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ring growth
Based on the tree-ring growth characteristics of Erman's birch (Betula ermanii charm.) and the relationships between it and climatic factors at elevation of 1950m, the sensitivity of tree lines in Changbai Mountain to climatic factors was assessed.
      
However, difference from other study sits is that the main climatic control factor on tree-ring growth was not current growth season temperatures, as might be expected, but previous winter and current March temperature.
      
Although the precipitation in the region was quite abundant, the tree-ring growth was still significantly correlated with the precipitation during previous winter and current spring.
      
Four trees of nearly uniform ring growth were also studied for some characteristics.
      
Tree ring growth was typically >amp;lt;0.4 mm/year since the 1850s and >amp;lt;0.3 mm/year during a prolonged and severe drought in the 1960s.
      
Drought responses of conifers in ecotone forests of northern Arizona: tree ring growth and leaf δ13C
      
The irrigation significantly increased leaf net assimilation, stomatal conductance and needle and tree-ring growth rate, and markedly decreased needle and tree-ring δ13C values and its sensitivity to environmental parameters.
      
The frequency of the outbreaks was determined using singular spectral analysis and superposed epoch analysis was used to test the significance of the associations between outbreaks and tree-ring growth.
      
The relationship between seasonal changes in tree-ring structure and 13C composition can be used to study carbon storage and re-allocation, which is important for improving models of tree-ring growth and carbon isotope fractionation.
      
These results are consistent with the known dynamics of tree-ring growth in high latitudes and mechanisms of tree-ring formation.
      
Age-dependent tree-ring growth responses to climate in Qilian juniper (Sabina przewalskii Kom.)
      
Strong signals of winter precipitation and NAO are found in the low-frequency components of tree-ring growth.
      
Variations in tree ring growth of Quercus suber L.
      
Annual ring growth of the sample trees showed neither intervention nor growth reduction, which implies strong environmental stress that may cause mortality in PAA trees.
      
The four upper forest border chronologies all show an anomalous increase in growth since the late 19th century, and an apparent change in climate control of ring growth.
      
Response function and correlation analyses showed that spring precipitation (May-June) is the critical limiting factor for tree-ring growth, and temperature in prior November may also play a role in affecting tree-ring growth.
      
We find evidence for a modulation period of the annual ring growth widths on time scale of 11 y to 15 y.
      
BC is a volume producer of slower growing, larger trees that have denser ring growth--considered more attractive for value-added products.
      
Dendrochronology Reconstruction of Droughts Dendroclimatology is the dating of climatic past events through the study of tree ring growth.
      
In the Chewaucan River basin, 70 percent of the large fires after 1700 were preceded by 2 years of above-average tree ring growth.
      
 

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