Plasma osmolality and calculated equivalent water potential for excavated N. nichollsi and N. aquilonius, soil moisture content corresponding to this pressure (balancing soil moisture) and the actual soil moisture found at the site of excavation (field soil moisture)
| . | . | Plasma osmolality (mOsm kg−1) . | Equivalent water potential (kPa) . | Balancing soil moisture (%) . | Field soil moisture (%) . | Moisture surplus (%) . |
|---|---|---|---|---|---|---|
| Notaden nichollsi | 2003 Dune | 351 | −869 | 1.2 | 0.4 | −0.8 |
| 2004 Dune | 271 | −671 | 1.2 | 1.5 | +0.3 | |
| 2004 Swale | 249 | −618 | 4.3 | 5.1 | +0.8 | |
| Neobatrachus aquilonius | 2003 Claypan | 324 | −803 | 3.8 | 1.9 | −1.9 |
| 2004 Swale | 195 | −483 | 4.4 | 3.0 | −1.4 | |
| 2004 Claypan | 211 | −522 | 3.8 | 3.7 | −0.1 |
| . | . | Plasma osmolality (mOsm kg−1) . | Equivalent water potential (kPa) . | Balancing soil moisture (%) . | Field soil moisture (%) . | Moisture surplus (%) . |
|---|---|---|---|---|---|---|
| Notaden nichollsi | 2003 Dune | 351 | −869 | 1.2 | 0.4 | −0.8 |
| 2004 Dune | 271 | −671 | 1.2 | 1.5 | +0.3 | |
| 2004 Swale | 249 | −618 | 4.3 | 5.1 | +0.8 | |
| Neobatrachus aquilonius | 2003 Claypan | 324 | −803 | 3.8 | 1.9 | −1.9 |
| 2004 Swale | 195 | −483 | 4.4 | 3.0 | −1.4 | |
| 2004 Claypan | 211 | −522 | 3.8 | 3.7 | −0.1 |
A negative moisture surplus indicates a deficit of water to osmotic balance requirements.