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Fig. 4 | Ecological Processes

Fig. 4

From: Variable retention harvesting in the Douglas-fir region

Fig. 4

After experimenting with different approaches to retention, the Plum Creek Timber Company found aggregated retention, as seen here on the Cougar Ramp Unit, was an effective approach to integrating environmental and timber management objectives. This cutting opened the senior author’s mind to the potential of aggregated retention, which today is generally viewed as the most important approach for conserving a broad array of biota

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