Cryptic diversity in Indo-Pacific coral reef                            fishes revealed by DNA barcoding                  ...
Diversity of Indo-Pacific coral reef fishes                              10490 species, 394 familles (Fishbase, 2011)     ...
Spatial diversity of Indo-Pacific coral reefs                                                               4200 sp. (1% s...
Gradient of diversity and IPR biodiversity centreHubert et al. Cryptic diversity in Indo-Pacific coral reef fishes reveale...
Biodiversity hypotheses for coral reefs                                                                    Centre	  of	  o...
Biodiversity hypotheses for coral reefs                                                                    Centre	  of	  o...
Biodiversity hypotheses for coral reefs                                                                    Centre	  of	  o...
Biodiversity hypotheses for coral reefs                                                                   Centre	  of	  ov...
Biodiversity hypotheses for coral reefs                                                                   Centre	  of	  ov...
Biodiversity hypotheses for coral reefs                                                                   Centre	  of	  ov...
Hypothesis testing through large-scale Barcoding  Widespread species with Indopacific distribution ranges = Cryptic divers...
Collaborative framework for large-scale initiatives        Outer slope                             Inner reef             ...
Inter-oceanic genetic divergence                                        Intraspecific                                     ...
Patterns in widespread speciesShallow                                Monophyly                                  Paraphyly ...
Cryptic diversity and genetic divergenceHubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA ...
Cryptic diversity and species range midpoint                                                                              ...
Thank	  you	  Hubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new sup...
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Nicolas Hubert - Opening Plentary

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Cryptic diversity in Indo-Pacific coral reef
fishes revealed by DNA barcoding
provides new support to the centre-of-overlap
hypothesis

Published in: Education, Technology, Career
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Nicolas Hubert - Opening Plentary

  1. 1. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of- overlap hypothesisNicolas Huberta, Meyer Cb, Bruggemann Hc, Guérin Fc, Komeno RJLd,Espiau Be, Causse Rf, Williams Jb, Planes Sea IRD, UMR5554 ISE-M, France; b Smithsonian Institution, NMNH, Washington DC, c Université de laRéunion, Département de Biologie, Réunion; d Université de Toliara, IHSM, Madagascar; e CNRS,CRIOBE USR 3278, France; f Muséum National d’Histoire Naturelle, UMR 7208 BOREA, France.
  2. 2. Diversity of Indo-Pacific coral reef fishes 10490 species, 394 familles (Fishbase, 2011) 33% of world’s ichthyofauna ≈ 5000 reef associatedHubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  3. 3. Spatial diversity of Indo-Pacific coral reefs 4200 sp. (1% surface, 40% ichthyofauna) 703 sp. (598 reef associated) 944 sp. (698 reef associated)Hubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  4. 4. Gradient of diversity and IPR biodiversity centreHubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  5. 5. Biodiversity hypotheses for coral reefs Centre  of  origin  Hubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  6. 6. Biodiversity hypotheses for coral reefs Centre  of  origin  Hubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  7. 7. Biodiversity hypotheses for coral reefs Centre  of  origin   (1)  Endemism is young in IPR (2)  Range midpoint fall in IPR (3) Shallow population structure (high connectivity & dispersal)Hubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  8. 8. Biodiversity hypotheses for coral reefs Centre  of  overlap  Hubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  9. 9. Biodiversity hypotheses for coral reefs Centre  of  overlap  Hubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  10. 10. Biodiversity hypotheses for coral reefs Centre  of  overlap   (1) Endemism follows history (2) Range midpoint out of IPR (3) Deep population structure (barrier to dispersal)Hubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  11. 11. Hypothesis testing through large-scale Barcoding Widespread species with Indopacific distribution ranges = Cryptic diversity ? (2) Range midpoint = what if n spp. ? (3) Population structure = dispersal ?Hubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  12. 12. Collaborative framework for large-scale initiatives Outer slope Inner reef Coral reef fishes 2276 ind., 667 sp., 70 fam. SWIO BIOTAS project Central Pacific Moorea biocode projectHubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  13. 13. Inter-oceanic genetic divergence Intraspecific 513 taxa, 2122 ind., 4794 comp.Hubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  14. 14. Patterns in widespread speciesShallow Monophyly Paraphyly (geography, taxonomy)Pattern 1 Pattern 2 Pattern 3 Pattern 462/142 68/142 6/142 6/142 80/142 widespread species include 167 lineages (Patterns 2, 3, 4) 142 species = 229 lineagesHubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  15. 15. Cryptic diversity and genetic divergenceHubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  16. 16. Cryptic diversity and species range midpoint ? Widespread species with Indopacific distribution ranges = n spp. (2) Range midpoint = out of the IPR but species range tails? (3) Population structure = “fragmented” across the IndopacificHubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
  17. 17. Thank  you  Hubert et al. Cryptic diversity in Indo-Pacific coral reef fishes revealed by DNA barcoding provides new support to the centre-of-overlap hypothesis
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