Western siberia its diverse vegetation: forests, wetlands, and meadows. the main type of forest areas are dominated by coniferous forests of siberian spruce, siberian fir and siberian pine or cedar. правильно ли я ниписала?

Western Siberia has diverse vegetation such as  forests, wetlands, and meadows.

The main types of forest areas are (подлежащее поставила  во мн. число) dominated by coniferous forests of Siberian spruce, Siberian fir and Siberian pine or cedar.