Potential geographic distribution and habitat utilization of Lacerta viridis (Squamata: Lacertidae) in northern Türkiye

Figures & data

Figure 1. Raw species occurrence records for Lacerta viridis in Northern Türkiye.

Figure 2. Habitat suitability predictions of Lacerta viridis (warmer colours refer to the high suitability level).

Table 1. Contribution of low correlated environmental variables in ENM of Lacerta viridis.

Variable	Percent contribution	Permutation importance
bio_12	30.5	42.5
bio_2	22.7	2.6
bio_15	21.5	28.7
bio_5	19	2.2
bio_11	2.9	18.1
bio_8	2.6	3.8
Corine	0.8	2.1

Table 2. Summary statistics for the best models selected for species distribution map of Lacerta viridis via kuenm package.

Species	Best MaxEnt features	AICc	wAICc	ΔAICc	AUC	Omission_rate_at_5%	Mean AUC ratio
L. viridis	linear + product	5511.13	1	0	0.879	0.042	1.286

Table 3. Validation metrics used for comparison purposes in ENM of Lacerta viridis.

Model	AUC	Accuracy
Logistic	0.831	0.83
Random forest	0.852	0.88
MaxEnt	0.879	0.94

Figure 3. CORINE land cover types of Lacerta viridis in Northern Türkiye.

Table 4. GLM of environmental factors on the habitat use of Lacerta viridis.

Deviance Residuals:
Min	1Q	Median	3Q	Max
−4.666	−2.287	−1.282	1.517	8.572
Coefficients:
	Estimate	Std. error	t value
(Intercept)	−14.59	1.822	−0.080
DLT	0.791	0.514	1.538
TCD	0.009	0.009	0.973
elevation	−0.002	0.002	1.029
Slope	0.812	0.797	1.019
river_dst	−1.064	0.803	0.132
Prec	−0.008	0.031	0.268
s_rad	−0.0002	0.0007	−0.311
t_avg	0.427	0.536	0.798
(Dispersion parameter for Gaussian family taken to be 10.61378)
Null deviance: 1711.1 on 149 degrees of freedom
Residual deviance: 1464.7 on 138 degrees of freedom
AIC: 793.5
Number of Fisher Scoring iterations: 2

Table 5. GLM of environmental factors on the habitat use of Lacerta viridis (focused on monthly precipitation in the active season).

Deviance residuals:
Min	1Q	Median	3Q	Max
−5.302	−1.898	−1.143	1.542	8.718
Coefficients:
	Estimate	Std. error	t value
(Intercept)	−37.35	2.951	−1.265
river_dst	−0.6753	8.529	0.792
prec_03	0.1045	0.078	1.337
prec_04	0.0307	0.011	0.264
prec_05	0.0003	0.098	0.003
prec_06	−0.2673	0.167	0.700
prec_07	0.1324	0.164	−0.805
prec_08	0.0025	0.186	0.014
prec_09	−0.0075	0.112	−0.067
prec_10	0.0009	0.052	0.019
s_rad	0.0008	0.001	0.731
t_avg	1.082	0.870	1.244
(Dispersion parameter for Gaussian family taken to be 10.69888)
Null deviance: 1711.1 on 149 degrees of freedom
Residual deviance: 1433.7 on 134 degrees of freedom
AIC: 798.28
Number of Fisher scoring iterations: 2