Author: HANSEN, T.S.
Title: Ecological Changes Due to Thinning Jack Pine (Jackpine) - Technical Bulletin 124
Description: USA: University of Minnesota Agricultural Experiment Station, 1937. First Edition. Paperback. 77 pages. List of literature cited. "An analysis of the changes in habitat factors on two plots thinned at different degrees in 1925 and an unthinned check. Remeasurement of the plots in 1929 and 1934, together with an analysis of sample trees in 1934, serves as a basis for a study of changes in rate of growth due to thinning." - page 71. Former library copy with usual markings. Overlaid by sturdy library boards. Stapled textblock loose but present. A worthy reference copy.; 8vo - over 7¾" - 9¾" tall; Ecological Changes Due to Thinning Jack Pine (Jackpine) - Technical Bulletin 124 Silviculture Research. Fair .

Keywords: () Science & Technology Forestry