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Articles by Una Neimane
Category : Research note
article id 1255,
category
Research note
(2015).
Relationships between climatic variables and tree-ring width of European beech and European larch growing outside of their natural distribution area.
Silva Fennica
vol.
49
no.
1
article id 1255.
https://doi.org/10.14214/sf.1255
Keywords:
Fagus sylvatica;
introduced species;
wood increment;
climatic limitation;
Latvia;
Larix decidua
Highlights:
In western Latvia, variation of tree-ring width of European beech and European larch within stands was similar; Dry summers and cold winters caused common event years in tree-rings; Moisture availability at the end of summer was apparently the main limiting factor for tree-ring width; Winter and spring temperature did not have significant and lasting effect on variation of tree-ring width.
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Relationships between climatic variables and tree-ring width (TRW) of dominant European larch (Larix decidua Mill.) and European beech (Fagus sylvatica L.) trees growing outside of their natural distribution area in western Latvia were studied. Chronologies of TRW, which covered the periods 1949–2012 and 1911–2012, were produced for beech and larch, respectively. Common signatures in TRW between both species were observed, but their amplitude differed. Correlation analysis showed that variation of TRW of both species was affected by drought related climatic variables. Tree-ring width of beech was affected by temperature in the previous July and August and the effect of spring and autumn temperature was observed. Since the 1980s, the effect of July precipitation has become significant. Summer precipitation was significant for larch in the mid-part of the previous century; however, temperature in the previous September has become a limiting factor since 1970s. The limiting effect of winter and spring temperature apparently lost its significance around the 1950s.
- Jansons, LSFRI „SILAVA”, Rigas Str. 111, Salaspils, Latvia, LV2169 E-mail: aris.jansons@silava.lv
-
Matisons,
LSFRI „SILAVA”, Rigas Str. 111, Salaspils, Latvia, LV2169
E-mail:
robism@inbox.lv
- Puriņa, LSFRI „SILAVA”, Rigas Str. 111, Salaspils, Latvia, LV2169 E-mail: liga.purina@silava.lv
- Neimane, LSFRI „SILAVA”, Rigas Str. 111, Salaspils, Latvia, LV2169 E-mail: una.neimane@silava.lv
- Jansons, Forest Competence Centre, Dzerbenes str. 27, Riga, Latvia, LV1006 E-mail: janis.jansons@mnkc.lv
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