Pittman-Robertson Project (S.D.); Antelopes -- South Dakota; Pronghorns -- South Dakota; Pronghorns -- Counting -- South Dakota; Antelopes -- Counting -- South Dakota
Western South Dakota's antelope population (15,098) was fairly close to the recommended population (14,450) as of July 1, 1953. In only one unit was the antelope population consider-ably below the recommended. The buck:doe:kid ratio for the...
Pittman-Robertson Project (S.D.); Antelopes -- South Dakota; Pronghorns -- South Dakota; Pronghorns -- Counting -- South Dakota; Antelopes -- Counting -- South Dakota
The South Dakota antelope population as of July 1, 1954 was estimated at 18,000. Since 1953 there was a 12 percent increase in the antelope population in those counties in the better antelope range. The Lower Cheyenne Management Unit (which is...
Pittman-Robertson Project (S.D.); Antelopes -- South Dakota; Pronghorns -- South Dakota; Pronghorns -- Counting -- South Dakota; Antelopes -- Counting -- South Dakota
Before the 1955 September hunting season, South Dakota had almost 17,000 antelope. Heavy harvests of some trouble herds during the fall of 1954 reduced the state herd by about 6 percent. The doe:kid ratios as determined by aerial counts early in...
Pittman-Robertson Project (S.D.); Antelopes -- South Dakota; Pronghorns -- South Dakota; Pronghorns -- Counting -- South Dakota; Antelopes -- Counting -- South Dakota
The purpose of this survey was to determine the composition, distribution and total number of antelope in Perkins, western Corson, Harding, Butte, Meade, northern Ziebach, eastern Pennington, eastern Custer, Fall River, Jackson, Haakon and Stanley...
Pittman-Robertson Project (S.D.); Antelopes -- South Dakota; Antelopes -- Counting -- South Dakota; Pronghorns -- South Dakota; Pronghorns -- Counting -- South Dakota
An aerial spring antelope census was made in 1959 to ascertain the population and the buck: doe: kid ratio on the better antelope ranges in South Dakota. Data obtained from the census indicated an antelope population of 20,270, a 30% increase over...
Antelopes -- South Dakota; Pronghorns -- South Dakota; Antelopes -- Counting -- South Dakota; Pronghorns -- Counting -- South Dakota; Pittman-Robertson Project (S.D.)
An aerial spring antelope census was made in 1958 to ascertain the population and the buck:doe:kid ratio in eleven West-River counties in South Dakota. Data obtained from the census indicated an antelope population of 15,585, an 8% decrease from...
Pittman-Robertson Project (S.D.); Antelopes -- South Dakota; Antelopes -- Counting -- South Dakota; Pronghorns -- South Dakota; Pronghorns -- Counting -- South Dakota
The 1967 spring antelope inventory of adults, and the doe:kid ratio, found the population to be near the anticipated level. Reproduction was normal in all sample areas. A higher than expected doe:kid ratio was found in the northern east river...
Pittman-Robertson Project (S.D.); Antelopes -- South Dakota; Antelopes -- Counting -- South Dakota; Pronghorns -- South Dakota; Pronghorns -- Counting -- South Dakota
The 1968 breeding population was slightly lower than anticipated West River and slightly higher East River. Reproduction was normal in nearly all areas. Calculated July population was 22,142 head. This is about 10,000 below the carrying capacity...
Pittman-Robertson Project (S.D.); Antelopes -- South Dakota; Antelopes -- Counting -- South Dakota; Pronghorns -- South Dakota; Pronghorns -- Counting -- South Dakota
The 1969 adult breeding population was 2,000 antelope more than the preceding year. Severe over-wintering losses that were not successfully censused, occurred in the northern East River areas. Reproduction was below normal in the northern...
Pittman-Robertson Project (S.D.); Antelopes -- South Dakota; Antelopes -- Counting -- South Dakota; Pronghorns -- South Dakota; Pronghorns -- Counting -- South Dakota
An aerial inventory was conducted between June 3, and July 8, 1970. The July 1970 population for western South Dakota of 25,100 antelope
indicates an increase of 1,500 animals since the July 1969 inventory. No data was obtained for eastern South...
Pittman-Robertson Project (S.D.); Antelopes -- South Dakota; Antelopes -- Counting -- South Dakota; Pronghorns -- South Dakota; Pronghorns -- Counting -- South Dakota
The aerial spring antelope survey was conducted between May 14 and July 8, 1971. The July population was 34,690 antelope for Western South Dakota. McPherson County in eastern South Dakota showed a population of 88 antelope. This was the only unit...
Pittman-Robertson Project (S.D.); Antelopes -- South Dakota; Antelopes -- Counting -- South Dakota; Pronghorns -- South Dakota; Pronghorns -- Counting -- South Dakota
The aerial spring antelope survey was conducted between May 12 and July 10, 1972. The July population was 34,894 antelope for Western South Dakota and 398 for eastern South Dakota, a total of 35,292 in the South Dakota Hunting Units. This...