净生产力 meaning in Chinese
net productivity
Examples
- The incubation of biogenic silica shows the same results . with the rates of silica regeneration in the seabed , biogenic silica cycle in jiaozhou bay was studied . according to estimate , only 15 % of the bsi produced in the surface sea accumulates in the sediment with the remainder returning to the water column as a result of dissolution
结合沉积物现场培养实验测定的si仇2一在沉积物一水界面的交换通量对胶州湾生物硅的循环进行了初步分析，胶州湾表层海水中生物硅的最大净生产力为4 . 24士o ， 37mmolsi / mz / d 。 - The density with the biodiversity increasing shows " m " model . ( 3 ) the correlation analysis shows : elevation , slope , development stage and biomass are main factors which affect the biodiversity pattern in the research region . the biodiversity of the quercus aliena var . acutesrata community shows the patterns with the elevation and slope affecting : on sunny slope , the species diversity increases with the elevation increasing below the attitude of 1640m and its climax is at this attitude ( the diversity index h = 1 . 68 ) , upward this point , the diversity index descends slowly . the evenness shows ascend trend with the elevation upward , its climax point at 1800m ( the evenness index jsw = 0 . 78 ) , then descending after this point
( 5 )通过分析，锐齿栋群落生物量与生物多样性呈现如下关系:在海拔1500一170枷范围内，锐齿栋群落生物量与物种多样性之间呈单峰曲线关系;在海拔1700一1900m范围内，生物量与物种多样性之间呈不明显的波动关系;在海拔1900一2100m范围内，生物量随物种多样性的增加而增大，通过对不同高程内生物量与物种多样性分析发现，随着海拔的上升，最大生物量对应的物种多样性略有增加趋势;在相同海拔和坡向条件下，生物量与物种多样性之间也呈典型的单峰曲线关系;群落净生产力与物种多样性之间总体上也呈单峰曲线关系。