Table 1 Location and abiotic conditions at each of the four study sites.
Site | Latitude Longitude | Geology | Soil type / texture | Soil depth (cm) | Slope (%) |
|---|---|---|---|---|---|
Cortana | 30° 22′ 19.2″ N 97° 52′ 37.2″ E | Glen Rose limestone | Brackett-rock outcrop / gravelly clay loam | 0 to 50 | 10 |
Reicher | 30° 19′ 2″ N 97° 6′ 52.8″ E | Glen Rose limestone | Brackett-rock outcrop / gravelly clay loam | 0 to 50 | 8 to 12 |
Slaughter Creek | 30° 12′ 18″ N 97° 54′ 25.2″ E | Edwards limestone | Purves silty clay, Bracket-rock outcrop, and Crawford clay / clay, silty clay | 0 to 102 | 1 to 3 |
Onion Creek | 30° 4′ 19.2″ N 97° 56′ 42″ E | Edwards limestone | Rumple-Comfort / gravelly clay loam | 30 to 91 | 4 to 6 |