International Journal of Ecology / 2011 / Article / Tab 3

Research Article

Species Richness and Diversity of Resident and Migratory Landbirds in Remnant Forest Patches and Residential Areas in the Florida Keys, USA

Table 3

Heterogeneous slopes model results used to evaluate the influence of site and landscape variables on species richness, species diversity (using Shannon-Wiener index values), and the effective number of species (converted from Shannon-Wiener Index values; [26]) for migratory (MS) and resident (YR) birds, in the Florida Keys during March–May 2004 and 2005. Only the final model solutions and respective Akaike information criterion (AIC) values are presented. Model variables are defined in Table 1.
(a) Species richness final model solutions (AIC = 795.57)

EffectGroup IDEstimateStd. errorDFt valuePr > | 𝑑 |

GroupMS5.040.3616214.14<0.01
YR9.630.2416239.47<0.01
SIZEHAMMS & YRβˆ’0.020.07162βˆ’2.350.02
PCT_HAM*groupMS0.030.011623.99<0.01
YRβˆ’0.030.01162βˆ’6.23<0.01

(b) Species diversity final model solutions (AIC = 203.52)

EffectGroup IDEstimateStd. errorDFt valuePr > | 𝑑 |

GroupMS1.280.1216210.79<0.01
YR2.020.0816226.69<0.01
D2HAMMS & YR<βˆ’0.01<0.01162βˆ’2.100.04
SIZEHAMMS & YR<βˆ’0.01<0.01162βˆ’2.140.04
PCT_CAN*groupMS<0.01<0.011620.790.43
YRβˆ’0.01<0.01162βˆ’3.35<0.01
PCT_HAM*groupMS<0.01<0.011622.840.01
YRβˆ’0.01<0.01162βˆ’7.95<0.01
CT_OTHERHAB*groupMSβˆ’0.030.01162βˆ’2.470.02
YR0.010.011621.580.12

(c) Effective number of species final model solutions (AIC = 678.45)

EffectGroup IDEstimateStd. errorDFt valuePr > | 𝑑 |

GroupMS4.060.491628.27<0.01
YR7.250.3516220.89<0.01
D2HAMMS & YR<βˆ’0.01<0.01162βˆ’2.240.03
SIZEHAMMS & YRβˆ’0.01<0.01162βˆ’2.190.03
PCT_CAN*groupMS0.010.021620.650.51
YRβˆ’0.040.01162βˆ’3.89<0.01
PCT_HAM*groupMS0.020.011622.630.01
YRβˆ’0.04<0.01162βˆ’7.97<0.01
PCT_OTHERHAB*groupMSβˆ’0.060.05162βˆ’1.300.20
YR0.080.031622.500.01

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