ZHANG Shanshan,ZHANG Xing,QU Yanting,et al.Study on Leaf Traits and Leaf Economic Spectrum of Lingering Garden[J].Northern Horticulture,2022,(14):57-65.[doi:10.11937/bfyy.20214781]
留园植物叶性状及其叶经济谱研究
- Title:
- Study on Leaf Traits and Leaf Economic Spectrum of Lingering Garden
- 文献标志码:
- A
- 摘要:
- 以苏州留园36种主要园林植物为试材，采用叶面积扫描仪、凯氏定氮仪等试验仪器测定和统计学分析方法，分析测定不同生活型植物的叶性状指标，研究了留园36种不同生活型植物叶性状的变异特征及其在功能结构上所采取的权衡策略，以期为区域生态恢复的物种选择提供参考依据。结果表明：植物叶性状变异系数范围为32.54%~116.08%，SLA变异系数最大，LDMC变异系数最小。主要叶性状关系为SLA与LT、LTD、LDMC、Narea呈极显著负相关(P＜0.01)。不同生活型植物叶性状之间有显著差异，变化范围较大。生活型中草本和藤本植物位于SLA大、LDMC低、Nmass高的快速投资-收益型物种的位置，而灌木和乔木位于SLA小、LDMC高、Nmass低的缓慢投资-收益型物种的位置。
- Abstract:
- Taking 36 main garden plants in Suzhou Lingering Garden as experimental materials,leaf traits indexes of plants with different life forms were analyzed and determined by leaf area scanner，Kjeldahl nitrogen analyzer and other experimental instruments and statistical analysis methods.The variation characteristics of leaf traits of 36 different life-form plants in Lingering Garden and their trade-off strategies in functional structure were studied,in order to provide reference for species selection of regional ecological restoration.The results showed that the coefficient of variation of plant leaf traits in the study was from 32.54% to 116.08%，the variation coefficient of SLA was the largest，while that of LDMC was the smallest.Among the main leaf traits，there were significant negative correlation between LT，LTD，LDMC，Nareaand SLA(P＜0.01).The leaf traits of plants varied widely，and the differences of different life forms plants were significant.Herbs and lianas in life form were located in the fast investment-returning species with high SLA，low LDMC，and high Nmass，while shrubs and arbors were located in the slow investment-returning species with low SLA，high LDMC，and low Nmass.
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备注/Memo
第一作者简介：张姗姗（1996-），女，硕士研究生，研究方向为地域生态环境与景观规划。E-mail:735680202@qq.com.责任作者：张兴（1968-），男，博士，教授，现主要从事地域生态环境与景观规划等研究工作。E-mail:2605@usts.edu.cn.基金项目：国家重点研发计划资助项目（2016YFC0500306）。收稿日期：2021-11-25