@article {Rudolf:1949::207, title = "Porcupines' Preferences in Pine Plantations", journal = "", parent_itemid = "", publishercode ="", year = "1949", volume = "47", number = "3", publication date ="1949-03-01T00:00:00", pages = "207-209", itemtype = "ARTICLE", url = "https://www.ingentaconnect.com/content/saf/jof/1949/00000047/00000003/art00011", author = "Rudolf, Paul O.", abstract = "It is generally known that porcupines may cause heavy local damage in forest stands. Specific information on their choice of trees is generally lacking, however. Observations in pine plantations in the Lake States furnishing such information are presented in this paper.", }