Identifying the Effective population size

Question

[mkgupta.bb]

Dear members, can any one please help me to detect the "recent effective population size" of the individual provided in the image below. I need information about the recent effective population size of the population for calculating tajima's D by msms

https://ibb.co/ygVdxDF

Original paper can be found at (https://academic.oup.com/gigascience/article/9/2/giz166/5743106)

Thanks in advace