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Ecologia reproductiva y colonialidad del piquero café Sula leucogaster (AVES: SULIDAE), en el PNN Gorgona, Pacífico colombiano

by Ospina-Alvarez, Andres, BS


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ANEXO A.

Modelo binario logístico que correlaciona los parámetros físicos en los sitios de
nido en las colonias del piquero café con el éxito reproductivo de la temporada
octubre 2002 – enero 2003. Paquete estadístico SPSS 9.0

Total number of cases: 77 (Unweighted)
Number of selected cases: 77
Number of unselected cases: 0
Number of selected cases: 77
Number rejected because of missing data: 0
Number of cases included in the analysis: 77

Dependent Variable.. ER Exito reproductivo
Beginning Block Number 0. Initial Log Likelihood Function
-2 Log Likelihood 102.00758
* Constant is included in the model.

Beginning Block Number 1. Method: Enter
Variable(s) Entered on Step Number
1.. Z Altura Mareal (m)
TER Tipo de terreno
HMHR Inclinación HM HR
INC Inclinación º
CVEG Cobertura vegetal
PAR paredes
TEC Techo
GRI Grietas
DRE Drenaje
PLAT Plataforma
APLA Ancho de plataforma cm
VIENTO Viento
OLEAJE Oleaje
Estimation terminated at iteration number 6 because
Log Likelihood decreased by less than .01 percent.

-2 Log Likelihood 68.046
Goodness of Fit 62.865
Nagelkerke - R^2 .486
Chi-Square df Significance
Model 33.961 17 .0085
Block 33.961 17 .0085
Step 33.961 17 .0085


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----------------------- Variables in the Equation -----------------------
Variable B S.E. Wald df Sig R Exp(B)
Z .4359 .2681 2.6425 1 .1040 .0794 1.5463
TER 2.7021 2 .2590 .0000
TER(1) -2.3186 1.6403 1.9982 1 .1575 .0000 .0984
TER(2) -2.9000 2.0220 2.0571 1 .1515 -.0237 .0550
HMHR 2.5605 2 .2780 .0000
HMHR(1) -3.3008 2.0653 2.5544 1 .1100 -.0737 .0369
HMHR(2) -.4658 1.1427 .1662 1 .6836 .0000 .6276
INC -.0928 .0437 4.5036 1 .0338 -.1567 .9114
CVEG -.0147 .0122 1.4499 1 .2285 .0000 .9855
PAR 2.2126 3 .5295 .0000
PAR(1) 5.4196 36.6903 .0218 1 .8826 .0000 225.7908
PAR(2) 5.3094 36.6819 .0210 1 .8849 .0000 202.2321
PAR(3) 3.4722 36.7103 .0089 1 .9246 .0000 32.2089
TEC(1) -1.1715 1.0227 1.3119 1 .2520 .0000 .3099
GRI(1) -.6012 .8327 .5213 1 .4703 .0000 .5482
DRE(1) .9984 1.0234 .9517 1 .3293 .0000 2.7139
PLAT(1) 1.7881 1.1305 2.5020 1 .1137 .0701 5.9783
APLA .0071 .0098 .5329 1 .4654 .0000 1.0072
VIENTO(1) 1.7709 1.1343 2.4375 1 .1185 .0655 5.8762
OLEAJE(1) -1.2215 1.3085 .8714 1 .3506 .0000 .2948
Constant -2.5519 36.7792 .0048 1 .9447

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