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Pollen profile of heath, New Forest
pollen profile
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Pollen profile of oak, New Forest
pollen profile
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Pollination bag with tree
Pollination bag on and off tree
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Ponderosa and lodgepole pine
Mixed ponderosa and lodgepole pine, at 200yrs, after fire. N.B. regeneration in opening. Antelope Tree Farm of Weyerhaeuser SE. Oregon.
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Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest.
Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest. Flagstaff, Arizona
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Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest.
Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest. Flagstaff, Arizona
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Ponderosa pine 250 years, Coconino National Forest.
Ponderosa pine 250 years, Coconino National Forest. Flagstaff, Arizona.
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Ponderosa Pine and Sagebrush, Vernon-Penticton BC
Pine and shrub hill
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Ponderosa pine at 54 years. thinned at age 43 years to 50sq.ft/acre.
Ponderosa pine at 54 years. thinned at age 43 years to 50sq.ft/acre. Taylor Woods. United States Forest Service Flagstaff.
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Ponderosa pine at tree farm
Ponderosa pine at Weyerhaeuser's Antelope tree farm in SE. Oregon N.B. pine regeneration in openings following past harvesting.
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