Home | 2005 Annual Report

 

Table 8. Frequency of plant species in 25 x 25 cm frames on overflow range sites in 1988 and 2005 and their response to long term grazing. 

 

Treatment

 

 

Ungrazed

Light

Moderate

Heavy

Extreme

 

Scientific Name - Common name

1988

2005

1988

2005

1988

2005

1988

2005

1988

2005

Grazing Response

Poa pratensis L. - Kentucky bluegrass

63.33

96.67

62.00

100.00

73.33

100.00

58.67

99.33

72.67

99.33

increase-decrease

Symphoricarpos occidentalis Hook. - buckbrush

53.33

58.00

55.33

54.00

49.33

58.00

61.33

56.00

65.33

20.00

decrease

Bromus inermis Leyss. - smooth brome

33.33

96.67

25.33

60.00

31.33

54.00

19.33

58.00

32.00

46.00

decrease

Solidago rigida L. - stiff goldenrod

32.00

38.67

40.67

50.00

28.00

66.00

9.33

75.33

12.67

56.67

increase-decrease

Aster ericoides L. - heath aster

35.33

41.33

23.33

42.67

32.00

44.00

34.67

38.67

40.00

30.67

increase

Artemisia ludoviciana Nutt. - cudweed sagewort

34.00

18.67

22.67

38.00

22.00

34.67

23.33

42.67

39.33

36.67

increase

Helianthus rigidus (Cass.) Desf. - stiff sunflower

38.67

50.00

30.00

38.67

47.33

24.00

64.67

24.67

49.33

0.00

decrease

Carex obtusata Lilj. - obtuse sedge

21.33

23.33

16.00

21.33

23.33

43.33

26.00

60.00

11.33

50.00

increase

Carex heliophila Mack. - sun sedge

46.67

6.67

30.67

3.33

34.00

11.33

30.67

20.67

63.33

63.33

increase

Achillea millefolium L. - western yarrow

6.67

6.00

8.00

29.33

2.67

34.00

3.33

43.33

2.67

88.67

increase

Elytrigia repens (L.) Desv. - quackgrass

20.67

5.33

18.67

45.33

10.00

26.67

10.67

26.00

14.00

36.67

 

Taraxacum officinale Weber - common dandelion

0.00

8.00

0.00

23.33

0.00

48.67

0.00

47.33

0.00

93.33

increase

Ambrosia psilostachya DC. - western ragweed

10.00

8.67

16.00

18.67

21.33

17.33

11.33

13.33

1.33

1.33

increase-decrease

Andropogon gerardii Vitman - big bluestem

10.00

5.33

41.33

31.33

38.00

31.33

17.33

23.33

5.33

2.67

increase-decrease

Oxalis stricta L. - yellow wood sorrel

0.00

2.67

0.00

12.67

0.00

29.33

0.00

26.67

0.00

26.67

increase

Galium boreale L. - northern bedstraw

8.00

20.00

6.00

17.33

10.67

16.00

5.33

14.67

16.00

14.00

increase-decrease

Pascopyrum smithii (Rydb.) A. Love - western wheatgrass

14.67

4.00

4.67

2.00

4.67

21.33

1.33

29.33

11.33

30.67

increase

Solidago canadensis L. - Canada goldenrod

6.00

11.33

18.67

34.00

3.33

22.00

12.00

14.00

2.67

0.67

 

Rosa arkansana Porter - prairie rose

8.67

20.00

7.33

14.67

10.00

12.67

13.33

2.00

26.00

6.67

decrease

Glycyrrhiza lepidota Pursh - wild licorice

12.00

11.33

12.67

40.67

4.67

4.00

8.67

16.00

0.00

0.00

increase-decrease

Cirsium flodmanii (Rydb.) Arthur - Flodman’s thistle

4.67

9.33

1.33

8.67

8.67

22.00

8.67

10.67

3.33

8.00

 

