干旱区研究2017，Vol.34Issue(4)：823-831,9.DOI:10.13866/j.azr.2017.04.15
阿拉善荒漠区5种植物叶片性状的季节动态
Seasonal Variation of Leaf Traits of Five Eremophyte Species in the Alxa Desert
摘要
Abstract
The research on leaf traits of plants was focused on by many experts in plant ecology field.In this study,five eremophyte species including Zygophyllum xanthoxylum,Arnmopiptanthus mongolicus,Ceratoides latens,Nitraria tangutorum and Cleistogenes songorica in the Alxa Desert were chosen as the research objects to constantly observe their phenophase by collecting leaves and analyzing the seasonal variation of leaf traits.Results are as follows:① The alteration of leaves of the five eremophyte species was different in growing season,and even if that of the shrubs in the same life forms;② There were the significant power equation curves of ILA and ILM of leaves of a single plant species and at overall level;③ The contents of leaf elements (C,N,P,K,Ca,Na and Mg) fluctuated significantly in growing season,but the monthly variation of the contents of four trace elements (Fe,Mn,Zn and Cu) was low,and the Zn and Cu contents in leaves of the five eremophyte species were low.The variable coefficient of element contents of leaves was in an order of Na ＞ K ＞ P ＞ Mg ＞ Zn ＞ Ca ＞ Fe ＞ Cu ＞ N ＞ Mn ＞ C;④ At the species level,the correlations among the five plant species were quite different,the ILM,ILA and LMA of Z.xanthoxylum and N.tangutorum were significantly affected by the elements,but those of A.mongolicus were affected slightly.关键词
植物/叶片性状/元素含量/季节动态/相互关系/阿拉善Key words
eremophyte/leaf trait/element content/seasonal dynamics/correlation/Alxa Desert引用本文复制引用
任运涛,张晨曦,尚占燕,贺磊,吴淑娟,张宝林,李金博,傅华,牛得草..阿拉善荒漠区5种植物叶片性状的季节动态[J].干旱区研究,2017,34(4):823-831,9.基金项目
国家重点研发计划(2016YFC0500506 （）
2014CB138703) （）
中国科学院战略性先导科技专项“应对气候变化的碳收支认证及相关问题”(XDA05050406-8) （XDA05050406-8）
高等学校博士学科点专项科研基金(20120211110029) （20120211110029）
国家科技基础性工作专项(2012FY111900) （2012FY111900）
长江学者和创新团队发展计划(IRT13019) （IRT13019）
兰州大学中央高校基本科研业务费专项资金资助(lzujbky-2015-190 （）
lzujbky-2016-13) （）
广东省省级科技计划项目(2015B090904008)资助 （2015B090904008）
