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Table 2
Relationships between life expectancy at hatching (e0, h), net reproduction rate (R0, ind female−1 life−1), generation time (T, h) and intrinsic rate of population increase (rm, d−1) of B. calyciflorus cultured at three algal densities and OTC concentration (x, mg L−1)
| Parameters | Regression equation | Significant tests |
|---|---|---|
| 1.0 × 106 cells mL−1 | ||
| e0 | y = −0.006x2 + 0.874x + 146.819 | R2 = 0.773, P < 0.01 |
| R0 | y = −0.001x2 + 0.073x + 9.303 | R2 = 0.909, P < 0.01 |
| T | y = −0.002x2 + 0.278x + 111.3 | R2 = 0.447, P < 0.01 |
| rm | y = −3.489 × 10−5x2 + 0.004x + 0.505 | R2 = 0.816, P < 0.01 |
| 2.0 × 106 cells mL−1 | ||
| e0 | y = −0.008x2 + 1.308x + 141.41 | R2 = 0.796, P < 0.01 |
| R0 | y = −0.001x2 + 0.212x + 9.37 | R2 = 0.914, P < 0.01 |
| T | y = −0.004x2 + 0.633x + 99.429 | R2 = 0.735, P < 0.01 |
| rm | y = −3.356 × 10−5x2 + 0.005x + 0.586 | R2 = 0.822, P < 0.01 |
| 4.0 × 106 cells mL−1 | ||
| e0 | y = −0.007x2 + 0.892x + 156.143 | R2 = 0.854, P < 0.01 |
| R0 | y = −0.001x2 + 0.152x + 13.024 | R2 = 0.878, P < 0.01 |
| T | y = −0.004x2 + 0.643x + 99.059 | R2 = 0.707, P < 0.01 |
| rm | y = −3.627 × 10−5x2 + 0.004x + 0.633 | R2 = 0.715, P < 0.01 |
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