摘要
通过野外实地考察,研究了长白山北坡环境因子对水甲虫多样性的影响。主成分分析表明,该区影响水甲虫分布的主导因子为海拔、温度、水电导率、酸碱度、底泥有机质含量和底泥全磷含量,其中海拔与水甲虫物种丰富度、Shannon多样性指数正相关;pH值与水甲虫物种丰富度、Shannon多样性指数显著负相关;电导率与水甲虫物种丰富度成负相关;底泥有机质含量、全磷含量与水甲虫丰富度、Shannon多样性指数皆为正相关关系;电导率与物种丰富度成负相关关系;水深度与物种丰富度成负相关关系。了解环境因子与水甲虫关系,有助于水生昆虫和水环境的保护,为最终实现森林生态系统健康提供依据。
An investigation was conducted to study the effects of environmental factors on water beetles in the northern slope of Changbai Mountains. By PCA, we knew the dominant factors were altitude, temperature, water conductivity, pH, soil organic matter content and soil total phosphorus. The regression analysis results were： positive relationships were recorded between Shannon-Wiener and altitude, soil organic matter content and soil total phosphorus; Significant correlations were also recorded between species and altitude, soil organic matter contentand soil total phosphorus. The distribution of water beetles is influenced by environmental factors, but human beings are the ultimately determinant factor. To understand the relation between water beetle diversity and environment is useful to discover the relationship among life, environment and human beings. We hope the study can provide theoretic proof for biodiversity restoration.
出处
《辽宁工程技术大学学报（自然科学版）》
CAS
北大核心
2008年第2期299-301,共3页
Journal of Liaoning Technical University (Natural Science)
基金
国家自然科学基金资助项目(30670306)
中俄自然资源与生态环境联合研究中心资助项目~~
关键词
环境因子
生物多样性
主成分分析
水甲虫
长白山
environmental factors
biodiversity, principal component analysis
water beetle
Changbai Mountains
