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关于两种Pinaceae中的Abies植物物种组成和种群动态特征的比较研究

Shanlin Yang¹, Xueying Yang¹, Renhang Zhang¹

¹College of Landscape Architecture, Changchun University, Changchun, 130012, Jilin, China.

Scientific reports

|October 6, 2025

概括

城市阿比斯森林表现出功能性退化,Abis holophylla和Abis nephrolepis种群面临招募失败和对环境干扰的抵抗力低下. 城市森林保护需要有针对性的干预措施.

科学领域:

生态生态学生态生态学
林业林业林业林业林业
城市生态城市生态学

背景情况:

树种 (松树家族) 是北半球针叶树林的基础.
城市种植林面临着生态适应能力方面的挑战.
了解城市环境中的Abies种群对于保护至关重要.

研究的目的:

在城市长春对Abies holophylla和Abies nephrolepis的物种组成和种群特征进行比较分析.
评估这些Abies物种在城市种植园生态系统中的生态适应性和限制.
为城市森林保护中的适应性管理策略提供理论基础.

主要方法:

社区分析的TWINSPAN分类.
人口结构的动态人口指数 (Vpi,V'pi) 和静态生命表.
死亡率驱动因素的时间序列模型和生存功能 (Deevey-II).
分析Pmax以评估弹性.

主要成果:

亚比斯群落是由Pinus sylvestris (A. holophylla) 和Betula platyphylla (A. nephrolepis) 共同主导的.
A. holophylla表现出成熟主导的状年龄结构;A. nephrolepis表现出青少年主导的逆J形状.
这两种种群体都显示出增长趋势 (积极的Vpi,V'pi),但对干扰的抵抗力较低 (Pmax接近零).
死亡率主要是由随机外部干扰驱动的.

结论:

城市阿比斯种植园表现出功能性退化,招聘失败的风险.
两种Abies种群都表现出对环境干扰的抵御能力减弱.
人工重新种植,微型息地重建和稀薄是城市森林再生和保护的关键干预措施.

关键词:

阿比斯 Holophylla 的最大值.阿比斯尼弗罗莱皮斯 (Trautv. 之前的最大值.) 马克西姆的最大数值是人口动态人口动态种类组成种类组成

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