such a decrease in the number of rabbits will, in a while, lead to a decrease in the number of foxes (some starve to death), and that in turn will allow the numbers of rabbits to increase again.
(such a decrease in the number of rabbits; will lead; to a decrease in the number of foxes; T:in a while) (some; starve; to death)
such a decrease in the number of rabbits some
will lead starve
to a decrease in the number of foxes T:in a while
to death