moves to the next pixel and repeats 

 the process until the road density is 

 calculated in a 1-square-mile area 

 around every pixel in the study area. 

 The number and percentage of pixels 

 in the study area that fall into 

 different road-density classes are 

 then calculated by the computer. 

 Based on research studying the 

 effects of roads on grizzly bears, 

 the effects of open roads are 

 measured by the percentage of pixels 

 in the study area that have at least 

 1.0 mile of open road in the 

 surrounding 1-square-mile window. 

 The effects of total roads (open, 

 gated, barricaded, bermed, but not 

 brushed, etc.) are measured by the 

 percentage of pixels in the study 

 area that have at least 2 miles of 

 open or restricted roads in the 

 surrounding 1-square-mile window. 



Muitistoried stands 



Timber stands with 2 or more distinct 

 stories . 



Nest site area (bald eagle) 



The area in which human activity or 

 development may stimulate abandonment 

 of the breeding area, affect 

 successful completion of the nesting 

 cycle, or reduce productivity. It is 

 either mapped for a specific nest 

 based on field data, or, if that is 

 impossible, it is defined as the area 

 within a 1/4-mile radius of all nest 

 sites in the breeding area that have 

 been active within 5 years. 



No-action alternative 



The option of maintaining the status 

 quo and continuing present management 

 activities; the proposed project 

 would not be implemented. 



Nonforested area 



A naturally occurring area where 

 trees do not establish over the long 

 term, such as a bog, natural meadow, 

 avalanche chute, and alpine areas. 



Old groimrh 



For this analysis, old growth is 

 defined as stands that meet the 

 minimum criteria (number of trees per 

 acre that have a minimum dbh and a 



minimum age) for a given site (old- 

 growth group from habitat type) . 

 These minimums can be found in the 

 Green et al Old Growth Forest Types 

 of the Northern Region (see APPENDIX 

 A - REFERENCES) . 



Overstory 



The level of the forest canopy 

 including the crowns of dominant, 

 codominant, and intermediate trees. 



Patch 



A discrete area of forest connected 

 to other discrete forest areas by 

 relatively narrow corridors; an 

 ecosystem element (such as 

 vegetation) that is relatively 

 homogeneous internally, but differs 

 from what surrounds it. 



Potential nesting habitat (bald eagle) 



Sometimes referred to as > suitable 

 nesting habitat,' areas that have no 

 history of occupancy by breeding 

 bald eagles, but contain the 

 potential to do so. 



project file 



A public record of the analysis 

 process, including all documents 

 that form the basis for the project 

 analysis. The project file for the 

 Dog/Meadow Timber Sale project Ea is 

 located at the Stillwater State 

 Forest office near Olney, Montana. 



Tledds 



The spawning ground or nest of 

 various fish species. 



■Regeneration 



The replacement of one forest stand 

 by another as a result of natural 

 seeding, sprouting, planting, or 

 other methods. 



■Residual stand 



Trees that remain standing following 

 any cutting operation. 



■Rpad-construction activities 



In general, the term 'road 

 construction activities' refers to 

 all the activities conducted while 

 building new roads, reconstructing 

 existing roads, and obliterating 

 roads. These activities may include 



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Dog Meadow Timber Sale Project Draft EA 



