Rapid increase in numbers and change of land-use in two expanding Columbidae species (Columba palumbus and Streptopelia decaocto) in Algeria

Table 1 Summary of models and parameterizations of four-parameter logistic S-shaped functions analyzing changes in annual population dynamics of study bird species

Parameters	Estimate	Std. error	t-value	P
Woodpigeon (AIC = 110.67)
A	3.156	1.524	2.07	0.056
B	54.622	1.558	35.07	<0.001
C	2001.1	0.201	9949.7	<0.001
D	0.872	0.175	4.97	<0.001
Eurasian Collared Dove (AIC = 65.13)
A	−0.026	0.404	−0.06	0.950
B	32.678	0.695	47.04	<0.001
C	2003.8	0.116	17,247.5	<0.001
D	1.067	0.101	10.53	<0.001

AIC Akaike’s information criterion; A, B, C, D parameters the four-parameter logistic S-shaped function

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