scholarly journals Age-Effect Radial Growth Responses of Picea schrenkiana to Climate Change in the Eastern Tianshan Mountains, Northwest China

Forests ◽  
2017 ◽  
Vol 8 (9) ◽  
pp. 294 ◽  
Author(s):  
Liang Jiao ◽  
Yuan Jiang ◽  
Mingchang Wang ◽  
Wentao Zhang ◽  
Yiping Zhang
Keyword(s):  
Climate Change ◽  
Radial Growth ◽  
Northwest China ◽  
Age Effect ◽  
Tianshan Mountains ◽  
Growth Responses ◽  
Eastern Tianshan ◽  
Picea Schrenkiana

Responses to climate change in radial growth of Picea schrenkiana along elevations of the eastern Tianshan Mountains, northwest China

2016 ◽  
Vol 40 ◽  
pp. 117-127 ◽  
Author(s):  
Liang Jiao ◽  
Yuan Jiang ◽  
Mingchang Wang ◽  
Xinyu Kang ◽  
Wentao Zhang ◽  
...  
Keyword(s):  
Climate Change ◽  
Radial Growth ◽  
Northwest China ◽  
Tianshan Mountains ◽  
Eastern Tianshan ◽  
Picea Schrenkiana

Divergent responses to climate factors in the radial growth of Larix sibirica in the eastern Tianshan Mountains, northwest China

Trees ◽  
2015 ◽  
Vol 29 (6) ◽  
pp. 1673-1686 ◽  
Author(s):  
Liang Jiao ◽  
Yuan Jiang ◽  
Wen-Tao Zhang ◽  
Ming-Chang Wang ◽  
Ling-Nan Zhang ◽  
...  
Keyword(s):  
Radial Growth ◽  
Northwest China ◽  
Tianshan Mountains ◽  
Larix Sibirica ◽  
Climate Factors ◽  
Eastern Tianshan

scholarly journals Radial Growth Adaptability to Drought in Different Age Groups of Picea schrenkiana Fisch. & C.A. Mey in the Tianshan Mountains of Northwestern China

Forests ◽  
2020 ◽  
Vol 11 (4) ◽  
pp. 455
Author(s):  
Liang Jiao ◽  
Xiaoping Liu ◽  
Shengjie Wang ◽  
Ke Chen
Keyword(s):  
Climate Change ◽  
Drought Stress ◽  
Old Age ◽  
Tree Species ◽  
Radial Growth ◽  
Forest Ecosystems ◽  
Middle Age ◽  
Age Groups ◽  
Tianshan Mountains ◽  
Picea Schrenkiana

Forest ecosystems are strongly impacted by extreme climate, and the age effects of radial growth under drought can provide profound understanding of the adaptation strategy of a tree species to climate change. Schrenk spruce (Picea schrenkiana Fisch. & C.A. Mey) trees of three age groups (young, middle-aged, and old) were collected to establish the tree-ring width chronologies in the eastern Tianshan Mountains of northwestern China. Meanwhile, we analyzed and compared the response and resistance disparities of radial growth to drought in trees of different age groups. The results showed that (1) drought stress caused by increasing temperatures was the main factor limiting the radial growth of Schrenk spruce, (2) the old and young trees were more susceptible to drought stress than the middle-aged trees, as suggested by the responses of Schrenk spruce trees and based on the SPEI (standardized precipitation evapotranspiration index), and (3) the difference of the resistance indexes (resistance, recovery, resilience, and relative resilience) of three age groups to drought supported that the resistance values were in the order middle age > young age > old age, but the recovery, resilience, and relative resilience values were in the order old age > young age > middle age. These results will provide a basis for the ecological restoration and scientific management of dominant coniferous tree species of different age groups in the sub-alpine forest ecosystems of the arid regions under climate change scenarios.

