首页> 外文期刊>Central European Forestry Journal >Effect of climate and air pollution on radial growth of mixed forests: Abies alba Mill. vs. Picea abies (L.) Karst.
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Effect of climate and air pollution on radial growth of mixed forests: Abies alba Mill. vs. Picea abies (L.) Karst.

机译:气候与空气污染对混合林径向生长的影响:Abies Alba Mill。 vs. picea abies(L.)喀斯特。

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Norway spruce ( Picea abies [L.] Karst.) and silver fir ( Abies alba Mill.) are main tree species of Central Europe that are currently highly vulnerable in times of global climate change. The research deals with the effect of climate and air pollution on radial growth of silver fir and Norway spruce in mixed age-varied (56 – 146 years) forests in the Jeseníky Protected Landscape Area, the Czech Republic. The objectives were to evaluate biodiversity, structure and production, specifically interaction of radial growth of fir and spruce to air pollution (SOsub2/sub, NOsubX/sub, tropospheric ozone) and climatic factors (precipitation, air temperature). Concentration of SOsub2/sub and NOsubX/sub had negative effect on radial growth of fir, while radial growth of spruce was more negatively influenced by tropospheric ozone. Fir showed higher variability in radial growth and was more sensitive to climatic factors compared to spruce. On the other hand, fir was relatively adaptable tree species that regenerated very well when the pressure of stress factors subsided (air pollution load, Caucasian bark beetle, frost damage). Low temperature was a limiting factor of radial growth in the study mountainous area, especially for fir. Fir was significantly sensitive to late frost, respectively, spruce to winter desiccation and spring droughts with synergism of air pollution load. Generally, older forest stands were more negatively influenced by air pollution load and climatic extremes compared to young trees.
机译:挪威云杉(Picea Abies [L.]喀斯特。)和Silver FIR(Abies Alba Mill。)是中欧的主要树种,目前在全球气候变化时期高度脆弱。该研究涉及气候和空气污染对捷克共和国Jeseníky保护景观地区混合年龄(56至146岁)森林的银杉和挪威云杉的径向生长。目标是评估生物多样性,结构和生产,特别是冷杉的径向生长的相互作用,并云核到空气污染(所以 2 ,No x ,拓扑臭氧)和气候因子(降水,气温)。浓度为 2 ,NO x 对冷杉的径向生长产生负面影响,而云杉的径向生长受到对流层臭氧的影响更大。与云杉相比,FIR在径向生长中显示出更高的变异性,对气候因子更敏感。另一方面,冷杉是相对适应的树种,当压力因子压力(空气污染负荷,白种人吠甲虫,霜损伤)的压力时,再生得非常适应。低温是研究山区径向生长的限制因素,特别是对于冷杉。 FIR分别对晚期霜冻显着敏感,冬季干燥和春季干旱,具有空气污染载荷的协同作用。一般来说,与幼树相比,较旧的森林站本更受气息造成负荷和气候极端的负面影响。

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