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在两个人造植被恢复模式的殖民本地半灌木的空间分布模式在Mu Us沙土,中国北部的植物恢复模式

Ercha Hu^1,2, Runhong Gao¹

¹College of Forestry, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China.

|June 6, 2024

概括

在半干旱的沙土地上恢复人工植被有助于本土灌木殖民. 不同的模式影响空间分布和物种相互作用,促进生态继承.

科学领域:

生态生态学生态生态学
恢复生态学恢复生态学
植物社区动态植物社区动态

背景情况:

退化的半干旱沙地需要有效的生态恢复策略.
了解不同人工植被方法下的本地植物殖民模式,对于成功的康复至关重要.
目前关于本土灌木对恢复模式的响应空间动态的知识是有限的.

研究的目的:

分析本地灌木 (Artemisia ordosica,Corethrodendron lignosum var.的空间分布模式和物种间的关联. 离开) 在两个不同的人工植被恢复模式下定居.
评估不同修复模式在促进本地植物的建立和社区发展方面的有效性.
了解种植物种特征和配置对本地植物空间生态学的影响.

主要方法:

对两个人造植被恢复模式的比较分析:排列带 (Salix matsudana) 和活沙屏障 (Caryopteris mongolica).
应用单变量和双变量点模式分析,使用里普利的L函数来评估空间分布和跨种类的关联.
量化本地半灌木覆盖面和分析不同尺度的空间模式.

主要成果:

这两种修复模式都显著增加了Artemisia ordosica和Corethrodendron lignosum var.的覆盖范围. 离开,离开,离开.
排列带模式 (P1) 导致本地灌木的随机分布,没有显著的物种间关联.
活沙屏障模式 (P2) 最初显示了聚合分布,随着规模的变化而转向随机分布,并表现出负的物种间关联.

结论:

人工植被,作为一个护士效应,成功地促进了早期沙生态恢复的近乎自然的继承.
修复模式的选择 (例如,排列带与活沙屏障) 显著影响着被殖民的本土物种的空间生态和相互关系.
研究结果为优化生长恢复策略的优化提供了有价值的见解,在退化的半干旱沙生态系统中,特别是中国北部.

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