期刊
TREE-RING RESEARCH
卷 79, 期 2, 页码 50-59出版社
TREE-RING SOC
DOI: 10.3959/2022-12
关键词
Black Sea; Pinus nigra; dendrochronology; latewood; earlywood; climate
类别
This article summarizes a dendroclimatological study of subannual P. nigra ring width and suggests the potential use of tree rings to study the impact of climate change on tree growth in the Black Sea region of Turkey.
Black pine (Pinus nigra) is a widely distributed tree species across southern Europe and Asia Minor. This article summarizes a dendroclimatological study of subannual P. nigra ring width conducted during an international summer course Tree Rings, Climate, Natural Resources, and Human Interaction in 2022. Increment cores were collected from 15 young (oldest 105 years) P. nigra trees in the Arac Forest District inKastamonu Province, Turkey. Site chronologies of earlywood (EW) and latewood (LW) width were developed to investigate climatic signals using correlation analysis. Results show thatEWand LW chronologies are significantly correlated with one another (r = 0.56, n = 105, p < 0.001) and positively correlated with precipitation in the months April-September of the growth year. The month of strongest correlation shifts from April for EW to July for LW. Analysis of seasonally aggregated climate data further shows that EW but not LW responds positively to precipitation in the preceding summer (July-September). These results suggest that future tree-ring studies aimed at tree-growth impact of climate change in the Black Sea region of Turkey exploit the climate signal in subannual ring widths of P. nigra.
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