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Field Survey Summary Tables – Ecodistricts 787, 788 & 801
67
Table 55. 2009 irrigated crops in the Majorville Upland, Standard Plain & Blackfoot Plain (787, 788 &
790) Ecodistricts in the Moist Mixed Grassland Ecoregion (15 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Wild buckwheat
40.7
13.3
32.6
1.1
2.6
5.8
51.4
2
Canola (Argentine)
25.2
10.5
41.7
1.4
5.5
15.4
46.5
3
Dandelion
21.6
8.0
37.3
1.4
6.4
16.4
41.4
4
Wild oats
26.8
5.0
18.6
1.0
3.6
7.0
31.9
5
Canada thistle
28.1
4.9
17.3
0.4
1.3
2.6
23.0
6
Annual sow-thistle
30.2
4.1
13.4
0.3
1.0
1.6
21.3
7
Chickweed
18.7
1.9
9.9
0.2
1.0
2.4
12.4
8
Kochia
13.0
3.2
25.0
0.2
1.2
2.0
12.1
9
Redroot pigweed
19.5
2.3
11.7
0.1
0.5
0.8
12.0
10
Spiny annual sow-thistle
6.1
1.8
30.0
0.4
6.2
6.2
10.8
11
Lamb's-quarters
15.5
2.1
13.7
0.1
0.7
1.0
10.3
12
Shepherd's-purse
15.5
1.1
7.1
0.1
0.8
1.4
9.0
13
Cleavers
6.1
1.8
30.0
0.1
1.8
1.8
6.7
14
Quack grass
9.0
0.4
5.0
< 0.1
0.2
0.2
4.1
15
Narrow-leaved hawk's-beard
9.0
0.4
5.0
< 0.1
0.2
0.2
4.1
16
Round-leaved mallow
6.5
0.3
5.0
< 0.1
0.4
0.4
3.1
Table 56. 2009 irrigated annual crops in the Majorville Upland, Standard Plain & Blackfoot Plain (787, 788
& 790) Ecodistricts in the Moist Mixed Grassland Ecoregion (13 fields)
Frequency Field Uniformity
Field Density (#/m
2
)
Relative
Rank Species
(%)
All Occurrence All Occurrence High Abundance
1
Wild buckwheat
46.5
15.2
32.6
1.2
2.6
5.8
59.2
2
Canola (Argentine)
28.9
12.0
41.7
1.6
5.5
15.4
54.6
3
Wild oats
30.7
5.7
18.6
1.1
3.6
7.0
37.4
4
Annual sow-thistle
34.5
4.6
13.4
0.3
1.0
1.6
24.0
5
Canada thistle
24.7
4.8
19.5
0.3
1.4
2.6
21.2
6
Chickweed
21.4
2.1
9.9
0.2
1.0
2.4
14.0
7
Kochia
14.9
3.7
25.0
0.2
1.2
2.0
13.7
8
Redroot pigweed
22.3
2.6
11.7
0.1
0.5
0.8
13.3
9
Spiny annual sow-thistle
7.0
2.1
30.0
0.4
6.2
6.2
12.8
10
Lamb's-quarters
17.7
2.4
13.7
0.1
0.7
1.0
11.5
11
Shepherd's-purse
17.7
1.3
7.1
0.1
0.8
1.4
10.1
12
Dandelion
10.3
2.1
20.0
0.1
1.0
1.0
8.3
13
Cleavers
7.0
2.1
30.0
0.1
1.8
1.8
7.7
14
Quack grass
10.3
0.5
5.0
< 0.1
0.2
0.2
4.5
15
Narrow-leaved hawk's-beard 10.3
0.5
5.0
< 0.1
0.2
0.2
4.5
16
Round-leaved mallow
7.4
0.4
5.0
< 0.1
0.4
0.4
3.5