shelter 



87 



a moderate proportion of young reproduction. It is also desirable 

 to have a small proportion of hardwood species. 



The variation in seasonal importance of coniferous types may be 



Winter Spring Summer Fall 



Fig. 5. Cover Types Used by Adult Grouse at DiflFerent Seasons. 



noted from the percentages of total flushes per acre in these types 

 in each season: winter, thirty-seven per cent; fall, nineteen per cent; 

 spring, twenty-one per cent; summer, six per cent. 



