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Compartments are used to assist staff in making management and planning decisions. State forest lands are arranged into blocks called Compartments. A compartment may be a contiguous area of state-owned lands or a compilation of nearby non-contiguous areas within in a Forest Management Unit (FMU), State Park, State Game Area or other designation. Compartments provide a convenient location reference, a metric for distributing management activities over time, and a discrete unit for planning purposes. Compartments range in size from less than 100 acres to over 5,000 acres with a typical size of about 1,500 to 3,000 acres. Smaller compartments are necessary in areas of fragmented ownership or used when management objectives are more readily met. Larger compartments may be used to improve operational efficiencies, when management objectives require large areas for specific goals, or to include an entire unit in the same compartment (e.g., a large State Park or State Game Areas). Compartment boundaries are usually static except in the case of minor adjustment of stand lines sharing a compartment boundary or if a case is made to change boundaries to align with management goals. For forest management activities specifically, compartments were developed to:
Summarize data and make treatment recommendations on an area small enough to allow quick visualization of existing conditions and the effects of treatments.
Systematically examine and consider treatments in a localized forest acreage.
Disperse treatments spatially across the FMU.
Disperse treatments temporally across the FMU as each compartment is also assigned one of ten Years of Entry.
Attempt to ensure even distribution of treatment acres across years.