采用Strauss-Hardcore模型研究不同导管构型被子植物的导管空间分布特征

郑景明, 刘洪妤

Using Strauss-Hardcore model to detect vessel spatial distribution in angiosperms with various vessel configurations

ZHENG Jing-Ming, LIU Hong-Yu

表2 用于导管构型定量分析的不同空间点-过程模型的特点

Table 2 Characteristics of spatial point-process models for vessel configuration analysis

模型 Model 点-过程特点 Point-process characteristic 适用范围 Scenario for model application 空间泊松模型 Poisson model 空间点位置完全随机 Complete spatial randomness of points 单一尺度, 单一导管属性, 随机分布特征 Single scale, single vessel identity, random distribution 硬核模型 Hardcore model 相邻点间距低于硬核距离则不能存在 Neighbor point is forbidden at distance smaller than hardcore distance 单一尺度, 单一导管属性, 均匀分布特征 Single scale, single vessel identity, uniform distribution 施特劳斯模型 Strauss model 相邻点间距越小则出现概率越低 Neighbor points have lower probability with smaller distance between them 单一尺度, 单一导管属性, 聚集分布特征 Single scale, single vessel identity, aggregation distribution 盖耶饱和模型 Geyer saturation model 任一点全部分布概率不超过特定值 Probability of each point is restrained at specific threshold value 单一尺度, 单一导管属性, 聚集分布特征, 受导管密度影响 Single scale, single vessel identity, aggregation distribution, influenced by total vessel density 多类型硬核模型 MultiHardcore model 点属性2类以上的硬核模型 Hardcore model with more than two point identities 单一尺度, 两类以上导管属性(如早、晚材导管, 单、复导管等), 同类导管均匀分布特征 Single scale, more than two vessel identities (e.g., vessel for early- and latewood, single vessel and multiple vessel), uniform distribution for each identity 多类型施特劳斯模型 MultiStrauss model 点属性2类以上的施特劳斯模型 Strauss model with more than two point identities 单一尺度, 两类以上导管属性, 同类导管聚集分布特征 Single scale, more than two vessel identities, aggregation distribution for each identity 斯特劳斯-硬核模型 Strauss-Hardcore model 一个硬核模型和一个施特劳斯模型的组合 A combination of a Strauss model and a Hardcore model 两个尺度, 单一属性的导管, 均匀-聚集分布特征 Two scales, single two vessel identity, uniform-aggregation distribution 多类型施特劳斯-硬核模型 MultiStrauss-Hardcore model 点属性2类以上的斯特劳斯-硬核模型 Strauss-Hardcore model with more than two point identities 两个尺度, 两类以上导管属性, 同类导管不同尺度上呈均匀和聚集分布特征 Two scales, more than two vessel identities, uniform-aggregation distribution 组合式盖耶模型 Piecewise Geyer model 组合模型, 可包括多个盖耶饱和子模型、硬核子模型和施特劳斯子模型 A hybrid model including multiple sub-models such as Strauss model, Hardcore model, and Geyer saturation model 多个尺度, 单一属性的导管, 均匀和聚集分布特征, 受导管总密度影响 More than two scales, single vessel identity, uniform-aggregation distribution, influenced by total vessel density