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CLIMATE AND SILVICULTURAL IMPLICATIONS IN MODIFYING STAND COMPOSITION IN MIXED FIR-PINE STANDS
Journal of Sustainable Forestry ( IF 1.6 ) Pub Date : 2019-10-31 , DOI: 10.1080/10549811.2019.1686030
Ferhat Kara 1 , John M. Lhotka 2
Affiliation  

ABSTRACT A growing concern exists over the decreasing proportion of Scots pine (Pinus sylvestris L.) trees in mixed Trojan fir (Abies nordmanniana subsp. equi-trojani [Asch. & Sint. Ex Boiss] Coode & Cullen)-Scots pine forests in northern Turkey. Given the changes in mean annual temperature and annual precipitation for the last 40 years in the region, understanding of the sensitivity of Trojan fir and Scots pine trees to changing climate seems to be critical so that better management strategies can be developed against the potential climate extremes of the future in the region. Moreover, our knowledge on the influence of current silvicultural methods on seedling density and growth in these forests is limited. Therefore, in this study, the growth response (i.e., radial growth) of Trojan fir and Scots pine trees to the changing climate were examined. In addition, the influence of current silvicultural practices on seedling growth and density in these forests was also monitored. Trojan fir appeared more sensitive to the climatic variables (i.e., temperature and precipitation) than Scots pine in the region. It was also found that the current silvicultural practices might favor Trojan fir over Scots pine in these forests. Natural dynamics and current silvicultural implications would benefit Trojan fir, however, given the species’ potential sensitivity to the changing climate, current silvicultural approaches can be modified to favor Scots pine, and to increase the resilience of these forests against climate extremes expected in the region’s future.

中文翻译:

改变混合杉松林地林地组成的气候和森林文化影响

摘要 越来越多的关注存在混合特洛伊冷杉 (Abies nordmanniana subsp. equi-trojani [Asch. & Sint. Ex Boiss] Coode & Cullen)-北部苏格兰松林中苏格兰松 (Pinus sylvestris L.) 树木的比例下降火鸡。鉴于该地区过去 4​​0 年的年平均气温和年降水量的变化,了解特洛伊冷杉和苏格兰松树对气候变化的敏感性似乎至关重要,以便可以针对潜在的极端气候制定更好的管理策略该地区的未来。此外,我们对当前造林方法对这些森林中幼苗密度和生长的影响的了解是有限的。因此,在本研究中,生长反应(即 研究了特洛伊冷杉和苏格兰松树的径向生长对气候变化的影响。此外,还监测了当前造林做法对这些森林中幼苗生长和密度的影响。与该地区的苏格兰松相比,特洛伊冷杉对气候变量(即温度和降水)似乎更敏感。还发现,在这些森林中,目前的造林做法可能更偏爱特洛伊冷杉而不是苏格兰松。自然动态和当前的造林影响将有益于特洛伊冷杉,但是,鉴于该物种对气候变化的潜在敏感性,可以修改当前的造林方法以有利于苏格兰松,并提高这些森林对预计在该地区出现的极端气候的恢复能力未来。还监测了当前造林做法对这些森林中幼苗生长和密度的影响。与该地区的苏格兰松相比,特洛伊冷杉对气候变量(即温度和降水)似乎更敏感。还发现,在这些森林中,目前的造林做法可能更偏爱特洛伊冷杉而不是苏格兰松。自然动态和当前的造林影响将有利于特洛伊冷杉,然而,鉴于该物种对气候变化的潜在敏感性,可以修改当前的造林方法以有利于苏格兰松,并提高这些森林对预计在该地区出现的极端气候的恢复能力未来。还监测了当前造林做法对这些森林中幼苗生长和密度的影响。与该地区的苏格兰松相比,特洛伊冷杉对气候变量(即温度和降水)似乎更敏感。还发现,在这些森林中,目前的造林做法可能更偏爱特洛伊冷杉而不是苏格兰松。自然动态和当前的造林影响将有益于特洛伊冷杉,但是,鉴于该物种对气候变化的潜在敏感性,可以修改当前的造林方法以有利于苏格兰松,并提高这些森林对预计在该地区出现的极端气候的恢复能力未来。温度和降水)比该地区的苏格兰松。还发现,在这些森林中,目前的造林做法可能更偏爱特洛伊冷杉而不是苏格兰松。自然动态和当前的造林影响将有益于特洛伊冷杉,但是,鉴于该物种对气候变化的潜在敏感性,可以修改当前的造林方法以有利于苏格兰松,并提高这些森林对预计在该地区出现的极端气候的恢复能力未来。温度和降水)比该地区的苏格兰松。还发现,在这些森林中,目前的造林做法可能更偏爱特洛伊冷杉而不是苏格兰松。自然动态和当前的造林影响将有益于特洛伊冷杉,但是,鉴于该物种对气候变化的潜在敏感性,可以修改当前的造林方法以有利于苏格兰松,并提高这些森林对预计在该地区出现的极端气候的恢复能力未来。
更新日期:2019-10-31
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