TABLE III. Semivariogram models and parameters of larval mortality by temephos on populations of the yellow fever mosquito Aedes aegypti .
| Year | Kriging | Model | Nugget (C0) | Partial sill (C) | Sill (C0+C) | Proportion (C/C+C0) | Range (h r, m) | Randomness (C0/C) | Mean errors |
|---|---|---|---|---|---|---|---|---|---|
| 1999-2000 | Ordinary | Gaussian | 132.963 | 639.079 | 772.042 | 0.827778 | 593820.368 | 0.208054 | -0.027 |
| 2000-2001 | Simple | Gaussian | 231.740 | 640.182 | 871.922 | 0.734219 | 632424.376 | 0.361991 | -0.059 |
| 2002-2003 | Simple | Exponential | 391.601 | 972.709 | 1364.31 | 0.712968 | 3658678.194 | 0.402588 | -0.203 |
| 2004-2005 | Ordinary | Gaussian | 224.524 | 176.033 | 400.557 | 0.439471 | 695175.201 | 1.275465 | 0.101 |
| 2006-2007 | Ordinary | Exponential | 162.384 | 669.389 | 831.773 | 0.804774 | 1175553.465 | 0.242585 | -0.096 |
| 2008-2009 | Ordinary | Circular | 57.218 | 723.989 | 781.207 | 0.926757 | 947927.124 | 0.079032 | 0.266 |
| 2010-2011 | Ordinary | Circular | 367.832 | 262.731 | 630.563 | 0.416661 | 507101.080 | 0.714269 | 1.576 |