Term 
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        Definition 
        
        | using resources without depleting them |  
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        Term 
        
        | maximum sustainable yield (MSY) |  
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        Definition 
        
        | the amount of a resource that can be harvested without reducing the amount of future harvests |  
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        Term 
        
        | ecosystem-based management |  
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        Definition 
        
        | harvesting resources in ways that minimize the impact on the ecosystems that provide them |  
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        Term 
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        Definition 
        
        | a customized approach to managing resources that has been developed through scientific testing |  
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        Term 
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        Definition 
        
        | a condition in timber plantations in which all the trees are the same age |  
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        Term 
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        Definition 
        
        | a method of harvesting trees in which all trees in an area are cut at once |  
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        Term 
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        Definition 
        
        | a method of harvesting trees in which a small number of mature and healthy seed-producing trees are left standing so they can reseed an area that has been logged |  
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        Term 
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        Definition 
        
        | a method of harvesting trees in which a small number of mature trees are left in place to provide shelter for seedlings as they grow |  
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        Term 
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        Definition 
        
        | a method of harvesting trees in which only some of the trees in a forest are cut at one time |  
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        Term 
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        Definition 
        
        | clearing a forest for another land use |  
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        Term 
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        Definition 
        
        | a forest that has never been logged |  
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        Term 
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        Definition 
        
        | a policy that states that the national forests must serve a number of uses |  
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        Term 
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        Definition 
        
        | the large-scale plantings of a single crop |  
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        Term 
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        Definition 
        
        | the process of setting fire to an area of forest under carefully  controlled conditions; also called controlled burn |  
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        Term 
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        Definition 
        
        | the removal of dead trees following a natural disturbance |  
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        Term 
        
        | sustainable forestry certification |  
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        Definition 
        
        | formal recognition by an organization that a product has been produced using methods and materials the organization considers to be sustainable |  
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