During the last fifteen years, white-tailed deer ( Odocoileus virginianus ) populations in Canada and north-eastern U.S.A. have increased greatly and deer browsing has resulted in reduced regeneration of woody plants in forests.
(white-tailed deer ( Odocoileus virginianus ) populations in Canada and north-eastern U.S.A.; have increased; greatly; T:During the last fifteen years) (deer browsing; has resulted; in reduced regeneration of woody plants in forests)
white-tailed deer ( Odocoileus virginianus ) populations in Canada and north-eastern U.S.A. deer browsing
have increased has resulted
greatly T:During the last fifteen years
in reduced regeneration of woody plants in forests