9€ 
TABLE 3.--TRENDS IN MOURNING DOVE BREEDING DENSITY INDEXES BY STATEy 1961-—71--CONTINUED 
WESTERN MANAGEMENT UNIT 
“TP ane ee EER RE CRS SEONG ESC 7} 
AREA = _ADJUSTED_AVERAGE DOVES HEARD CALLING PER ROUTE 1.2/4 _PERCENT CHANGE _ STAT. 
-SIAIE____WEIGHT__1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 _TOTAL___ ANNUAL _SIGNe_3/ 
HUNTING STATES 

ARIZ. T2265 3463 2348 2267 27466 26.66 3064 27-66 23.28 27-0 19-6 14.0 —-33.6 -4.0 P .<-95 
CALIF. 1LOlLe71L 2620 29.22 29.2 32.0 21.6 17.3 14-2 12.0 11-5 11-0 11.2 -72.9 -12.1 P .99 
IDAHO 54037 18.0 18.3 18.3 2066 19.4 18.6 17.8 18.0 17.0 22.3 23.2 15.9 1.5 N.S. 
NEV. 71.27 20-3 162 1468 269 22-7 420 464 8.22 623 528 3.23 270.0 14.1 P «£95 
OREG. 62-27 21.22 18-2 16-8 18.1 14-1 14.0 12-9 13.2 14.9 10.2 11.7 -45.0 -5.8 P .99 
UTAH 53634 14.68 13466 1364 1269 1367 14-68 2262 1263 846 7.1 1245 —26.5 -3.0 NeSe 
WASHs ____§_43487__ 922 1120 928 L302 1321 1323 11.4 10-5 Ll.) 1223 120% 15el_ 124 Ne Se 
TOTAL_____ 459248 19.) 1707 1723 1925 16.4 1603 Joe7 1420 1329 12.4 12.2 -3624 =-4e4 Pe 9D 
cee nm mi me ee eae a ee a ee see Se re 
UNITED STATES SUMMARY 

Se er ee ee ee 


AREA -ADJUSTED_ AVERAGE DOVES HEARD CALLING PER ROUTE 1s2/__ PERCENT CHANCE — STAT. 
—STATE____WEIGHT 1961 1962 1963 15964 1965_1966_ 1967_1968 1969 1970 197) TOTAL __ 
HUNT 1377.95 234.6 2264 21-2 22-8 20-9 22.0 20-2 19.9 19-2 19-2 18-1 -20.7 =—2e03 P .99 
NONHUNT___ 509.2% 2522 2120 21.2 2224 2024 2126 2028 1828 1827 723 Je? =2528_ =) CS ee 
SOTAL____18 87,19 24-0. 2229 2122 222752028 21.9 2004 1926 19.0 18.7 1820 -222]___ =2a5 P_299 

1/ THE AVERAGE NUMBER OF DOVES HEARD PER ROUTE ADJUSTED ANNUALLY TO A BASE YEAR ACCORDING TO THE 
PERCENT CHANGE FROM PRECEDING YEAR ON COMPARABLE ROUTES. EXCEPT AS NOTED, 1967 SELECTED AS BASE 
YEAR, REPRESENTING THE MEAN NUMBER OF DOVES HEARD ON COMPARABLE ROUTES RUN IN BOTH 1966 AND 1967. 
MAINE» NeHey Refers AND VT~j INDEXES ASSIGNED 1971 BASE YEAR, REPRESENTING THE MEAN NUMBER OF DOVES 
HEARD ON COMPARABLE ROUTES RUN IN BOTH 1970 AND 1971. SEE TEXT FOR ADDITIONAL INFORMATION. 
2/ UNIT AND SUBUNIT INDEXES DERIVED FROM WEIGHTED STATE VALUES (THIS TABLE) CARRIED TO 3 POSITIONS.} 
3/ STATISTICAL SIGNIFICANCE OF TRENDS: NeSe = NOT SIGNIFICANT (P<.90)3 NeE~ = NO ESTIMATE AVAILABLE. 
4/ STATE DATA NOT REPRESENTED IN MANAGEMENT UNIT MEANS. 

