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Twenty-five meter strips were cut progressively on a 2 year cycle on Watershed 4 at HBEF from 1970-1974 for moderate impact on the terrain. 25 x 25 meter vegetation plots were established post cutting and have been measured regularly for estimates and timing of herbaceous plant and tree succession. Ten years into regrowth there was no noticeable difference between the age of the strips and vegetation cover. By year 40 successional pin cherry died off and northern hardwoods returned as the dominant trees with yellow birch playing a particularly prominent role due to the abundance of seeds provided by remaining adults along cut strips.
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Annual vegetation measurements began in 1971 to determine if the progressive treatment gave the strips cut earlier a head start on regeneration. By 1980 vegetation in the varying aged strips was indistinguishable and all strips were put on the same measurement cycle. Permanent 25 x 25 meter plots were surveyed and marked for measurement of large trees when they reached 10cm. Within the 25 m2 plots 1 x 25 m strips were randomly assigned to the north or south side of the plot for measurement of 2 cm -9.9 cm saplings. Four 1 x 1 meter subplots were marked with pins for herbaceous plant counts.
