In the end状语, they主 hope谓 to use the prehistoric data to create a "biodiversity forecast" of what might happen to the ecosystem in the future宾, as Thomas says插入语.
动词不定式宾语 to use动词 the prehistoric data宾语 to create a "biodiversity forecast" of what might happen to the ecosystem in the future目的状语
动词不定式作目的状语：to create动词 a "biodiversity forecast"宾语 of what might happen to the ecosystem in the future（of+宾语从句）
宾语从句 what引导词作从句主语 might happen谓 to the ecosystem in the future状语