Ecological Archives E087-003-A1

Guiming Wang, N. Thompson Hobbs, Randall B. Boone, Andrew W. Illius, Iain J. Gordon, John E. Gross, and Kenneth L. Hamlin. 2006. Spatial and temporal variability modify density dependence in populations of large herbivores. Ecology 87:95–102.

Appendix A. Tables showing annual counts of five ungulate populations in the Rocky Mountains region, USA.

TABLE A1. Annual counts (N) of elk in the National Elk Refuge, Wyoming, USA, from 1912 to 1986.  Missing data are marked with “NA.”

Year

N

Year

N

1912

7250

1950

9700

1913

4000

1951

9500

1914

6150

1952

8547

1915

NA

1953

9200

1916

8000

1954

9530

1917

6000

1955

8000

1918

10000

1956

11612

1919

3000

1957

8000

1920

8000

1958

7000

1921

3500

1959

6543

1922

4300

1960

5776

1923

3400

1961

6705

1924

4800

1962

8222

1925

5500

1963

5827

1926

NA

1964

7916

1927

6605

1965

7946

1928

7500

1966

6556

1929

6000

1967

7665

1930

7000

1968

6809

1931

3110

1969

9205

1932

8400

1970

9196

1933

7460

1971

8877

1934

NA

1972

8450

1935

9500

1973

7480

1936

4200

1974

8556

1937

4000

1975

7450

1938

6655

1976

8373

1939

7637

1977

5732

1940

9500

1978

8891

1941

11000

1979

8552

1942

11185

1980

7980

1943

11700

1981

6300

1944

NA

1982

7235

1945

6443

1983

6269

1946

8000

1984

5366

1947

NA

1985

6266

1948

NA

1986

6726

1949

9423

   

 

TABLE A2. Annual counts (N) of elk in the Rocky Mountain National Park (RMNP), Colorado, Yellowstone National Park (YNP), Wyoming, the Gravelly Mountains (Gravelly), Montana, USA, and bison in Yellowstone National Park.  Missing data are marked with “NA.”

Year

RMNP elk (N)

YNP elk (N)

Gravelly Elk (N)

YNP bison (N)

1965

510

     

1966

521

   

442

1967

502

   

229

1968

382

   

401

1969

677

4309

1891

418

1970

502

5593

2519

484

1971

591

7282

3118

718

1972

688

8215

2929

729

1973

467

9981

2923

785

1974

608

10529

2391

922

1975

538

12607

2044

1071

1976

988

12014

2396

1178

1977

580

8980

2506

1353

1978

932

12680

2749

1579

1979

826

10838

NA

1783

1980

852

NA

3457

2088

1981

918

NA

3136

2397

1982

797

16019

3627

2245

1983

1562

NA

3339

2157

1984

929

NA

4252

2259

1985

1149

NA

5256

2553

1986

864

16286

5015

2833

1987

896

17007

5055

2983

1988

978

18913

4015

3294

1989

812

10991

4890

3285

1990

868

14829

4892

3113

1991

1162

9451

5226

3440

1992

905

12859

5979

3628

1993

753

17585

5306

3408

1994

600

19045

7286

4119

1995

1221

16791

6917

4352

1996

788

NA

5768

4010

1997

988

11692

7720

4076

1998

1184

11742

6396

2116

1999

1036

14538

8098

2333

2000

 

13400

   


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