McKeldin Mall Oaks Tree Appraisal –
Trees Have a Value
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Condition % = Condition is based on the Appraisers experiences and
takes into account the history of the trees and site along with the overall
health of the specimen. These oaks were given a conservative Condition
Rating of 80% based on the fact that all of these trees were crown cleaned to
remove deadwood, crossing branches, water sprouts, diseased branches and the
soil was injected in the summer of 2010 with fertilizer and mycorrhizal
inoculums. Note that these trees are ~90 old so regular maintenance becomes a
factor, overall the trees are in good health.
Species Rating % = Quercus phellos (Willow Oaks) and
Quercus nigra (Water Oak) have an established species rating of 60%
-90% within the Mid-Atlantic Region. This rating is set by the Mid-Atlantic Tree
Species Rating Guide published by The International Society of Arboriculture
which was last revised in 2007. 85% was used as the input for the Species Rating
for this appraisal. At this site at the University of Maryland – College Park we
have 128 Quercus phellos and 1 Quercus nigra. Quercus
phellos is the most common tree on campus, this species has preformed
exceptional well in our urban forest.
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