Table 1. Summary of genetic diversity measures and test for Hardy-Weinberg Equilibrium (HWE) in southern African Nile crocodile populations.

OR-BNP-Nam: Okavango River system—Bwabwata National Park–Namibia, OR-OD-Bot: Okavango River system—Okavango Delta—Botswana, OR-OCR-Nam—Okavango Crocodile Ranch—Okavango River—Namibia, LK-Nam–Lower Kunene River—Namibia, LS-N-Mal–Lower Shire River (North)—Malawi, LS-S-Mal–Lower Shire River (South)—Malawi, and Limpo-SAf–Limpopo River—South Africa, KZN-SAf–KwaZulu-Natal—South Africa. N—number of individuals, A_n—number of alleles, R_s—mean allelic richness, H_e—expected heterozygosity, H_o—observed heterozygosity, and F_IS—mean fixation index. Values were estimated based on genotypes determined using 11 nuclear microsatellite markers and averaged across all loci.

Population	N	An	Rs	He	Ho	Fis	HWE (P-value)
OR-BNP-Nam	20	4.6	3.64	0.600	0.549	-0.009	0.616
OR-OD-Bot	29	6.0	3.73	0.624	0.613	0.011	0.486
OR-OCR-Nam	13	5.0	3.58	0.606	0.619	0.043	0.537
Okavango River (TOTAL)	62	5.2	3.65	0.610	0.594	0.001	0.554
Lower Kunene River (LK-Nam)	12	4.2	3.31	0.583	0.495	0.149	0.587
LS-N-Mal	27	6.9	4.29	0.664	0.617	0.098	0.337
LS-S-Mal	25	6.9	4.28	0.684	0.625	0.071	0.367
Lower Shire River (TOTAL)	52	6.9	4.29	0.674	0.621	0.085	0.352
Limpo-SAf	13	4.7	3.73	0.634	0.717	-0.104	0.273
KZN-SAf	10	4.4	3.82	0.639	0.390	0.348	0.249
South Africa (TOTAL)	23	4.6	3.78	0.637	0.554	0.182	0.261
Total dataset	149	11.7	3.76	0.723	0.594	0.144	0.002