globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.14041
Scopus记录号: 2-s2.0-85044786500
论文题名:
Large-scale disturbance legacies and the climate sensitivity of primary Picea abies forests
作者: Schurman J.S.; Trotsiuk V.; Bače R.; Čada V.; Fraver S.; Janda P.; Kulakowski D.; Labusova J.; Mikoláš M.; Nagel T.A.; Seidl R.; Synek M.; Svobodová K.; Chaskovskyy O.; Teodosiu M.; Svoboda M.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2018
卷: 24, 期:5
起始页码: 2169
结束页码: 2181
语种: 英语
英文关键词: dendroecology ; disturbance legacies ; historical ecology ; Picea abies ; primary forest ; regional scale ; susceptibility
Scopus关键词: Picea ; Picea abies
英文摘要: Determining the drivers of shifting forest disturbance rates remains a pressing global change issue. Large-scale forest dynamics are commonly assumed to be climate driven, but appropriately scaled disturbance histories are rarely available to assess how disturbance legacies alter subsequent disturbance rates and the climate sensitivity of disturbance. We compiled multiple tree ring-based disturbance histories from primary Picea abies forest fragments distributed throughout five European landscapes spanning the Bohemian Forest and the Carpathian Mountains. The regional chronology includes 11,595 tree cores, with ring dates spanning the years 1750–2000, collected from 560 inventory plots in 37 stands distributed across a 1,000 km geographic gradient, amounting to the largest disturbance chronology yet constructed in Europe. Decadal disturbance rates varied significantly through time and declined after 1920, resulting in widespread increases in canopy tree age. Approximately 75% of current canopy area recruited prior to 1900. Long-term disturbance patterns were compared to an historical drought reconstruction, and further linked to spatial variation in stand structure and contemporary disturbance patterns derived from LANDSAT imagery. Historically, decadal Palmer drought severity index minima corresponded to higher rates of canopy removal. The severity of contemporary disturbances increased with each stand's estimated time since last major disturbance, increased with mean diameter, and declined with increasing within-stand structural variability. Reconstructed spatial patterns suggest that high small-scale structural variability has historically acted to reduce large-scale susceptibility and climate sensitivity of disturbance. Reduced disturbance rates since 1920, a potential legacy of high 19th century disturbance rates, have contributed to a recent region-wide increase in disturbance susceptibility. Increasingly common high-severity disturbances throughout primary Picea forests of Central Europe should be reinterpreted in light of both legacy effects (resulting in increased susceptibility) and climate change (resulting in increased exposure to extreme events). © 2018 John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110416
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Prague, Czech Republic; School of Forest Resources, University of Maine, Orono, ME, United States; Graduate School of Geography, Clark University, Worcester, MA, United States; PRALES, Rosina, Slovakia; Department of Forestry and Renewable Forest Resources, University of Ljubljana, Ljubljana, Slovenia; Institute of Silviculture, Department of Forest and Soil Sciences, University of Natural Resources and Life Sciences (BOKU), Vienna, Austria; Faculty of Environmental Sciences, Czech University of Life Sciences, Prague, Czech Republic; Faculty of Forestry, Ukrainian National Forestry University, Lviv, Ukraine; Marin Drăcea National Research-Development Institute in Forestry, Câmpulung Moldovenesc, Romania

Recommended Citation:
Schurman J.S.,Trotsiuk V.,Bače R.,et al. Large-scale disturbance legacies and the climate sensitivity of primary Picea abies forests[J]. Global Change Biology,2018-01-01,24(5)
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