Vol. 2b , Mo. 7 
Page 2 
r u 'in nf the stands were of seed-bearing egs (>40 
:?e°d^f an for«t S ;™d ct:: n uc re orations are shortsighted. They fall to 
E ?'S2 r?’ ~ 
for many'other species, these snail, scattered tracts are inadequate to 
perpetuate viable populations. 
Rotation aqe (the years between clear-cuts) is usually 80-120 years in 
hardwood stands in Illinois. Mistakes made now in cutting these forests wi 
persist well into the 21 st century. 
Smi SS , "«‘-i«-^ S*SiS„:Th.’^i- 
stand size, if there is one. 
Arcordinolv we believe our recommendation to keep clear-cuts <20 acres 
was t^ fo/many species and that a suitable “J^'^T^^ide 
between 20 and <l 0 acres, perhaps abound 30 ■acres. «« jud ^ ious placement 
S f * these 30 -acre stands, TAl * oS i -in Vh'/^mon^ the whole forest 
shouM^rovide^ultabte niches for a di-s^auna. Je continue to recommend 
“nor' '"JSHZ*T P Zi: i^^ usually^ 2 5 to 30 years. 
on - V/- 66 -R 
R.L. V/estemeier, 
J.E. Buhnerkempe 
Responses of Prairie Chickens to HabUat Hanj pula tj 
- Arts* 1 *' iHiJSASSr 
County this spring 0981), the praine cn e Jtr , b|Jted over the 5 sanct uary 
record since censusing 9 no roc t s : n Marion County were located on or 
S 4SWrIW-“i cover'on 5 the sanctuartes--a S recommended 
ssr: J .»rsrr JS ga^s-rs-us S 
2.6 km 2 of nest cover. 
