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Field Survey Summary Tables – Ecodistricts 800 & 801
66
Table 53. 2009 irrigated crops in the Delacour Plain (798) Ecodistrict in the Fescue Grassland Ecoregion
(11 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Dandelion
48.8
21.5
44.1
5.9
12.0
35.8
70.7
2
Wild buckwheat
47.0
8.8
18.7
1.0
2.2
8.0
29.7
3
Canola (Argentine)
10.2
10.2 100.0
2.1
20.8
20.8
26.0
4
Lamb's-quarters
26.5
7.3
27.7
0.6
2.2
4.4
19.4
5
Wild oats
30.7
5.1
16.7
0.7
2.3
6.4
18.9
6
Barley
6.0
4.5
75.0
1.7
28.0
28.0
16.1
7
Stinkweed
6.0
4.5
75.0
1.6
27.0
27.0
15.8
8
Shepherd's-purse
16.3
3.2
19.8
1.0
6.3
16.6
14.1
9
Chickweed
10.2
4.6
45.0
0.8
8.2
8.2
12.8
10
Kochia
20.5
4.1
20.0
0.2
1.2
2.2
12.1
11
Flixweed
6.0
5.7
95.0
0.7
11.6
11.6
11.9
12
Hemp-nettle
10.2
4.6
45.0
0.5
4.6
4.6
10.7
13
Canada thistle
12.0
2.1
17.5
0.4
3.2
4.2
8.1
14
Cleavers
16.3
1.9
11.9
0.2
1.1
2.0
8.1
15
Annual sow-thistle
16.3
0.8
5.0
0.1
0.3
0.4
6.2
16
Stork's-bill
10.2
1.0
10.0
0.1
1.2
1.2
4.9
17
Round-leaved mallow
10.2
0.5
5.0
< 0.1
0.2
0.2
3.8
18
Russian thistle
10.2
0.5
5.0
< 0.1
0.2
0.2
3.8
19
Narrow-leaved hawk's-beard
6.0
0.6
10.0
0.2
3.0
3.0
3.5
20
Bluebur
6.0
0.9
15.0
0.1
1.2
1.2
3.2
Table 54. 2009 irrigated crops in the Cardston Plain & Twin Butte Foothills (800 & 801) Ecodistricts in the
Fescue Grassland Ecoregion (17 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Dandelion
41.1
24.2
59.0
3.1
7.5
18.0
105.1
2
Downy brome
18.4
7.3
39.8
1.3
7.2
18.0
40.3
3
Field bindweed
23.3
6.4
27.5
0.7
2.9
6.0
31.0
4
Stinkweed
21.5
3.7
17.1
0.3
1.5
3.8
19.9
5
Canada thistle
18.4
4.4
24.0
0.3
1.6
3.0
19.6
6
Annual sow-thistle
25.2
3.6
14.4
0.2
0.7
1.6
19.2
7
Foxtail barley
26.4
1.6
5.9
0.2
0.6
1.6
15.9
8
Wild buckwheat
6.7
1.7
25.0
0.1
2.0
2.0
7.7
9
Japanese brome
6.7
1.3
20.0
0.1
1.2
1.2
6.3
10
Wild mustard
6.7
1.3
20.0
0.1
0.8
0.8
5.9
11
Narrow-leaved hawk's-beard
6.7
0.7
10.0
< 0.1
0.4
0.4
4.3
12
Quack grass
4.9
0.2
5.0
0.1
2.0
2.0
3.9
13
Tartary buckwheat
4.9
0.2
5.0
0.1
1.6
1.6
3.6
14
Kochia
6.7
0.3
5.0
< 0.1
0.2
0.2
3.6
15
Lamb's-quarters
6.7
0.3
5.0
< 0.1
0.2
0.2
3.6
16
Wormseed mustard
6.7
0.3
5.0
< 0.1
0.2
0.2
3.6
17
Shepherd's-purse
6.7
0.3
5.0
< 0.1
0.2
0.2
3.6
18
Ball mustard
4.9
0.2
5.0
< 0.1
0.4
0.4
2.7