College of Forestry, Henan Agricultural University, Zhengzhou 450002, China.
Baotianman National Nature Reserve, Nanyang 474420, Henan, China.
Ying Yong Sheng Tai Xue Bao. 2023 May;34(5):1178-1186. doi: 10.13287/j.1001-9332.202305.004.
Funiu Mountains are located in a transition region between warm temperate zone and northern subtropical region, where a variety of plant species are distributed with sensitive response to climate change. Their response characteristics to climate change are still unclear. We developed the basal area increment (BAI) index chronologies of , , and in the Funiu Mountains to examine their growth trend and their sensitivity to climatic change. The results showed that the BAI chronologies gave a clue that the three conife-rous species had similar radial growth rate. The large Gleichlufigkeit (GLK) indices among the three BAI chronologies also indicated that the three species had a similar growth trend. Results of correlation analysis showed that the three species also had similar response to climatic change to a certain extent. Radial growth of all the three species was significantly positively correlated with the total monthly precipitation in December of previous year and June of the current year, but negatively correlated with the precipitation in September and the mean monthly temperature in June of the current year. There were some differences in the responses of the three coniferous to climate change. had a significant negative correlation with the mean temperature in March, and a significant positive correlation with the precipitation in March, while and were affected negatively by the maximum temperature in August. Results of the moving correlation analysis showed that the three coniferous species had some similar sensitivity to climate change. Their positive responses to precipitation in previous December consistently increased, as well as the negative correlation with precipitation in current September. As to , they had a relatively stronger climatic sensitivity and higher stability than the other two species. It would be more suitable for trees on the southern slope of the Funiu Mountains under global warming.
伏牛山位于暖温带和北亚热带的过渡地带，分布着多种植物物种，对气候变化的响应非常敏感。然而，它们对气候变化的响应特征尚不清楚。本研究利用伏牛山华山松、白皮松和油松的胸径年际生长量（BAI）指数序列，探讨了这 3 种针叶树种的生长趋势及其对气候变化的敏感性。结果表明：3 种树木的 BAI 指数序列具有相似的径向生长率；较大的 Glichlaufigkeit（GLK）指数表明 3 种树木具有相似的生长趋势；相关分析结果表明，3 种树木在一定程度上对气候变化也具有相似的响应。3 种树木的径向生长均与上年 12 月和当年 6 月的总月降水量呈显著正相关，与当年 9 月的降水量和 6 月的月平均温度呈显著负相关。3 种针叶树种对气候变化的响应存在一定差异，华山松与 3 月的平均温度呈显著负相关，与 3 月的降水量呈显著正相关，而白皮松和油松则受到 8 月最高温度的负面影响。移动相关分析结果表明，3 种针叶树种对气候变化具有一定的相似敏感性。它们对上年 12 月降水的正响应持续增加，而对当年 9 月降水的负相关也持续增加。对于油松来说，它比其他两种树木具有更强的气候敏感性和更高的稳定性，在全球变暖的情况下，更适合生长在伏牛山南侧。
