Utah 
W. Vae 
Ala. 
Ala. 
= 2] = 
The Influence of Small Mammals n Range Forage Production 
and Availability. (1) Learn extent of competition for range 
forage between rabbits and rodents, and livestock. (2) Evaluate 
forage consumption of small mammals and resultant effect on range 
condition. (3) Learn influence of small mammals on natural plant 
succession. 
Range Mgt. 473 
Animal Repellents on Hardwood Forest Plantations. To deter- 
mine (1) extent of wild animal injury to hardwood forest planta- 
tions on spoil-banks and in other locations. (2) extent of pro- 
tection given by chemical repellents, (3) optimum time and fre- 
quency of application of repellents, and (4) cost of application 
of repellents on hardwood plantations of young trees. 
For. 37 
B. Fish and Oysters 
The Invertebrate Animals Serving as Food for Fish in 
Alabama Ponds. Learn species, seasonal cycles of abundance, 
utilizati on, and ecology of the invertebrate animals that serve 
as food for pond fish. 
Zool.e, Ent. 425 
A Survey of the Parasites of Pondfishes in Alabama and Their 
Control. Gy Learn species, relative abundance and seasonal 
distribution of protozoan, helminth and arthropod parasites affect- 
ing pondfish. (2) Learn effects of parasites on growth and mortal- 
ity of pondfishes. (3) Develop methods for control of more impor- 
tant fish parasites. 
Zoole, Ent. 426 
Chemical Control of Weeds in Ponds. To test (1) effective- 
ness of commercial and experimental herbicides and algacides on 
common pond weeds; (2) toxicity of herbicides and algacides to 
fish and fish food organisms, and their effects on fish production, 
plankton and bottom organism production; (3) effects of herbicides 
or algacides on flavor of fish. 
Zoole, Ent. 427 
Fish Production and Management in Hatchery Ponds and Naturai. 
Lakes _in Michigan. To determine (2) potentialities of small, 
private waters in production of food and/or cash crop of fish, 
and determine methods of management of such ponds, and (2) deter- 
mine possibilities and methods of increasing production of fish 
in natural lakes. 
Fisheries and Wildlife 21 