Intra-annual radial growth of Schrenk spruce ( Picea schrenkiana Fisch. et Mey) and its response to climate on the northern slopes of the Tianshan Mountains

2016 ◽  
Vol 40 ◽  
pp. 36-42 ◽  
Author(s):  
Ruibo Zhang ◽  
Yujiang Yuan ◽  
Xiaohua Gou ◽  
Tongwen Zhang ◽  
Chen Zou ◽  
...  
Keyword(s):  
Radial Growth ◽  
Tianshan Mountains ◽  
Picea Schrenkiana

scholarly journals Lodgepole pine and interior spruce radial growth response to climate and topography in the Canadian Rocky Mountains, Alberta

2021 ◽  
pp. 1-16
Author(s):  
Frances Ackerman ◽  
David Goldblum
Keyword(s):  
Climate Change ◽  
Rocky Mountains ◽  
Radial Growth ◽  
Growth Response ◽  
Lodgepole Pine ◽  
Slope Aspect ◽  
Climate Variables ◽  
Canadian Rocky Mountains ◽  
Growth Responses ◽  
Interior Spruce

Climate change may have spatially variable impacts on growth of trees in topographically diverse environments, making generalizing across broad spatial and temporal extents inappropriate. Therefore, topography must be considered when analyzing growth response to climate. We address these topo-climatic relationships in the Canadian Rocky Mountains, focusing on lodgepole pine (Pinus contorta Douglas ex Louden) and interior spruce (Picea glauca (Moench) Voss × Picea engelmannii hybrid Parry) growth response to climate, Palmer drought severity index (PDSI), aspect, and slope angle. Climate variables correlate with older lodgepole pine growth on south- and west-facing slopes, including previous August temperature, winter and spring precipitation, and previous late-summer and current spring PDSI, but younger lodgepole pine were generally less sensitive to climate. Climate variables correlate with interior spruce growth on all slope aspects, with winter temperature and PDSI important for young and old individuals. Numerous monthly growth–climate correlations are not temporally stable, with shifts over the past century, and response differs by slope aspect and angle. Both species are likely to be negatively affected by moisture stress in the future in some, but not all, topographic environments. Results suggest species-specific and site-specific spatiotemporally diverse climate–growth responses, indicating that climate change is likely to have spatially variable impacts on radial growth response in mountainous environments.

scholarly journals Radial Growth Response of Abies georgei to Climate at the Upper Timberlines in Central Hengduan Mountains, Southwestern China

Forests ◽  
2018 ◽  
Vol 9 (10) ◽  
pp. 606 ◽  
Author(s):  
Dingcai Yin ◽  
Derong Xu ◽  
Kun Tian ◽  
Derong Xiao ◽  
Weiguo Zhang ◽  
...  
Keyword(s):  
Climate Change ◽  
Radial Growth ◽  
Future Climate Change ◽  
Hengduan Mountains ◽  
Growth Responses ◽  
Negative Effects ◽  
Climate Trend ◽  
Positive Effects ◽  
Monthly Total Precipitation ◽  
The Relationship

Climate change has an inevitable impact on tree radial growth, particularly at mountain timeberlines. To understand climate effects on conifer radial growth in the central Hengduan Mountains, and the potential impacts of future climate change on conifer forests, we studied the growth responses to climate variables in Abies georgei, the major tree species of conifer forest in the Hengduan Mountains. We collected tree ring samples from four sites near the timberlines and analyzed the relationship between principle components (PC#1) of four chronologies and climatic variables (monthly mean temperature and monthly total precipitation) by using response function analysis (RFA), redundancy analysis (RDA), and moving interval analysis (MIA). A. georgei growth was affected by both temperature (positive effects) and precipitation (negative effects). Specifically, the radial growth of A. georgei was significantly and positively correlated with current July (by 6.1%) and previous November temperature (by 17.3%) (detected by both RFA and RDA), while precipitation of current June (by 6.6%) and September (by 11.7%) inhibited tree growth (detected by RDA). More rapid warming in the most recent 20 years (1990–2010) clearly enhanced growth responses to July and November temperature, whereas the relationship was weakened for June and September precipitation, according to MIA. Under the climate trend of the study area, if the increasing temperature could offset the negative effects of excessive precipitation, A. georgei radial growth would likely benefit from warming.

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