期刊论文

中文

安徽农学通报

1007-7731

2019

25

18

53-57

10.16377/j.cnki.issn1007-7731.2019.18.024

本校为第一机构

银杉是我国珍稀的孑遗植物,被誉为“植物界的熊猫”。该研究基于国家植物标本数据库和查阅历年文献所得到60个准确的分布点数据,应用Maxent软件构建了我国银杉林潜在分布模型,并分析了影响银杉分布的关键环境因子。结果表明:(1)银杉的潜在适生区主要集中在重庆南部地区、湖南的南部和西部、广西北部地区、贵州东部和北部地区以及四川省南部地区,银杉在以上分布区的总面积为18.3万km^2,占全国面积的1.9%。银杉的高度适宜区面积为3853.6km^2,占全国面积的0.04%。(2)影响我国银杉潜在分布的5个主导因子依次为:5月太阳辐射(65.8%),植被覆盖率(13.7%),10月最高温(5.6%),5月平均降雨量(3.3%),淤泥含量...

Silver fir is a unique relict plant in China and is known as the“panda in the plant world”.Based on the na?tional plant specimen database and the 60 accurate distribution point data obtained from the previous years,the study used Maxent software to construct the potential distribution model of Chinese silver fir forest,and analyzed the key environmental factors affecting the distribution of silver fir.The results showed that:(1)The potential habitats of the silver fir are mainly concentrated in the southern part of Chongqing,the south and wes...