For example, a reduction in the number of salmon migrating back to their spawning grounds will result in a decrease in the number of eagles attracted to the area.
(the number of salmon; migrating back; ) (a reduction in the number of salmon; will result; in a decrease in the number of eagles) (eagles; attracted; to the area)
the number of salmon a reduction in the number of salmon eagles
migrating back will result attracted
in a decrease in the number of eagles
to the area