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在农民管理的种植园中评估个人树木竞争时,不同竞争指数的比较:一个案例研究

Shuyi Yang¹, Haiqian Yu², Yue Cong¹

¹Zhejiang Agricultural Business College, Shaoxing, 312000, China.

Scientific reports

|December 4, 2025

概括

选择正确的竞争指数 (CI) 对于评估农户种植园中的树木竞争至关重要. 微观条件显著影响树木生长,而不是竞争,无论使用CI.

科学领域:

林业科学林业科学
生态建模生态建模

背景情况:

农民管理的种植园在全球范围内具有重要意义,但竞争指数在人工森林管理中的作用需要进一步了解.
评估树木之间的竞争对于有效的森林管理和生产力至关重要.

研究的目的:

评估三个竞争指数 (CI_Hegyi,CI_RK1,CI_RK2) 在评估特定物种竞争强度方面的表现.
确定微观场所条件与竞争对农民管理的种植园树木生长的相对影响.
分析CI选择对评估个体树木竞争的影响.

主要方法:

利用历史库存数据与来自中国农民管理的种植园的详细空间信息.
通过使用三个不同的竞争指数来评估树际竞争:CI_Hegyi,CI_RK1和CI_RK2.
进行了CIs的比较性能分析和空间依赖性分析.

主要成果:

CI_Hegyi和CI_RK2在评估八种树木竞争时显示出类似的模式,而CI_RK1显示出不同的模式.
这些物种包括Camellia sp.,Ilex chinensis Sims和Prunus亚属. 科拉苏斯 (Cerasus sp.) 的一种植物. 不管使用的CI类型,显示一致的分类.
微观条件被确定为影响树木生长的主导因素,超过了竞争的影响.

结论:

选择适当的竞争指数对于准确评估树木竞争至关重要,并注意到对CI的特定物种反应.
微观效应在推动树木生长方面发挥着更重要的作用,而不是研究的种植园中的竞争相互作用.
这项研究为未来关于农民管理的种植园竞争评估研究提供了框架,为森林管理实践提供了信息.

关键词:

竞争指数竞争指数竞争的强度竞争的强度空间信息是一种空间信息.树木的生长树木的生长

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