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b. The comparative study of age distribution of fishes.
This is to analize the difference between the natural population in the DMZ, and other populations outside the DMZ, by studing the age distribution of fishes.
Method: We are classifying the fish collected and measuring individual size and age, and finding out the characteristics of natural population by comparing the fishes of DMZ with those of other areas.

Researcher: Choi, Ki Chul; Chung, Yung Ho; Kim, Hoon Soo; Kang, Soo Won; Chun, Sang Rin; Lee, Chung Jai

c. On the changes of Harmful insect population with the plant succession.
This is to analize the change status of harmful insect to crops.
Method: We are collecting insects and studying their ecosystem.  The classification and distribution of these insects and their adaptability to changed environment will be studied.
Researcher: Kim, Chang Whan; Yoon, Il Byong; Park, Sung Ho; Lee, Taik Yul; Bahng, Kyu Whan

d. The study of the Avi-Mammalian Fauna in the DMZ with special reference to ecology.
I) This is to analyze the census of winter-birds and spring-autumn birds with seasons and to analize the propagation status of the birds whose breeding season is summer.

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