ãã«ã»ãã»ã³ã¹ã¿ã»ãã¹ã«ã®å±å€ããŒã«ã¯ããã®åªããèšåã§å®¿æ³å®¢ããé«ãè©äŸ¡ãåŸãŠããŸããã¬ãã¥ãŒã§ã¯ãããŒã«ã®æž
æœããšæå
¥ãã®è¡ãå±ããç¶æ
ãé »ç¹ã«åŒ·èª¿ãããçŽ æµãè¯ãããããŠéåžžã«æž
æœã§ãããšè¡šçŸãããŠããŸããããŒã«ã®åºããéç«ã£ãŠããããã®å€§ããã25ã¡ãŒãã«ã®é·ãã«ã€ããŠèšåãã人ãå€ãããŸããã²ã¹ãã¯ãããŒã«ã®å€§ããªãã©ã¹ãçã¿åºãå¿«é©ãªé°å²æ°ãé«ãè©äŸ¡ããŠãããå±å€ã§ã®åº§ã蟌ã¿ãé£äºã«æé©ã§ãã
ããã€ãã®ã¬ãã¥ãŒã§ã¯ãããŒã«ã®æž©æ°Žã«ã€ããŠãèšåãããŠããã倩åã«é¢ä¿ãªãå
šäœçãªå¿«é©ããšæ¥œãããé«ããŠããŸããå±å€ããŒã«ãšãªã¢ã¯ãããã«ã®æé«ã®æ©èœã®1ã€ãšèŠãªãããŠããããã®çŸããã»ããã¢ãããšå®¶æåãã®ç°å¢ãé«ãè©äŸ¡ãããŠããŸãããã ããããŒã«ã®åºã®åšãã«äœ¿çšãããŠãã人工èãå£ç¯çãªééã«é¢ããããã€ãã®åŠå®çãªæèŠããããæ»åšäžã«ããŒã«ããªãŒãã³ããŠããªãã£ããšè¿°ã¹ãŠããã²ã¹ããããŸããã
å
šäœãšããŠããã«ã»ãã»ã³ã¹ã¿ã»ãã¹ã«ã®å±å€ããŒã«ã¯ããã®å€§ãããæž
æœããé
åçãªèšåã§ã²ã¹ããšã¯ã¹ããªãšã³ã¹ãåäžããããããã«ã®çŽ æŽãããæ©èœãšèŠãªãããŠããŸãã