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Dense mature stand of hemlock in Algonquin Park.
Dense mature stand of hemlock in Algonquin Park.
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Eastern hemlock, clearcut in Algonquin Park.
Eastern hemlock, clearcut in Algonquin Park.
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Blake MacDonald's experiment to show the impact of water supply on growth of hard maple seedlings.
Blake MacDonald's experiment to show the impact of water supply: weekly vs. fortnightly watering on growth of hard maple seedlings.
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Blake MacDonald's experiment to show the impact of water supply on growth of hard maple seedlings.
Blake MacDonald's experiment to show the impact of water supply: weekly vs. fortnightly watering on growth of hard maple seedlings.
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Diagram illustrating silvicultural options
Diagram illustrating silvicultural options re: composition, density, productivity, and spacial.
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Bending of "whips".
Bending of "whips", i.e. slender understory stems exposed after a selection harvest. Geography Barrie woodlot, Highway 97 near Ayr.
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General view of geography in Barrie woodlot.
General view of geography in Barrie woodlot. Highway 97 near Ayr. N.B. White pine.
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Hard maple, 64ft clear stem; Height 110ft.
Hard maple, 64ft clear stem; Height 110ft. DBH 17in, 400 fbm/tree. Geo. Barrie woodlot, Highway 97 near Ayr.
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Cronartium comptoniae (sweetfern blister rust) on 2 year jack pine.
Cronartium comptoniae (sweetfern blister rust) on 2 year jack pine. N.B. aeciospores.
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Cronartium comptoniae (sweetfern blister rust) on 2 year jack pine.
Cronartium comptoniae (sweetfern blister rust) on 2 year jack pine. N.B. aeciospores.
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