[1]姜路喜,杨安定,岳亚军,等. 生态化学计量特征对松栎混交林生产力的影响[J].西北林学院学报,2018,33(5):31-37.[doi:10.3969/j.issn.1001-7461.2018.05.05]
　JIANG Lu-xi,YANG An-ding,YUE Ya-jun,et al. Effects of Community Stoichiometric Characteristics on the Productivity of A Pine-Oak Mixed Forest in the Qinling Mountains[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2018,33(5):31-37.[doi:10.3969/j.issn.1001-7461.2018.05.05]
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 生态化学计量特征对松栎混交林生产力的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第33卷
期数:
2018年第5期
页码:
31-37
栏目:
出版日期:
2018-09-30

文章信息/Info

Title:
 Effects of Community Stoichiometric Characteristics on the Productivity of A Pine-Oak Mixed Forest in the Qinling Mountains
文章编号:
1001-7461(2018)05-0031-07
作者:
 姜路喜1; 杨安定2; 岳亚军2; 侯琳1; 3*; 张硕新1; 3*
 （1.西北农林科技大学 林学院，陕西 杨陵 712100; 2.陕西省宝鸡市马头滩林业局，陕西 宝鸡 721702; 3.陕西秦岭森林生态系统国家野外科学观测研究站，陕西 杨陵 712100）
Author(s):
 JIANG Lu-xi1; YANG An-ding2; YUE Ya-jun2; HOU Lin1; 3*; ZHANG Shuo-xin1; 3*
 （1.College of Forestry,Northwest A&F University,Yangling,Shaanxi 712100,China; 2.Matoutan Forestry Bureau of Baoji ,Baoji,Shaanxi 721702,China; 3.Qinling National Forest Ecosystem Research Station,Yangling,Shaanxi 712100,China)
关键词:
 ; 秦岭; 松栎混交林; 群落生产力; 生态化学计量学
Keywords:
 ; Qinling Mountains;  pine-oak mixed forest;  community productivity;  ecological stoichiometry
分类号:
S758.8
DOI:
10.3969/j.issn.1001-7461.2018.05.05
文献标志码:
A
摘要:
 森林群落生产力对森林生态系统功能具有重要影响，化学计量特征反映了植物对营养元素的吸收能力，从而对森林群落生产力产生影响。以秦岭松栎混交林群落为对象，测定优势乔木、灌木和草本叶片及林地(0~10 cm)土壤的N与P含量，探讨了松栎混交林群落生态化学计量特征对其群落生产力的影响。结果表明：1）群落的N与P含量间呈现极显著正相关关系(P<0.001)；2）群落生产力与生态化学计量特征指标间的关系不显著（P>0.05），群落生产力随着N含量的增加而降低，随着群落P含量增加群落的生产力降低，群落生产力随其N∶P比增大而增大；3）群落生产力与N∶P比值存在显著相关关系(P<0.05)；4）研究区优势植物种生长主要受到土壤N元素的限制。
Abstract:
 The forest community productivity has an important influence on the forest ecosystem function,thus the stoichiometric characteristics reflect plant’s ability to absorb nutrients,affect the forest community productivity.We studied the relationship between the community productivity and the ecological stoichiometry of pine-oak mixed forest in Qinling Mountains by determining the contents of N and P in leaves of the dominant arbors,shrubs,herbs and soil (0-10 cm).The results showed that 1) there were positive correlations between the contents of N and P (P<0.001); 2) The relationship between community productivity and ecological stoichiometric index was not significant (P>0.05),the community productivity decreased with the increase of N content,as the community P content increased,the productivity of the community decreased,community productivity added with its N∶P ratio increase; 3) The relationship between the community productivity and the ratio of N∶P was significant (P<0.05); 4) Dominant plant was limited by soil N during the growing processes.

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备注/Memo

备注/Memo:
 收稿日期：2017-11-23修回日期：2017-12-22
基金项目：国家林业公益性行业专项（201304307）。
作者简介：姜路喜，男，硕士研究生，研究方向：森林生态。E-mail:18821656215@163.com
*通信作者：侯琳，男，副研究员，硕士生导师，研究方向：森林生态系统结构与功能。E-mail:houlin_1969@nwsuaf.edu.cn
张硕新，男，教授，博士生导师，研究方向：森林生态和生理生态。E-mail:sxzhang@nwsuaf.edu.cn
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