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Table 1 Summary sample size (N), number of alleles (Na), effective alleles (Ne), Shannon’s information index (I), Nei’s genetic diversity (h), observed heterozygosity (Ho), expected heterozygosity (He), allelic richness (Ar), inbreeding coefficient (Fis), Global Fst and percent polymorphic loci (PPL) averaged over all regions of origin, altitude classes and collection year

From: Spatial and temporal genetic variation in Ethiopian barley (Hordeum vulgare L.) landraces as revealed by simple sequence repeat (SSR) markers

Population N Na Ne I h Ho He Ar FIS FST PIC PPL
Regions of origin
 Amhara 88 2.143 1.551 0.514 0.335 0.662 0.688 9.700 0.035 0.078 0.573 100.000
 Oromia 188 4.102 1.763 0.615 0.426 0.594 0.693 9.300 0.048 0.082 0.652 100.000
 SNNP 42 1.469 1.709 0.575 0.395 0.517 0.730 5.400 -0.184 0.081 0.474 100.000
 Tigray 57 1.694 1.482 0.598 0.419 0.613 0.773 8.800 0.039 0.077 0.604 97.960
 B/Gumuz 9 0.347 1.779 0.463 0.301 0.613 0.695 3.200 -0.029 0.034 0.535 93.880
Mean   1.951 1.657 0.552 0.375 0.600 0.715 7.280 0.067 0.070 0.568 98.368
Altitude classesa
 Altitude class I 9 1.046 1.716 0.591 0.405 0.380 0.556 1.700 0.064 0.053 0.374 100.000
 Altitude class II 112 2.296 1.731 0.607 0.417 0.498 0.521 5.300 -0.048 0.058 0.483 100.000
 Altitude class III 187 2.427 1.751 0.616 0.425 0.403 0.428 10.200 0.085 0.082 0.504 100.000
 Altitude class IV 76 1.279 1.68 0.587 0.399 0.375 0.404 8.100 -0.020 0.074 0.407 100.000
Mean   1.762 1.719 0.600 0.412 0.414 0.477 6.325 0.054 0.079 0.442 100.000
Collection yearb
 Year I 218 2.902 1.733 0.609 0.419 0.362 0.421 9.450 0.063 0.056 0.453 100.000
 Year II 97 2.512 1.695 0.594 0.405 0.411 0.409 7.310 0.098 0.041 0.541 100.000
 Year III 47 1.731 1.757 0.615 0.425 0.353 0.435 8.800 0.087 0.029 0.337 100.000
 Year IV 22 1.444 1.771 0.619 0.429 0.375 0.449 7.903 -0.111 0.011 0.420 100.000
Mean   2.147 1.739 0.609 0.420 0.375 0.429 8.366 0.090 0.034 0.438 100.000
  1. aAltitude class I =  ≤ 1500 m, Altitude class II = 1501-2000 m, Altitude class III = 2001-2500 m, Altitude class III =  > 2500 m
  2. bYear I = 1976–1986, Year II = 1987–1996, Year III = 1997–2006, Year IV = 2007–2017
  3. N sample size, Na number alleles per locus, Ne number of effective alleles, I Shannon’s information index, h Nei genetic diversity, Ho observed heterozygosity, He expected heterozygosity, Ar allele richness, FIS = inbreeding coefficient, FST fixation index, PIC polymorphic information content, PPL percent polymorphic loci