文献类型：期刊文献

中文题名：带状抚育间伐对辽东落叶松人工林生长及部分土壤养分指标的影响

英文题名：Effect of Strip Tending Thinning on the Growth and Some Soil Nutrient Indexes of Larch Plantation in Eastern Liaoning Province

作者：冯健[1] 王骞春[1] 郑颖[1] 陆爱君[1] 于世河[1] 王月婵[1] 陈东升[2]

第一作者：冯健

机构：[1]辽宁省林业科学研究院,辽宁沈阳110032;[2]中国林业科学研究院林业研究所,北京100091

年份：2021

卷号：41

期号：4

起止页码：11-17

中文期刊名：西南林业大学学报：自然科学

收录：CSTPCD;;北大核心:【北大核心2020】；

基金：“十三五”国家重点研发计划(2017YFD0600401)资助。

语种：中文

中文关键词：落叶松人工林;带状抚育间伐;生长因子;土壤养分

外文关键词：larch plantation;strip tending thinning;growth factor;soil nutrient

分类号：S753

摘要：为了揭示带状抚育间伐对落叶松人工林生长和土壤养分的影响,以落叶松人工林为研究对象,对其进行不同方式带状抚育间伐,并补植不同树种形成混交林,经过10 a生长后,对林木生长因子和林地主要土壤养分指标进行测定和分析。结果表明:STⅠ和STⅡ的胸径、单株材积和冠幅均比CK有显著的提高,其中,胸径分别提高了25.80%和19.63%,单株材积分别提高了53.01%和31.68%;冠幅分别提高了49.29%和45.99%;而STⅠ和STⅡ之间各生长因子差异不显著,总体上STⅠ各生长因子优于STⅡ各生长因子。不同的补植树种均对落叶松林木各生长因子影响不显著。落叶松人工林经过带状抚育间伐并补植不同树种后改善了落叶松干形。带状抚育间伐提高了林地土壤养分,尤其是全磷和有效磷的含量,STⅠ和STⅡ的0~10 cm土层中全磷和有效磷含量分别是CK的1.91倍和2.13倍、2.22倍和1.62倍,10~20 cm土层中全磷和有效磷含量分别是CK的1.91倍和2.13倍、1.79倍和1.44倍。相关分析表明,林木生长因子与土壤养分间存在一定相关性,其中,林木生长因子与土壤值pH、磷含量有较强的相关性。综上所述,带状抚育间伐方式促进了落叶松人工林的生长和土壤养分的积累。
To study the effect of strip tending thinning on the growth of larch plantation and soil nutrient,larch plantation was taken as study object, different types of strip tending thinning were conducted with different species repair planted, growth factors and indexes of soil nutrient were determined and analyzed after 10 years.The results showed that DBH, individual volume and crown width of STⅠ and STⅡ were significantly higher than those of CK, DBH increased by 25.8% and 19.63%, individual volume increased by 53.01% and 31.68%, crown width increased by 49.29% and 45.99%, respectively;difference between growth factors of STⅠ and STⅡ was not significant, STⅠ was better than STⅡ on the whole. Effect of different repair planted species on growth factors of larch stands was not significant. The stem form of larch in the larch plantation was improved by strip tending thinning and repair planting. Strip thinning improved stand soil nutrient, especially the total phosphorus and available phosphorus content. In 0–10 cm soil, total phosphorus and available phosphorus content of STⅠ and STⅡ were 1.91 and 2.13 times, 2,22 and 1.62 times that of CK;in 10–20 cm soil, total phosphorus and available phosphorus content of STⅠ and STⅡ were 1.91 and 2.13 times, 1,79 and 1.44 times that of CK. Correlation analysis indicated that forest growth factor has correlation with soil nutrient, among which, growth factors have strong correlation with soil pH and phosphorus content. In a word, strip tending thinning may promote the growth of larch plantation and soil nutrient accumulation.