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Table 1 The sample site, number of mapped reads (# of mapped reads), number of SNPs calculated by PoPoolation (# of SNPs), and genetic diversity indices (Tajima’s π and Watterson’s θ W ) are shown for the limpet, S. granularis and the urchin, P. angulosus. The number (#) and percentage (%) of private SNPs are also shown per population for both study species

From: Complex signatures of genomic variation of two non-model marine species in a homogeneous environment

North to south orientation Sample site # of mapped reads # of SNPs Tajima’s π Watterson’s θ W # of private SNPs % of SNPs that are private
S. granularis
 North PN 3,372,943 49,455 0.009 0.010 15,496 0.313
HB 4,263,248 113,678 0.011 0.012 36,035 0.317
BB 4,756,683 151,071 0.011 0.012 54,657 0.362
LB 3,674,168 91,767 0.010 0.011 18,957 0.207
JB 4,613,158 152,423 0.012 0.013 72,096 0.472
 South SP 4,348,563 135,499 0.011 0.012 57,630 0.425
P. angulosus
 North PN 3,309,914 100,849 0.011 0.012 62,007 0.615
HB 2,304,239 18,682 0.006 0.007 6961 0.373
BB 3,234,311 72,024 0.009 0.010 18,735 0.260
LB 3,133,465 69,921 0.009 0.010 25,390 0.363
JB 4,436,171 98,110 0.009 0.011 34,826 0.355
 South SP 2,423,381 24,747 0.007 0.008 8905 0.360
  1. Sample site abbreviations are as follows: SP Sea Point, JB Jacobsbaai, LB Lambertsbaai, BB Brandsebaai, HB Hondeklipbaai, PN Port Nolloth