Browse Items (4344 total)
- Collection: Ken Armson fonds
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Cross-Section of Seedlings in Situ Showing Lower Dead Foliage Due To Botrytis and Dead Leadertop to Aphids
Cross-section of seedlings in situ showing lower dead foliage due to Botrytis and dead leadertop to aphids. Black spruce, 2+0, botrytis and aphid damage.
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Crown closure in mature stand, Algonquin park.
Crown closure in mature stand, Algonquin park.
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Crown decadence, white pine. Silviculture 446 493
Three stages in crown decadence in 140+ yr white pine. Lake Temagami shoreline reserve.
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Crown deformed by mistletoe in ponderosa pine 250years.
Crown deformed by mistletoe in ponderosa pine 250years. Cocinino National Forest. Flagstaff, Arizona.
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Crown dieback in black spruce after spruce budworm attack
Crown dieback in black spruce after spruce budworm attack & dry year. Terra Nova.
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Crown of 200 year old red pine.
Crown of 200 year old red pine. Temagami.
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Crown of 250-year ponderosa pine. Coconino National Forest.
Crown of 250-year ponderosa pine. Coconino National Forest. Flagstaff, Arizona.
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Crowns of 250 years ponderosa pine. Coconino National Forest.
Crown of 250 years. ponderosa pine. Coconino National Forest. Flagstaff, Arizona
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Crowns of 80 year old eastern white pine.
Crowns of 80 year old eastern white pine. Dawson Pond, Leslie Frost Centre.
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Crowns of 85-year-old natural jack pine
Crowns of 85-year-old natural jack pine cf Slide # 1184. Companion Lake Sapawe
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