2. 3 植被数量指标的计算 通过对各样地植被物种的各项调查数据进行整理后,采用重要值(important value,IV)作为各物种在 群落中的优势度指标 [13] 。
基于2个网页-相关网页
index of important value 重要值指数
Important value index 即重要值指数 ; 重要值指数
has important value 具有重要价值
had important value 有重要意义
an important value 重要价值
have important value 具有重要价值
very important value 重要价值
In the tree layer, the dominance species are Phoebe bournei, Cyclobalanopsis glauca, Loropetarum chinense, which accounts for 5.5% of the total species numbers, while the IV (important value) 37.22% of all.
在乔木层中,以闽楠、青冈栎和檵木为优势种,它们占总物种数的5.5%,重要值却占总数的37.22%,其中闽楠的重要值为28.90%,充分说明闽楠作为群落的建群种,在群落中占有绝对优势。
参考来源 - 闽楠叶凋落物分解动态及其养分释放规律研究Method The samples were collected by using quadrat method and the primary forest vegetation formation in Hungou area of Zhongtiao Mountain in Shanxi province were classified into 10 associations by Two-way Indicator Species Analysis(TWINSPAN) on base of important value index.
方法采用样方法取样,依据重要值指标运用双向指示种分析(TWINSPAN)法,将位于山西中条山东段的混沟原始森林植被群系分成10个群落。
参考来源 - 中条山混沟地区的原始森林分布和物种多样性特征研究·2,447,543篇论文数据,部分数据来源于NoteExpress
The most important value is MaxClients.
最重要的值是MaxClients。
So, it possesses very important value in theory and practice.
因此,具有极为重要的理论和实践应用价值。
The important value here is Threads_created, which is incremented each time mysqld has to create a new thread.
此处重要的值是Threads_created,每次mysqld需要创建一个新线程时,这个值都会增加。
Well of course it's an important value to have in general that in order to be good neighbors in the world we need to understand it, we need to-- if we're going to be good citizens in the world we have to know what other people are doing and what's affecting us.
总的来说,它的重要之处在于,为了成为世界上其他国家的好邻居,我们要懂得,如果要成为世界上的一个好公民的话,我们得知道其他国家的人在做什么,是什么在影响我们
I talk about humility, which again, I think if you go through our history, ll see it has been a very important value.
我谈到谦逊,同样地,如果你纵观美国历史,会发现谦逊至关重要,you’
Wilde's suggestion, but I think also Kant's suggestion before him, is important for our recognition of our own value.
王尔德的提议,也是康德的,对我们自己认识到自我的价值很重要。
应用推荐