-Picea abies) forest stand located in the Belarusian part of Białowieża Forest. We analysed fire frequency at stand and point scale, seasonal distribution of fires and fire intensity. We compared the results to a previous study done in a 13.0-ha site of similar habitat and stand structure, located in the Polish part of Białowieża Forest. Results: We reconstructed fires back to 1655, the most recent fire dating to 1918. Mean fire interval at stand scale during 1645-2010 was 9 ± 7.8 yrs (±SD). Fire frequency gradually declined after 1811, with mean fire interval at stand scale increasing from 5 ± 2.5 yrs prior to 1811 to 18 ± 9.3 yrs thereafter. Most fires were likely of low intensity, as suggested by (1) small average tree diameter (5.1 ± 2.9 cm) at the first scar, (2) absence of strong negative growth reactions after fire, and (3) high fire frequency likely limiting fuel build-up. However, a fire in 1718 was intense and resulted in a wave of P. sylvestris regeneration. The reconstructed fire history in the Belarusian part of Białowieża Forest showed many similarities with that done in the Polish section of this forest. Similarities included dominance of low-intensity dormant and early-season fires, sporadic occurrence of high-intensity fires, high fire frequencies between the 1650s and the early 1800s, and cessation of fires since the early 20th century. Six out of 50 fire dates reconstructed in both sites were common and represented a level of synchrony that was significantly higher than expected under a random pattern of fire occurrence. Conclusions: Low-intensity surface fires dominated the historical fire regime of Białowieża Forest. However, occasional high-intensity stand-replacing fires led to successional changes at the stand scale. © 2015 International Association for Vegetation Science.

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@ARTICLE { Zin2015934,
    AUTHOR = { Zin, E. and Drobyshev, I. and Bernacki, D. and Niklasson, M. },
    TITLE = { Dendrochronological reconstruction reveals a mixed-intensity fire regime in Pinus sylvestris-dominated stands of Białowieża Forest, Belarus and Poland },
    JOURNAL = { Journal of Vegetation Science },
    YEAR = { 2015 },
    VOLUME = { 26 },
    PAGES = { 934-945 },
    NUMBER = { 5 },
    NOTE = { cited By 0 },
    ABSTRACT = { Questions: What were the features of the historical forest fire regime, fire intensity in particular, in Pinus sylvestris-dominated stands of Białowieża Forest? Did tree recruitment patterns relate to the fire history? Location: Białowieża Forest, western Belarus and northeast Poland. Methods: We used dendrochronological methods to reconstruct the fire regime in a 8.5-ha mixed coniferous (Pinus sylvestris-Picea abies) forest stand located in the Belarusian part of Białowieża Forest. We analysed fire frequency at stand and point scale, seasonal distribution of fires and fire intensity. We compared the results to a previous study done in a 13.0-ha site of similar habitat and stand structure, located in the Polish part of Białowieża Forest. Results: We reconstructed fires back to 1655, the most recent fire dating to 1918. Mean fire interval at stand scale during 1645-2010 was 9 ± 7.8 yrs (±SD). Fire frequency gradually declined after 1811, with mean fire interval at stand scale increasing from 5 ± 2.5 yrs prior to 1811 to 18 ± 9.3 yrs thereafter. Most fires were likely of low intensity, as suggested by (1) small average tree diameter (5.1 ± 2.9 cm) at the first scar, (2) absence of strong negative growth reactions after fire, and (3) high fire frequency likely limiting fuel build-up. However, a fire in 1718 was intense and resulted in a wave of P. sylvestris regeneration. The reconstructed fire history in the Belarusian part of Białowieża Forest showed many similarities with that done in the Polish section of this forest. Similarities included dominance of low-intensity dormant and early-season fires, sporadic occurrence of high-intensity fires, high fire frequencies between the 1650s and the early 1800s, and cessation of fires since the early 20th century. Six out of 50 fire dates reconstructed in both sites were common and represented a level of synchrony that was significantly higher than expected under a random pattern of fire occurrence. Conclusions: Low-intensity surface fires dominated the historical fire regime of Białowieża Forest. However, occasional high-intensity stand-replacing fires led to successional changes at the stand scale. © 2015 International Association for Vegetation Science. },
    AUTHOR_KEYWORDS = { Central Europe; Fire scar; Forest dynamics; Natural disturbance; Post-fire tree growth; Scots pine; Temperate lowland mixed forest; Tree recruitment; Tree ring },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1111/jvs.12290 },
    KEYWORDS = { Picea abies; Pinus sylvestris },
    SOURCE = { Scopus },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84938961260&partnerID=40&md5=cbf6cef166e78091c3fd878415a58c14 },
}

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