雪灾对鲁南地区侧柏林的影响  

The influence of snowstorm on Platycladus orientalis plantations in southern Shandong

作　　者：王旋[1] 曹帮华[2] 毛培利[1] 王树梅[1] 曹振玉[1] 姜仟坤 

机构地区：[1]山东农业大学山东省高校森林培育重点实验室,山东泰安271018 [2]国家林业局泰山森林生态系统定位研究站,山东泰安271018

出　　处：《生态学杂志》2017年第6期1509-1514,共6页Chinese Journal of Ecology

基　　金：山东省重点研发计划项目(2015GNC111026)资助

摘　　要：以山东省枣庄市抱犊崮林场侧柏人工林为研究对象,采用典型抽样方法调查了特大雪灾后林木的受灾程度,探讨了坡向、海拔和林分结构特征对受灾程度的影响,以期为人工林雪灾预防提供理论依据。结果表明:侧柏林受灾程度极显著受到坡向和海拔的影响;从坡向看,阳坡受灾程度比阴坡严重;从海拔上看,阳坡高海拔地区比低海拔地区雪害情况严重,但阴坡不同海拔之间雪灾没有显著差异;从林分结构看,阳坡6~18 cm径阶的林木受损情况较严重,而阴坡不同胸径的林木受灾程度无显著差异。相关分析表明,受灾程度与树高呈显著负相关(除阴坡海拔296 m),但与其他林分结构指标的相关性随坡向和海拔的变化而变化。因此,立地条件与林分结构的共同作用是影响该地区侧柏林受灾的主要因素。In order to provide a theoretical basis for snowstorm prevention of forest plantations in Shandong Province, the degree of snow harm of Platyclad＇ orientalis plantations in Baodugu Forest Farm in Zaozhuang City was investigated using typical sampling method and the influence of slope, elevation and stand structure character on the degree of snow harm was explored. The re- sults showed that the damage degree of P. orientalis plantations was significantly influenced by the slope and elevation. P. orientalis plantations exhibited more seriously than on the shady slope. Similarly, the damage damage on the sunny slope degree at the high elevation was more serious than at the low elevation. The trees with the diameter at breast height （DBH） from 6 to 18 cm were more vulnerable to the damage on the sunny slope, whereas no significant effects were observed on the shady slope. Correlation analyses showed that damage degree was significantly negatively correlated with tree height （ except altitude 296 m of the shade slope）, whereas its correlations to other stand structure characters varied with slope direction and altitude. Therefore, the combination of site condition and stand structure was the main factor affecting the snow disaster of the P. orientalis plantations in this area.

关 键 词：雪灾 侧柏 坡向 海拔 林分结构 

分 类 号：S761[农业科学—森林保护学] S791.38[农业科学—林学]