of the Fish and wildlif ¢ Service bassd on food=-habits 
created by publications 
reséarch, is the mainstay of a business of” eee sy propapating material 
that at times has attained considerable volume. 
Im another direction dete provided by the tschnique of food-habits re- 
search made possible the preparation of a longs serics of pucliestions on 
methods of attréeting birds. “These wore intended primarily fer: veople desir-.- 
ee Imes 
ing to: inerenxse the numbor of birds about their homes - an esthetic considera- 
tion, but. certainly of s al portance, | as it contributes to the cnjoyment 
of life of probably half of the: fdmilies in the Yrited States. The attracting 
bird bulletins and leaflets dealt leargcly with fruits, the increase of vhich . 
would'ibe helpful, butreave some 4s ition to plants: Pecos relished sceds 
and to artificial fe acne From the beginning there was developed a 
publicetion om plants valusole for utilization and erosion control, 
which treats the whole gamut of wil ant utilities aneludines covers 
browse, herbage, mast, fruit, and sesd ais presentation placed at. the dis= 
as 
posal -of the wildlife managor basic infcrmetion of . type essential to the 
he artificial.feeding sug- 

success Of his work, but not heretofore cvyailable. Tf 
gestions were expanded into a publicstion on winter feeding of wildlife and 
about all threads of cnvironmentel amelioration have been. coversd in other 
wildlife publications. 
In the actuzl practice of wildlife technology, the environmental im- 
provement technique has developed into the cuvey-unit system of quail manage= 
ment. ‘this concept, taking into uecount alss territorial requirements of the 
bires, <ams-at the “creation, by alteration of the envircnment, of additional 
"territcrizs™ cach eee ace te tixvs for the year-round seppors of & COVeyes 
Putting the system into effect for 2 few yoars has in some instances, pro= 
duced a-larger number of coveys than had previously been scen for ho or 50 
years. Intelligent application ef the covey unit, of Bias system seems 
essentially to have solved the problem of quail management, and the principles 
Huhyor vai obviously have a place in the managemen of 2ll relatively sedentary 
forms of wildlife “uch specics are the objectives of most upland wildlife 
menagoment, eppliod on farms, and on private and public shocting preserves, 
procedure of financial and Be eee inter¢st to all farmers and. sportsmen 
concerned and there S j 
The. technique of fcod-nhab 
2s well as useful, Teedine: haba 
Ss 
research recessarily deals with injurieus 
of wildlife and thus. has led to study of 
material damage done to crop cther property and of methods of preventing 
or controlling it. From this beginning developed all the control practices 
that have been perfected in’ the Fish and Wildlife Service, for years a major 
activity of the Service. The wildlife manager, from time to time, has need 
for information on control precedurs, and it is ready mace for his use in eny 
emergency. 
WILDLIFE TECH OLOGY IF CONSERVATION 
The technology of wildlife management pervades the whole field of wild- 
ie conservetione It is as necessary to success!) in pure ayemaner ee ni as in 
ne 
gement for use. wildlife refuges, for instance, cannot serve their hign= 
sefulness if merely cstablished and forgotten. ‘without ates tion they 
h 
oa 
