Mortality curves can be calculated fromlife tables.

For the two lakes, this is what they look like, for our study time of 5 years:

Figure 1 - Mortality at the wild lake for the first four years after human arrival

Figure 2 - Mortality at the impacted lake for the first four years after human arrival

注意:由于死亡率之间的计算one year and the previous, mortality data for four years represent 5 years of study.