generalist neralist Rhabdom bdomys dilect lectus us in n East - PowerPoint PPT Presentation

Geneti tic diversit ity y of the forest est dwelling ling Myosorex cafer er and the generalist neralist Rhabdom bdomys dilect lectus us in n East stern ern Cape MATAMBA E * 1 LR RICHARDS 2 ; CHERRY MI 1 RAMBAU RV 1 Myosorex cafer Rhabdomys dilectus 1 University of Stellenbosch, Department of Botany and Zoology, Stellenbosch 2 Department of Mammalogy, Durban Natural Science Museum, Durban

 To compare the genetic structures of forest Aim dwelling taxa M. cafer and forest associated R. dilectus &  Forest dwelling species, M. cafer will have Hypothesis significantly higher genetic structure than generalist species R. dilectus

Localities Forest st types es 1. Fort Fordyce 8 Amatole mistbelt 2. Isidenge 3. Baziya 6 5 4. Nqadu 7 5. Gomo Transkei mistbelt 4 6. Ngeli 3 7. Mkhambathi 8. Nxumeni Eastern mistbelt 2 1 Pondoland coastal scarp Transkei coastal scarp (Von Maltitz et al ., 2003)

M. cafer Ngeli 105 Ngeli 108 Gomo 77 Gomo 76 64 64 Gomo 75 63 63 Gomo 73 COI Gomo 72 Ngeli 109 NJ/ML Ngeli 104 64 64 Kimura-2- Gomo 71 64 64 Ngeli 106 parameter (Kimura Ngeli 107 71 71 Baziya 134 1980) 78 78 Baziya 135 In Mega 7 (Tamura Baziya 138 Mkhambathi 88 et al. 2017) Ngeli 103 Isidenge 27 Isidenge 30 Isidenge 31 Isidenge 33 Tajima's D: -0.44542 P < 0.05 isidenge 32 Number of haplotypes, h: 12 Isidenge 28 Isidenge 29 Haplotype diversity, Hd: 0.8995 Isidenge 48 71 71 Isidenge 58 DnaSP v5 (Librado and Rozas 79 79 Fort Fordyce 51 91 91 2009) Isidenge 26 92 92 Crocidura obscurior 0.020

Isidenge 59 R. dilectus Ngeli 112 51 51 Fort Fordyce 50 60 60 Gomo 94 66 66 Mkhambathi 92 Nxumeni 167 70 70 90 90 Isidenge 64 Nxumeni 162 90 90 88 88 Isidenge 61 90 90 Baziya 140 Gomo 82 Baziya 141 Gomo 99 COI Gomo 93 Baziya 136 NJ/ML Fort Fordyce 97 Baziya 179 Kimura-2- Fort Fordyce 49 Isidenge 46 parameter (Kimura Nxumeni 157 Baziya 137 1980) Nxumeni 169 In Mega 7 (Tamura Nqadu 102 Baziya 177 et al. 2017) Ngeli 111 68 68 Isidenge 43 70 70 Tajima's D: -2.02551 P < 0.05 Nxumeni 158 Fort Fordyce 95 66 66 Number of haplotypes, h: 25 Isidenge 34 Gomo 81 Ngeli 114 Haplotype diversity, Hd: 0.9551 Isidenge 44 10 10 Nqadu 101 DnSP v5 (Librado and Rozas Baziya 143 2009) 41 41 Nxumeni 168 Ngeli 113 Nxumeni 160 42 42 Isidenge 41 outgroup 96 0.020

Conclusions  There is genetic structure for M. cafer , and not for R. dilectus  Genetic data suggest recent population size expansions

ACKNOWLEDGEMENTS  Supervisors  Laboratory mates  Field assistance  National Museums FBIP

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