Download or read book Mourning Dove Status Report 1971 written by James L. Ruos and published by . This book was released on 1972 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: U.S. mourning dove population indexes declined from 1970 to 1971 by 5% in the Eastern Management Unit, 4% in the Central Management Unit and by 2% in the Western Management Unit. The 1971 indexes were below the 10-year means, 1961-70, by 7% in the Eastern Unit, 15% in the Central, and 25% in the Western. Regression analyses of the call-count data for 1961-71 indicate a statistically significant downward trend in dove breeding populations in all management units; mean rates of decline were 1% a year in the Eastern Unit, 2.5% a year in the Central, and 4.4% in the Western.
Download or read book Mourning Dove Status Report written by and published by . This book was released on 1960 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mourning Dove Status Report 1971 written by and published by . This book was released on 1972 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mourning Dove Status Report written by and published by . This book was released on 1977 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mourning Dove Status Report 1973 written by and published by . This book was released on 1974 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mourning dove population indices, as determined from the nationwide Call-Count Survey, decreased from 1972 to 1973 by 7% in the Eastern Management Unit, by 8% in the Central Management Unit, but increased by 8% in the Western Management Unit. The 1973 indices were below the 10-year means, 1963-1972, by 9% in the Eastern Unit, 6% in the Central Unit, and 4% in the Western Unit. Regression analyses of the call-count data for 1963-73 indicate a statistically significant downward trend in dove breeding populations in all management units; mean rates of decline per year were 1% in the Eastern, 2% in the Central and 4% in the Western Unit.
Download or read book Mourning Dove Status Report 1972 with List of Literature Cited written by James L. Ruos and published by . This book was released on 1974 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mourning dove population indices, as determined from the nationwide Call-Count Survey, increased from 1971 to 1972 by 2% in the Eastern Management Unit, by 17% in the Central Management Unit, and by 12% in the Western Management Unit. The 1972 indices were below the 10-year means, 1962-1971, by 3% in the Eastern Unit and 13% in the Western Unit, but were 2% above the 10-year mean in the Central Unit. Regression analyses of the call-count data for 1962-72 indicate a statistically significant downward trend in dove breeding populations in all management units; mean rates of decline per year were 1% in the Eastern, 2% in the Central and 4% in the Western Unit.
Download or read book Mourning Dove Status Report 1972 with List of Literature Cited written by James L. Ruos and published by . This book was released on 1974 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mourning dove population indices, as determined from the nationwide Call-Count Survey, increased from 1971 to 1972 by 2% in the Eastern Management Unit, by 17% in the Central Management Unit, and by 12% in the Western Management Unit. The 1972 indices were below the 10-year means, 1962-1971, by 3% in the Eastern Unit and 13% in the Western Unit, but were 2% above the 10-year mean in the Central Unit. Regression analyses of the call-count data for 1962-72 indicate a statistically significant downward trend in dove breeding populations in all management units; mean rates of decline per year were 1% in the Eastern, 2% in the Central and 4% in the Western Unit.
Download or read book Mourning Dove Status Report 1966 written by and published by . This book was released on 1968 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nationwide dove population indexes presented in the 1966 Mourning Dove Status Report were obtained, using several important in data gathering and analysis. Data analyses suggest that 1966 dove populations have fully recovered from the 1965 decline in the Eastern and Central Management Units, and partially recovered in the Western Management Unit. Present populations approximate those of the 1956-1965, 10-year means in all units.
Download or read book Mourning Dove Status Report 1970 written by James L. Ruos and published by . This book was released on 1971 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: U.S. mourning dove population indexes increased by 4% from 1969 to 1970 in the Eastern Management Unit, but declined 2% in the Central Management Unit and 11% in the Western Management Unit. The changes were below the 10-year means, 1960-69, by 3% in the Eastern Unit, 15% in the Central, and 27% in the Western. Regression analyses of the call-count data for 1960-70 indicate a statistically significant downward trend in dove breeding populations in all management units; mean rates of decline were 1% a year in the Eastern Unit, 3% a year in the Central, and 4% in the Western
Download or read book Resource Publication written by and published by . This book was released on 1987 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research and Development Series written by and published by . This book was released on 1987 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Special Scientific Report wildlife written by and published by . This book was released on 1973 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Special Scientific Report wildlife written by U.S. Fish and Wildlife Service and published by . This book was released on 1979 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wildlife Review written by and published by . This book was released on 1975 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lethal Dietary Toxicities of Environmental Pollutants to Birds written by and published by . This book was released on 1975 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt: « This report is a compilation and analysis of the results of nearly 10 years of testing the lethal dietary toxicities of pesticidal and industrial chemicals to young bobwhites (Colinus virginianus), Japanese quail (Coturnix c. japonica), ring-necked pheasants (Phasianus colchicus), and mallards (Anas platyrhynchos). A total of 131 compounds were tested. » --
Download or read book Monthly Catalog of United States Government Publications Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1976 with total page 1466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Resource Publication United States Bureau of Sport Fisheries and Wildlife written by and published by . This book was released on 1972 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt:
