Climate Sensitivity and Tree Growth Patterns in Subalpine Spruce-Dominated Forests of the North-Western Dinaric Alps

被引:1
作者
Oreskovic, Marko [1 ]
Trlin, Domagoj [1 ]
Anic, Igor [1 ,2 ]
Orsanic, Milan [1 ]
Prsa, Luka [1 ]
Mikac, Stjepan [1 ]
机构
[1] Univ Zagreb, Fac Forestry & Wood Technol, Dept Forest Ecol & Silviculture, Svetosimunska cesta 23, Zagreb 10000, Croatia
[2] Croatian Acad Sci & Arts, Zrinski Trg 11, Zagreb 10000, Croatia
关键词
dendrochronology; climate change; tree ring width; basal area increment (BAI); climate sensitivity; NORWAY SPRUCE; PICEA-ABIES; TATRA MOUNTAINS; RESPONSES; GRADIENT; VULNERABILITY; DRIVERS; SITE; AGE;
D O I
10.3390/f15111972
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
The mountain forests in Europe, especially the ecosystems dominated by Norway spruce [Picea abies (L.) Karst], are facing major challenges due to climate change. Climatic stress factors such as increased temperatures and drought contribute to reduced growth and increased mortality, especially at lower altitudes. In this study, which was conducted in the northern Velebit region, the growth dynamics and climate sensitivity of Norway spruce were analyzed using standard dendrochronological methods. The focus was on samples collected at altitudes between 1135 and 1545 m. The results show two different growth trends: a positive trend from 1950 to 1977, followed by a negative trend from 1977 to 2013. Precipitation proved to be a key factor for the stability of spruce growth, while the high summer temperatures of the previous year correlated negatively with growth increment. In addition, trees at higher altitudes showed greater resistance to climatic stress. These results underline the crucial role of precipitation and site-specific conditions in maintaining the vitality of spruce forests in mountainous regions, and suggest that climate change could further destabilize spruce ecosystems in the Dinaric Alps.
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页数:18
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