| trace elements in egg contents and egg shells of slider turtles (trachemys scripta) from the savannah river site. | in this paper we examine the levels of trace elements in the egg contents and egg shells of slider turtles (trachemys scripta) from the savannah river site, near aiken, south carolina. trace elements have seldom been examined in the tissues or eggs of reptiles, although some turtles and large snakes occupy a high trophic level. lead, mercury, cadmium, selenium, chromium, and manganese levels were examined in one egg and its egg shell collected from each of 16 females that laid in late may and ju ... | 1998 | 9543509 |