Predicting the ability to produce emerald ash borer: a comparison of riparian and upland ash forests in southern lower Michigan
2009
Crocker, Susan J. | McCullough, Deborah G. | Siegert, Nathan W.
Concern for the future of ash trees in the United States has risen since the 2002 discovery of emerald ash borer (EAB) (Agrilus planipennis Fairmaire) in southeastern Michigan. The ability of ash forests in the Southern Lower Peninsula of Michigan to produce EAB was compared by physiographic class and stand size. Results showed that EAB production potential was significantly higher in riparian forests and in large- and medium-diameter ash stands. The potential to support dense populations of EAB suggests that riparian forests may have higher ash mortality and a greater ability to influence the rate of EAB spread.
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