1) the index of soil organic abundance
有机碳丰度指数
1.
Integrating the soil map,land use status quo map and district map of Chongqing karst area,the index of soil organic abundance were introduced and the characteristic of soil organic distribution in different soil and landscapes were analyzed.
基于重庆市第二次土壤普查和2007年测土配方施肥的1412个土壤剖面数据,结合重庆岩溶区土壤图、土地利用现状图和行政区划图,在地理信息系统技术的支持下,对重庆岩溶区土壤有机碳密度及储量进行了估算,同时引入有机碳丰度指数这一指标,对有机碳在不同土壤和不同景观中的分布特征进行了分析。
2) content of organic carbon
有机碳丰度
1.
The interpreted of the sources rock of Late Permian to Early Triassic in the Shiwandashan Basin in Guangxi, China suggest that there is a good correlation between the content of organic carbon and the content of iron element in the argillaceous facies of the shallower shelf.
在稳定的浅海陆棚环境发育的泥岩中,铁元素丰度主要受控于沉积物颗粒大小和有机质丰度,铁元素丰度与有机碳丰度呈正相关关系。
3) residual abundance of organic carbon
残余有机碳丰度
4) Richness index
丰富度指数
1.
There was a distinct positive relationship among Richness index,Margalef index and Shannon-wiener index.
丰富度指数、Margalef指数与Shannon-wiener指数相关性显著,在小的空间研究尺度内,草地植物群落物种多样性指数受丰富度指数的影响较大。
2.
The algal diversity of four tributaries of Yangtze River was assessed applying the diversity index, richness index and evenness index.
应用多样性指数、丰富度指数和均匀性指数对长江4条支流水域的藻类多样性进行了评价。
3.
Different land use types of vegetation situation in Wufendigou Model of Huangpuchuan watershed were analysed,using diversity index,richness index,evenness index and community structure,respectively.
分别用多样性指数、丰富度指数、均匀度指数和群落的结构特征对皇甫川流域五分地沟试验示范区内不同土地利用类型的植被状况进行分析。
5) providing index
丰裕度指数
6) abundance index
丰富度指数
1.
As a result,abundance index of species had increased 7-11,and the number of arbor species had grown 2-5 families,3-8 genera.
分析结果,乔木层物种丰富度指数增加了7~11,乔木物种增加了2~5科,3~8属。
2.
Based on Abundance Index and comparative analysis of Pteridophyte flora between Hebei and other 7 florae.
利用丰富度指数,通过与河南、浙江等其他省区的比较分析,认为河北省蕨类植物物种贫乏。
补充资料:有机
1.原指与生物体有关的或从生物体来的(化合物)﹐现指除一氧化碳﹑二氧化碳﹑碳酸﹑碳酸盐和某些碳化物之外﹐含碳原子的(化合物)。 2.指事物构成的各部分互相关连﹐具有不可分的统一性。 3.有机会。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条