[1]张盟,任可,柳佳莹,等.林冠环境对沿海沙地竹子叶功能性状的影响[J].森林与环境学报,2021,41(06):561-569.[doi:10.13324/j.cnki.jfcf.2021.06.001]
 ZHANG Meng,REN Ke,LIU Jiaying,et al.Effects of different canopy conditions on bamboo leaf functional traits in a sandy coastal area[J].,2021,41(06):561-569.[doi:10.13324/j.cnki.jfcf.2021.06.001]
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林冠环境对沿海沙地竹子叶功能性状的影响()
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《森林与环境学报》[ISSN:2096-0018/CN:35-1327/S]

卷:
41卷
期数:
2021年06期
页码:
561-569
栏目:
出版日期:
2021-11-13

文章信息/Info

Title:
Effects of different canopy conditions on bamboo leaf functional traits in a sandy coastal area
作者:
张盟1 任可1 柳佳莹1 荣俊冬1 洪小龙2 郑郁善1
1. 福建农林大学林学院, 福建 福州 350002;
2. 福建省东山赤山国有防护林场, 福建 东山 363400
Author(s):
ZHANG Meng1 REN Ke1 LIU Jiaying1 RONG Jundong1 HONG Xiaolong2 ZHENG Yushan1
1. College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China;
2. Dongshan Chishan State-owned Shelter Forest Farm, Dongshan, Fujian 363400, China
关键词:
林冠竹类植物叶功能性状光环境表型可塑性
Keywords:
forest canopybambooleaf functional traitslight regimesphenotypic plasticity
分类号:
Q948
DOI:
10.13324/j.cnki.jfcf.2021.06.001
摘要:
为探究沿海沙地林下竹类植物叶功能性状的生态适应机制,以福建省东山县木麻黄(Casuarina equisetifolia)林下的矢竹(Pseudosasa japonica)、实肚竹(Phyllostachys nidularia f.farcata)和绿竹(Bambusa oldhami)为研究对象,分析不同林冠环境(大林窗、中林窗、林下)下叶功能性状的差异及其与林冠、土壤等环境因子的相关性。结果显示,3个竹种叶功能性状对林冠环境的响应存在差异。矢竹通过提高叶面积、比叶面积、叶干物质含量、氮磷钾含量等功能性状以便在弱光下更好地生长;实肚竹和绿竹的叶面积、叶厚、叶干物质含量则随林下光照强度的减弱而减小。3个竹种氮磷比均高于16,且磷含量均低于1.0 g·kg-1,其生长可能受到磷的限制。矢竹样地土壤有机碳、氮、磷含量均随林下光照强度的减弱而减小,实肚竹和绿竹样地的土壤养分状况与矢竹呈相反趋势。冗余分析排序结果表明天空视域因子和光照强度对3个竹种叶功能性状影响极显著(P<0.01),土壤磷含量对实肚竹叶功能性状影响极显著(P<0.01),土壤氮含量对矢竹、实肚竹叶功能性状影响显著(P<0.05)。研究结果可为沿海沙地林下引种竹类植物及沿海防护林可持续发展提供实践参考。
Abstract:
To investigate the ecological adaptation strategies of functional traits of bamboo leaves under different canopy conditions in sandy coastal areas, Pseudosasa japonica, Phyllostachys nidularia f. farcata, and Bambusa oldhami growing in a Casuarina equisetifolia forest in Dongshan County, Fujian Province were examined. The aims were to explore the differences in leaf functional traits as well as their correlations with environmental factors, such as forest canopy and soil. Functional traits of the leaves of the three bamboo species differed in the canopy condition. Area, specific area, dry matter content, nitrogen content, phosphorus content, and potassium content of P. japonica leaves were increased in the low light condition due to the forest canopy, which enabled improved growth. However, the area, thickness, and dry matter content of P. nidularia f. farcata and B. oldhami leaves decreased. The N:P ratio of the three bamboo species exceeded 16 and the phosphorus content was consistently less than 1.0 g·kg-1, indicating that growth was restricted by phosphorus. Soil organic carbon, nitrogen, and phosphorus contents in the experimental plots of P. japonica decreased in the low light condition. The opposite trend was evident for the soil nutrient contents in the experimental plots of P. nidularia f. farcata and B. oldhami. Redundancy analysis ranking revealed extremely significant influences of the sky view factor and light intensity on the functional traits of leaves of the three bamboo species(P<0.01). The soil phosphorus content extremely significantly affected leaf functional traits of P. nidularia f. farcata(P<0.01). The soil nitrogen content significantly affected the leaf traits of P. japonica and P. nidularia f. farcata(P<0.05). The results provide a practical reference for the introduction of bamboo under forest canopies in sandy coastal regions and the sustainable development of coastal shelter forests.

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备注/Memo

备注/Memo:
收稿日期:2021-07-21;改回日期:2021-10-05。
基金项目:福建省区域发展项目(2015N3015);福建省科技创新团队项目(闽教科2018[49]);福建农林大学科技创新发展基金项目(CXZX2017118)。
作者简介:张盟(1997-),女,硕士研究生,从事森林培育技术研究。Email:540336979@qq.com。
通讯作者:郑郁善(1960-),男,教授,博士生导师,从事森林培育学研究。Email:zys1960@163.com。
更新日期/Last Update: 1900-01-01