Climate change effects, potential mitigation in Northeast forests subject of Forest Service report
With shorter winters, spring leaf-out is occurring earlier. For example, data from northern hardwood forests at the Hubbard Brook Experimental Forest in New Hampshire indicated signifi cantly earlier spring leaf-out and an increase in green canopy duration of about 10 days over a 47-year period (Richardson et al. 2006). In theory, the longer periods of growth should result in increased productivity. In fact, however, other stressors may limit the extent to which forests take advantage of the extended growing season.
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