globalchange  > 过去全球变化的重建
DOI: 10.3390/f10070532
WOS记录号: WOS:000482080800034
论文题名:
Divergent Last Century Tree Growth along An Altitudinal Gradient in A Pinus sylvestris L. Dry-edge Population
作者: Fernandez-Perez, Laura1; Zavala, Miguel A.1; Villar-Salvador, Pedro1; Madrigal-Gonzalez, Jaime2
通讯作者: Fernandez-Perez, Laura
刊名: FORESTS
EISSN: 1999-4907
出版年: 2019
卷: 10, 期:7
语种: 英语
英文关键词: altitude ; global change ; high mountain ; Mediterranean ; Scots
WOS关键词: WATER-USE EFFICIENCY ; SCOTS PINE ; NITROGEN DEPOSITION ; ATMOSPHERIC CO2 ; CARBON-DIOXIDE ; COLD-HARDINESS ; RISING CO2 ; CLIMATE ; RESPONSES ; DROUGHT
WOS学科分类: Forestry
WOS研究方向: Forestry
英文摘要:

Research Highlights: This research highlights the importance of environmental gradients in shaping tree growth responses to global change drivers and the difficulty of attributing impacts to a single directional driver. Background and Objectives: Temperature increases associated with climate change might strongly influence tree growth and forest productivity in temperate forest species. However, the direction and intensity of these effects at the dry edge of species range are still unclear, particularly given the interaction between local factors and other global change drivers such as land use change, atmospheric CO2 increase and nitrogen deposition. While recent studies suggest that tree growth in cool temperate forests has accelerated during the last decades of the 20th century, other studies suggest a prevalence of declining growth, especially in dry-edge populations. Materials and Methods: Using historical forest inventories, we analyzed last century tree growth trends (1930-2010) along an elevation gradient (1350-1900 meters above sea level (ma.s.l.)) in a dry edge scots pine (Pinus sylvestris L.) forest in Central Iberian Peninsula. Growth was estimated as decadal volume increments in harvested trees of different size classes from 1930 to 2010 (1930-1940, 1939-1949, 1949-1959, 1959-1968, 1989-1999, 2000-2010). Results: Our results showed opposite growth trends over time depending on elevation. While tree growth has accelerated in the low end of the altitudinal gradient, tree growth slowed down at higher elevations (1624-1895 ma.s.l.). Moreover, the magnitude of growth reduction along the altitudinal gradient increased with tree age. Conclusions: Throughout the last 80 years, growth trends in a rear-edge Pinus. sylvestris forest has shown divergent patterns along an altitudinal gradient. Specifically, environmental conditions or other factors, may have become more adverse for growth at high altitudes and have improved at low altitudes. This suggests that local factors such as topography can modulate the impact of climate change on forest ecosystems.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/140751
Appears in Collections:过去全球变化的重建

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作者单位: 1.Univ Alcala De Henares, Forest Ecol & Restorat Grp, Madrid 28801, Spain
2.Univ Geneva, Inst Environm Sci, Climate Change Impacts & Risks Anthropocene, 66 Blvd Carl Vogt, CH-1205 Geneva, Switzerland

Recommended Citation:
Fernandez-Perez, Laura,Zavala, Miguel A.,Villar-Salvador, Pedro,et al. Divergent Last Century Tree Growth along An Altitudinal Gradient in A Pinus sylvestris L. Dry-edge Population[J]. FORESTS,2019-01-01,10(7)
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