early-spring herbs

The statistical analysis showed that,the population patterns of early-spring herbs in Laoshan are clumped patterns,the reasons including distribution,spatial heterogeneity,and other environmental factors.
经统计分析结果表明,老山地区早春植物的种群分布聚集的原因是由包括营养物质分布、空间异质性等环境因素所致。