Table 3.
Results of Coccidioides DNA testing at sampling sites west of Edwards AFB adjacent to Antelope Acres.
| Location | Soil Type and Soil Map Unit | Site Description | Coordinates | Detection of Coccidioides DNA * | |
|---|---|---|---|---|---|
| AA-1 | Adelanto coarse sandy loam, 2 to 5% slopes (AcA) | grassland, mostly invasive Bromus spp. and native and non-native annuals | 34°44′48.97″ N | 118°18′57.87″ W | neg |
| AA-2 | Cajon loamy sand, loamy substratum, 0 to 2% slopes (CbA) | grassland, mostly invasive Bromus spp. and native and non-native annuals | 34°44′23.01″ N | 118°18′59.69″ W | neg |
| AA-3 | Cajon loamy sand, loamy substratum, 0 to 2% slopes (CbA) | grassland, mostly invasive Bromus spp. and native and non-native annuals | 34°43′59.80″ N | 118°18′59.03″ W | neg |
| AA-4 | Cajon loamy sand, 0 to 2% slopes (CaA) | eroded landscape with scattered vegetation, mostly native and non-native annuals | 34°44′04.22″ N | 118°18′25.29″ W | neg |
| AA-5 | Cajon loamy sand, loamy substratum, 0 to 2% slopes (CbA) | eroded landscape with scattered vegetation, mostly native and non-native annuals | 34°44′20.40″ N | 118°18′24.36″ W | pos |
| AA-6 | Cajon loamy sand, 0 to 2% slopes (CaA) | eroded landscape with scattered vegetation, mostly native and non-native annuals | 34°44′34.60″ N | 118°18′24.82″ W | pos |
| AA-7 | Adelanto coarse sandy loam, 2 to 5% slopes (AcA) | eroded area dominated by rabbit brush (Ericameria nauseosa) | 34°44′42.86″ N | 118°18′25.24″ W | pos |
| AA-8 | Cajon loamy sand, loamy substratum, 0 to 2% slopes (CbA) | eroded area dominated by rabbit brush (Ericameria nauseosa) | 34°44′50.91″ N | 118°18′16.91″ W | neg |
| AA-9 | Cajon loamy sand, loamy substratum, 0 to 2% slopes (CbA) | eroded landscape with scattered vegetation, mostly native and non-native annuals | 34°44′48.56″ N | 118°18′03.94″ W | neg |
| AA-10 | Cajon loamy sand, loamy substratum, 0 to 2% slopes (CbA) | eroded landscape with scattered vegetation including tumble weeds (Salsola sp.) | 34°44′35.76″ N | 118°18′03.89″ W | neg |
| AA-11 | Cajon loamy sand, loamy substratum, 0 to 2% slopes (CbA) | abandoned agricultural field with scattered growth of invasive grasses (Bromus spp. and others) | 34°44′11.53″ N | 118°17′55.99″ W | neg |
| AA-12 | Cajon loamy sand, 0 to 2% slopes (CaA) | grassland, mostly invasive Bromus spp. and native and non-native annuals | 34°43′58.90″ N | 118°18′10.16″ W | neg |
* Sites were indicated as positive for the pathogen’s DNA when at least one out of three soil samples tested positive via nested PCR (with at least one diagnostic primer pair).