扎龙湿地不同生境芦苇分株构件生物量动态分析

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英文篇名：Dynamics of Component Biomass of Phragmites australis in Different Habitats in Zhalong Wetland 作者：徐嘉政 ; 于欣宇 ; 陈雨竹 英文作者：Xu Jiazheng;Yu Xinyu;Chen Yuzhu;College of Resources and Environment,Northeast Agricultural University;Life Science and Agriculture and Forestry College,Qiqihar University;College of Animal Science and Technology,Northeast Agricultural University; 关键词：芦苇 ; 分株 ; 构件 ; 生物量 英文关键词：reeds;;ramet;;members;;biomass 中文刊名：FHLK 英文刊名：Protection Forest Science and Technology 机构：东北农业大学资源与环境学院;齐齐哈尔大学生命科学与农林学院;东北农业大学动物科学技术学院; 出版日期：2018-06-15 出版单位：防护林科技 年：2018 期：No.177 语种：中文; 页：FHLK201806009 页数：4 CN：06 ISSN：23-1335/S 分类号：32-35

摘要

利用大样本取样方法,比较分析扎龙湿地4个生境芦苇分株构件的生物量动态及分配规律。结果表明,4个生境芦苇分株构件的生物量6—9月均呈逐渐升高的趋势,10月又均有降低。各构件生物量均以水生生境最高,其次是旱生生境和湿生生境,盐碱生境最低,差异和差异序位相对稳定。茎的生物量分配比率最高,为50.6%~61%,其次是叶片,为22.8%~28%,叶鞘最低,为16%~21.4%,生物量分配比率在生境间差异均不显著(P>0.05),芦苇分株构件生物量积累具有由遗传因素控制稳定的生物学特性,同时也具有受环境因素影响调节的生态学特性。
        The biomass dynamics & distribution of reed rams in four habitats in Zhalong Wetland were analyzed by using large sampling methods.Result shows that the biomass of the four habitat reed ramet components gradually increase from June to September and decrease again in October.The biomass of each component is highest in aquatic habitats,follows by dry and wet habitats.The saline-alkali habitat is the lowest,and the differences and difference hierarchy are relatively stable.The highest allocation ratio of stem biomass is from 50.6 to 61%,follow by 22.8-28%for leaves,and from 16%to 21.4%for leaf sheaths.The biomass allocation ratio is not significantly different among habitats(P > 0.05).The biomass accumulation of reed ramet has stable biological characteristics controlled by genetic factors and ecological characteristics regulated by environmental factors.

引文

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