ecological amplitude meaning in Chinese

生态辐
生态幅度

Applying the ecological amplitude to nutrition restrictive factors of jialing river in the city zone of chongqing
生态幅在重庆嘉陵江主城段营养盐限制因子中的应用
Its growth temperature range is from 6 to 40 and optimum temperature range is about 24 . when the temperature is reduces to 22 immediately ( from 35 to 13 ) , it can still grow . after it is frozen at - 18 , it still can restore to life , which is a feature that other spirulina do not have . compared with the introduced spirulias platensis , it shows low temperature characteristic and wide temperature ecological amplitude
其生长的温度范围是6 - 40 ；最适温度为24左右；在温度骤降幅度达22时(从35降到13 )依然能够生长；该藻在- 18冰冻之后依然可以复生；其对低温的适应特性是引进的钝顶螺旋藻和极大螺旋藻所不具备的。