Table 3 |
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|
Land cover types found on the five wine grape-growing ranches in Mendocino County, California, considered in this study |
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|
Number of Vegetation Plots |
Number of Soil Pits |
Habitat Type |
Elevation (meters) |
Slope (degrees) |
Solar Radiation (W-hr/m2/yr) |
|
|
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|
0 |
19 |
Vineyard I |
173 |
0.7 |
2.18*106 |
|
0 |
6 |
Vineyard II |
572 |
10.7 |
1.99*106 |
|
0 |
2 |
Annual Grassland |
213 |
5.0 |
2.27*106 |
|
17 |
1 |
Valley Riparian |
152 |
0.4 |
2.18*106 |
|
39 |
2 |
Mixed Hardwoods I |
534 |
21.3 |
1.97*106 |
|
26 |
13 |
Mixed Hardwoods II |
225 |
10.7 |
2.16*106 |
|
11 |
1 |
Mixed Conifer-Hardwood |
407 |
25.8 |
2.06*106 |
|
|
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|
The classification process consisted of a partitioning around mediod (PAM) analysis, which used 1013 random points and binned them into similar groups based on four variables: land cover; elevation; slope; and solar radiation (see methods). |
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|
Williams et al. Carbon Balance and Management 2011 6:11 doi:10.1186/1750-0680-6-11 |
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