径级 meaning in English
diameter class
Examples
- Among the 88 species with more than 15 individuals , 87 . 5 % had an aggregated distribution pattern , and 9 . 1 % species were randomly distributed
研究中将树木依胸高直径分成四个生长阶段，并比较整个样区及各生育地及?同径级大小植物分布?型之差? 。 - Analysis of size structure showed that each size class of neolitsea aurata var . glauca had quite a lot of individuals . it implies that the regeneration of neolitsea aurata var
结果表明：缙云山白毛新木姜子种群各径级都有一定数量的个体，种群更新在时间上是连续的。 - A good number of saplings and middle - sized piants were found and most of them were individuals of dbh ranging from 2 to 4 cm . the number of old individuals were relatively small
幼树和中等大小个体的数量较多，且绝大部分集中在2 4cm径级，老龄个体较少，属增长型种群。 - Gap disturbance had different effects on the density , frequency , distribution of size class , spatial distribution pattern , radial growth pattern of neolitsea aurata var . glauca population
林隙干扰对缙云山白毛新木姜子种群密度、频度、径级分布、空间分布格局、径向生长都有不同程度影响。 - When comparing spatial patterns among different habitats within the plot , the aggregation intensity increased along a wind - stress gradient from the sheltered creek to the most exposed slopes
至于?同径级大小， 35 . 5 %的物种随著径级增加而由高?聚集的分布?型逐渐转移到较低强?的聚集或呈现随机分布，但有11 . 3 %的物种呈现相反的结果。