1) Alsophila spinulosa population
桫椤种群
1.
The research on characteristics of Alsophila spinulosa population in Chishui;
赤水桫椤保护区桫椤种群特征
2.
Index of dispersion averaging,index of cluster size,Green\'s index,index of cluster frequency,index of mean crowding,index of aggregation and Moristita\'s index were used to analyze the spatial distribution patterns of Alsophila spinulosa population in different layers and at the integral level.
选取了方差均值比(ID)、聚集度大小指数(ICS)、Green指数(GI)、聚集频度指数(ICF)、平均拥挤度指数(IMC)、聚块性指数(IP)、Morista指数(IM)等7项指数,分析研究了桫椤种群在楠竹(Phyllostachyspupescens)和慈竹(Neosinocalamus affinis)等竹类入侵干扰下,不同层次和整体水平上的空间分布格局变化特征。
2) Alsophila podophylla population
黑桫椤(Alsophila podophylla)种群
3) Alsophila spinulosa community
桫椤群落
1.
Interspecific covariation between Alsophila spinulosa and 12 herb species of 2 spots in Alsophila spinulosa community, which were disturbed by different intensity, in Mopangou, Fuling district of Chongqing, was analyzed by Pearson product moment correlation, Spearman rank correlation and X~2-test.
②X2检验公式和r公式能够较好地反映桫椤群落在不同干扰强度作用下主要种间的协变关系,较客观地指示了联结种对在植物空间结构中的格局。
2.
This paper analysed the species richness, species diversity index and community evenness in different plots and layers of Alsophila spinulosa community in the Bijia Mountain of Yongding, Fujian Province.
对福建省永定县笔架山桫椤群落的不同样地、不同层次的物种丰富度、物种多样性指数和群落均匀度进行了分析。
4) Gymnosphaera podophylla community
黑桫椤群落
1.
Interspecific association of the main shrub population in the Gymnosphaera podophylla community at Jiulong Lake water-conservation forest,Zhaoqing city;
肇庆九龙湖水源涵养林黑桫椤群落主要灌木种群的种间联结性研究
5) Alsophila spinulosa
桫椤
1.
Living Fossil Plant-Alsophila spinulosa;
活化石植物桫椤的资源开发及保护
2.
Primary Discussion on the Bacteriostatic Activity of Alsophila spinulosa Leaves and Stems;
桫椤叶和茎干抑菌活性初探
3.
Comparison of Chemical Components in the Stem,Leaf and Cortex of Alsophila spinulosa;
濒危植物桫椤不同部位化学组分的比较研究
6) Gymnosphaera podophylla
黑桫椤
1.
Research on the Characters of Water-conservation Forest Gymnosphaera podophylla Community in Jiulong Lake Area of Zhaoqing;
肇庆九龙湖水源涵养林黑桫椤群落特征的研究
补充资料：种群增长率(见种群出生率)
种群增长率(见种群出生率)
种群增长率见种群出生率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条