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Crown closure in mature stand, Algonquin park.
Crown closure in mature stand, Algonquin park.
Crown decadence, white pine. Silviculture 446 493
Three stages in crown decadence in 140+ yr white pine. Lake Temagami shoreline reserve.
Crown deformed by mistletoe in ponderosa pine 250years.
Crown deformed by mistletoe in ponderosa pine 250years. Cocinino National Forest. Flagstaff, Arizona.
Crown dieback in black spruce after spruce budworm attack
Crown dieback in black spruce after spruce budworm attack & dry year. Terra Nova.
Crown of 200 year old red pine.
Crown of 200 year old red pine. Temagami.
Crown of 250-year ponderosa pine. Coconino National Forest.
Crown of 250-year ponderosa pine. Coconino National Forest. Flagstaff, Arizona.
Crowns of 250 years ponderosa pine. Coconino National Forest.
Crown of 250 years. ponderosa pine. Coconino National Forest. Flagstaff, Arizona
Crowns of 80 year old eastern white pine.
Crowns of 80 year old eastern white pine. Dawson Pond, Leslie Frost Centre.
Crowns of 85-year-old natural jack pine
Crowns of 85-year-old natural jack pine cf Slide # 1184. Companion Lake Sapawe
Crowns of larger loblolly pine.
Crowns of larger loblolly pine. N.B. openness compared with red, jack and white pines. Savannah