Agropyron caninum (L.) Beauv. - slender wheatgrass

12.00

0.00

10.00

7.33

10.67

12.67

21.33

8.67

12.67

10.67

increase

Viola pedatifida G. Don - larkspur violet

0.67

11.33

0.67

20.00

1.33

24.00

1.33

18.00

0.00

21.33

increase

Polygonum convolvulus L. - wild buckwheat

0.00

2.67

0.00

0.67

0.00

3.33

1.33

2.00

0.00

0.67

increase

Stipa viridula Trin. - green needlegrass

3.33

2.00

13.33

2.67

3.33

3.33

8.67

7.33

9.33

18.00

increase

Cerastium arvense L. - prairie chickweed

0.00

0.67

0.00

4.67

0.00

13.33

0.00

16.67

0.00

61.33

increase

Solidago missouriensis Nutt. - Missouri goldenrod

1.33

6.67

0.00

0.67

3.33

7.33

2.00

4.67

4.00

24.67

increase

Agrostis hyemalis (Walt.) B.S.P. - ticklegrass

0.00

0.00

0.00

10.00

0.00

8.67

0.00

4.00

0.00

32.67

increase

Grindelia squarrosa (Pursh) Dun. - curly-cup gumweed

0.00

0.00

0.00

4.67

0.00

8.67

0.67

26.00

4.67

43.33

increase

Aster simplex Willd. - panicled aster

2.00

5.33

13.33

20.67

0.00

0.00

5.33

3.33

0.00

0.67

increase-decrease

Androsace occidentalis Pursh - western rock jasmine

0.00

0.00

0.00

3.33

0.00

9.33

0.00

9.33

0.00

20.67

increase

Astragalus agrestis Dougl. ex G. Don - field milk-vetch

0.67

0.00

0.67

1.33

0.00

2.00

2.00

5.33

2.00

32.00

increase

Solidago mollis Bartl. - soft goldenrod

2.67

1.33

2.00

6.00

6.00

2.00

0.67

3.33

0.67

1.33

increase-decrease

Conyza canadensis (L.) Cronq. - horse–weed

0.00

0.00

0.00

1.33

0.67

2.00

0.67

0.00

0.00

0.00

increase

Carex lanuginosa Michx. - wooly sedge

0.00

0.67

0.67

5.33

1.33

0.00

0.00

1.33

0.00

0.00

increase-decrease

Ratibida columnifera (Nutt.) Woot. & Standl. - prairie coneflower

3.33

0.67

0.67

2.67

0.00

0.00

0.67

7.33

0.67

8.67

increase

Medicago lupulina L. - black medic

0.00

0.00

0.00

0.00

0.00

3.33

0.00

11.33

0.00

30.00

invader

Spartina pectinata Link - prairie cordgrass

0.00

4.67

0.00

8.67

0.00

3.33

0.00

2.00

1.33

0.67

decrease

Anemone cylindrica A. Gray - candle anemone

0.00

1.33

0.00

2.00

0.00

9.33

0.00

5.33

0.00

4.67

increase-decrease

Euphorbia serpyllifolia Pers. - thyme-leaved spurge

0.00

0.00

0.00

0.00

0.00

0.00

0.00

5.33

0.00

12.00

increase

Amorpha canescens Pursh - lead plant

1.33

0.67

0.00

0.67

0.67

0.67

6.00

1.33

1.33

0.00

decrease

Juncus balticus Willd. - Baltic rush

0.00

0.00

2.00

12.00

0.00

0.67

0.00

0.00

0.00

0.00

increase-decrease

Campanula rotundifolia L. - harebell

0.00

0.00

0.00

1.33

0.67

0.00

0.67

0.00

0.00

0.00

increase-decrease

Penstemon gracilis Nutt. - slender beardtongue

0.00

0.00

0.00

0.67

0.00

0.00

0.00

0.67

0.00

2.67

increase

Vicia americana Muhl. ex Wild. - American vetch

0.00

0.00

0.00

0.00

0.00

2.67

0.00

0.00

0.00

4.67

increase

Rumex crispus L. - curly dock

0.00

0.00

0.00

3.33

0.00

1.33

0.00

0.00

0.00

0.00

increase-decrease

Polygonum ramosissimum Michx. - bushy knotweed

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

2.00

invader

Silene antirrhina L. - sleepy catchfly

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

2.00

increase

Trifolium repens L. - white clover

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

14.67

invader

Erysimum inconspicuum (S. Wats.) MacM. - smallflower wallflower

0.00

0.67

0.00

0.00

0.00

0.67

0.00

0.67

0.00

0.00

increase

Potentilla pensylvanica L. - Pennsylvania cinquefoil

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.67

invader

Draba nemorosa L. - yellow whitlowort

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

increase

Senecio plattensis Nutt. - prairie ragwort

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

increase-decrease

Lithospermum incisum Lehm. - yellow puccoon

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.67

0.00

invader

Lepidium densiflorum Schrad. - peppergrass

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

2.00

invader