Areas not digitized |
Barren, developed, exposed, water, urban land |
N/A |
0.00 |
Cereal crop |
Barley, millet, oats, rye, spelt, triticale, wheat |
0.002
–15 |
0.00 |
Corn |
Anecdotal evidence of floral resources provided (but see Roulston
et al. 2000) |
0.3–38 |
0.00 |
Soybean |
Anecdotal evidence of floral resources provided (but see
Erickson et al. 1978, Ahrent and Caviness 1994) |
1.5–55 |
0.00 |
Herbs, field vegetables |
Non-flowering or harvested before flowering |
0.02–5.4 |
0.00 |
Semi-natural
|
Grass land, shrub land
|
0.4–35
|
0.20 (late-spring)
2.82 (early-summer)
1.00 (mid-summer)
1.53 (late-summer)
|
Forage
|
Medicago sativa, hay, pasture, Trifolium spp.
|
1.7–60
|
3.67 (late-spring)
3.49 (early-summer)
4.23 (mid-summer)
1.49 (late-summer)
|
Forest
|
|
4.6–87
|
0.14 (late-spring)
0.55 (early-summer)
|
Apple |
Malus pumila
|
0.05–4.2 |
41.6
(late-spring) |
Asparagus |
Asparagus officinalis |
0.01–0.5 |
0.84
(early-summer) |
Bean |
Phaseolus vulgaris |
0.006–0.5 |
0.08
(mid-summer) |
Cucumber |
Cucumis sativus |
0.003–0.02 |
0.28
(late-summer) |
Melon |
Cucumis melo |
0.01–0.8 |
0.24
(mid-summer) |
Potato
|
Solanum tuberosum
|
0.26–0.29
|
0.75 (early-summer)
0.88 (mid-summer)
|
Raspberry
|
Rubus idaeus, R. strigosus,
R. occidentalis
|
0.002–0.9
|
2.31 (early-summer)
|
Squash
|
Cucurbita spp.
|
0.01–7.1
|
0.37 (early-summer)
0.66 (mid-summer)
1.09 (late-summer)
|
Strawberry
|
Fragaria × ananassa
|
0.5–3.5
|
12.6 (late-spring)
13.0 (early-summer)
|
Sunflower
|
Helianthus annuus
|
0.005–0.05
|
31.2 (early-summer)
33.8 (mid-summer)
36.3 (late-summer)
|
Watermelon |
Citrullus lanatus |
0.01–0.2 |
0.14
(mid-summer) |
Unknown crop
|
|
0.08–21
|
0–1.30 (late-spring)
0–1.57 (early-summer)
0–0.84 (mid-summer)
0–0.54 (late-summer)
|
Hedgerow
|
Areas bordering agricultural fields with shrubs or trees
|
0.05–6.8
|
0–1.30 (late-spring)
0–1.57 (early-summer)
0–0.84 (mid-summer)
0–0.54 (late-summer)
|
Potentially resource-providing crop
|
Brassica rapa, B. napus, B. juncea, Capsicum
annuum, Fagopyrum esculentum, Lycopersicon esculentum,
Physalis spp., Pisum sativum, Prunus avium,
Pyrus communis, Rubus fruticosus
|
0.002–1.1
|
0–1.30 (late-spring)
0–1.57 (early-summer)
0–0.84 (mid-summer)
0–0.54 (late-summer)
|