In the northeast of Costa Rica, illegal collecting, habitat destruction and heavy predation 011 adult females, young and eggs of Trachemys scripta produced a population decline in recent years. The slider tUltle has a high reproductive potential and nests were relocated. Between January and March 1991. 179 nests (3220 eggs) were collected from natural area
Keywords: trachemys scripta, hatching success, embryonic-mortality, relocated eggs, Costa Rica