000 01260nam  2200289za 4500
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003CaOODSP
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008150528s1952    xxca||||o    f000 0 eng d
040 |aCaOODSP|beng
043 |an-cn-on
0861 |aA43-875/1952E-PDF
1001 |aTurner, K. B.
24514|aThe relation of mortality of balsam fir, Abies balsamea (L.) Mill., caused by the spruce budworm, Choristoneura fumiferana (Clem.), to forest composition in the Algoma Forest of Ontario |h[electronic resource] / |cK.B. Turner.
260 |aOttawa :|bDept. of Agriculture, in co-operation with the Ontario Dept. of Lands and Forests,|c1952.
300 |a107 p. : |bill.
500 |aHistorical publication digitized by Agriculture and Agri-Food Canada.
502 |aRevision of the author's thesis (M.Sc)--University of Toronto, 1950.
504 |aBibliographical references: p. 74-75.
69207|2gccst|aForests
69207|2gccst|aTrees
69207|2gccst|aPests
69207|2gccst|aForest management
7101 |aCanada.|bDepartment of Agriculture.
7101 |aOntario.|bDept. of Lands and Forests.
85640|qPDF|s10.67 MB|uhttps://publications.gc.ca/collections/collection_2015/aac-aafc/A43-875-1952-eng.pdf