Vol. 15, No. 2 
Page 2 
future. Thus, it is possible that roadsides, only 1.3 percent of the study 
area, will constitute the largest segment of potential nesting cover for 
pheasants within a few years. 
In 1970, the 149*2 acres of managed seeded roadsides increased the 
amount of land in hay on the Ford County Management Unit (FCMU) from 402 to 
551.2 acres, an increase of 37*1 percent. (At the same time, however, the 
amount of unseeded roadside cover on the area was reduced by over 90 percent.) 
In 1971, seeded roadsides increased the total hay acreage on the area from 
310 to 459 acres (a 48 percent increase). Thus, the contribution of seedings 
to the total hay acreage increased 11 percent over the 2 years. If the 
proportion of the total land area in hay continues to decline on the FCMU, 
the contribution of the managed seeded roadsides to the total acreage in 
hay will increase. If, eventually, the acreage in hay on farms makes up 
only one percent of the land area on the FCMU (102 acres), the 149*2 acres 
of seeded roadsides will increase the total hay acreage by over 146 percent. 
Admittedly, increasing 402 acres of hay by 37 percent, or 102 acres by 
146 percent, provides only a small amount of hay for an area of this size. 
Nevertheless, under such circumstances, the contribution of seeded roadsides 
to the nesting-cover complex could be substantial. 
3 . Ecology and Management o_f Squ 1 rrel s C. M. Nixon, 
R. E. Greenberg 
As part of a comprehensive study of gray squirrel habitat in Illinois, 
the proportion of the total squirrel harvest, in each county, that was 
composed of gray squirrels during the hunting seasons of 1956 and 1957 was 
compared with the percentage of each county in forest in 1962. A 
significant positive correlation (r = +0.82; £< 0 . 01 ) was found using the 
proportion of gray squirrels in the squirrel kill for each county as the 
dependent variable (Y) and the percentage of forest cover in the county 
as the independent variable (X). The best fi£ for the regression of (Y) 
on (X) was linear, expressed by the equation Y = 4.11 + 1 -53X. 
Using this equation as a predictor for (Y) indicates that each 10 
percent increase in the forest cover in a county increases by about 15 
percent the proportion of gray squirrels in the squirrel kill of the 
county. A county must be 30 percent forested to attain a kill composed 
50 percent of gray squirrels. 
In spring 1972, a resurvey of the county distribution of gray squirrels 
harvested during the hunting season of 1971 will be undertaken to determine 
whether significant changes in distribution of gray squirrels have occurred 
since 1956 and 1957* 
4. Responses of Bobwhites to Habitat Manipulation J. A. Ellis 
Harvest data collected during the hunting season in 1971 revealed a 
slightly higher kill on the Forbes Area than in 1970. A ki 11 of 9**+ quail 
