Program to strive for variety of species
Saturday, June 20, 2009
BY JUDY MCGOVERN
The Ann Arbor News
Ann Arbor is launching a significant new replanting program this fall to add roughly 1,000 new trees every year.
The initiative begins half a dozen years after the die-off of once-plentiful ash trees.
City officials say they'll use aerial photos to identify the more pronounced holes in Ann Arbor's tree canopy and concentrate on those spots.
Street trees will be planted across the city, said Kerry Gray, urban forest and natural resources coordinator. City employees will likely do the work, but details are still being worked out.
Ann Arbor had an estimated 5,500 ash trees growing in rights-of-way when the emerald ash borer found its way to southeast Michigan around 2002.
An accidental import from Asia, the pest lays its eggs under the bark of ash trees. The larvae then feed on the material that carries water and nutrients, killing trees in just a few years. About 14 percent of the city's trees were ash.
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