Evolution and conservation of marine biodiversity in the Coral Triangle

Tsang, Ling Ming; Wu, Tsz Huen; Ng, W. C.; Williams, Gray A.; Chu, Benny K. K. Chan Ka Hou

doi:10.1201/b11113-9

Cited by 40 publications

(41 citation statements)

References 104 publications

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“…The low sample number from Misool does not allow conclusions to be drawn with any reliability about this population, but its association with east New Guinea, instead of more proximate west New Guinea locations, may give some indication that this population could be subject to other dynamics (Barber et al. 2011). Population genetic analysis with a hierarchical AMOVA of A. clarkii Msat data (sibling species, unpublished data) marked Misool as a divergent population, forming its own group.…”

Section: Discussionmentioning

confidence: 99%

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Limited connectivity and a phylogeographic break characterize populations of the pink anemonefish, Amphiprion perideraion, in the Indo‐Malay Archipelago: inferences from a mitochondrial and microsatellite loci

Dohna

Timm

Hamid

et al. 2015

Ecology and Evolution

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To enhance the understanding of larval dispersal in marine organisms, species with a sedentary adult stage and a pelagic larval phase of known duration constitute ideal candidates, because inferences can be made about the role of larval dispersal in population connectivity. Members of the immensely diverse marine fauna of the Indo-Malay Archipelago are of particular importance in this respect, as biodiversity conservation is becoming a large concern in this region. In this study, the genetic population structure of the pink anemonefish, Amphiprion perideraion, is analyzed by applying 10 microsatellite loci as well as sequences of the mitochondrial control region to also allow for a direct comparison of marker-derived results. Both marker systems detected a strong overall genetic structure (ΦST = 0.096, P < 0.0001; mean Dest = 0.17; FST = 0.015, P < 0.0001) and best supported regional groupings (ΦCT = 0.199 P < 0.0001; FCT = 0.018, P < 0.001) that suggested a differentiation of the Java Sea population from the rest of the archipelago. Differentiation of a New Guinea group was confirmed by both markers, but disagreed over the affinity of populations from west New Guinea. Mitochondrial data suggest higher connectivity among populations with fewer signals of regional substructure than microsatellite data. Considering the homogenizing effect of only a few migrants per generation on genetic differentiation between populations, marker-specific results have important implications for conservation efforts concerning this and similar species.

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Section: Discussionmentioning

confidence: 99%

“…2011; DiBattista et al. 2012) highlights the need to accommodate this variability in research and management (Severance and Karl 2006).…”

Section: Introductionmentioning

confidence: 99%

Limited connectivity and a phylogeographic break characterize populations of the pink anemonefish, Amphiprion perideraion, in the Indo‐Malay Archipelago: inferences from a mitochondrial and microsatellite loci

Dohna

Timm

Hamid

et al. 2015

Ecology and Evolution

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“…Toonen et al (2011) used a simple chi-square test for detecting where congruent genetic breaks appear more often than at random along the Hawaiian archipelago for 27 reef species. Barber et al (2011) found strong concordant phylogeographic patterns in 14 species of mantis shrimp in Indonesia. Carpenter et al (2011) identified multiple regions of the Coral Triangle that have congruent breaks in mtDNA data across fish and invertebrates.…”

Section: The Comparative Advantagementioning

confidence: 97%

“…The center of origin (or diversification), center of accumulation, and center of overlap hypotheses are classic examples of this plurality in Indo-Pacific biogeography (Barber 2009). In contrast, phylogeographic studies are bottom up, built one species at a time: once assembled from many species-level analyses, they provide a powerful framework for evaluating broad distributional patterns.…”

Section: The Comparative Advantagementioning

confidence: 99%

Phylogeography unplugged: comparative surveys in the genomic era

Bowen¹,

Shanker²,

Yasuda³

et al. 2014

BMS

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ABSTRACT.-In March 2012, the authors met at the National Evolutionary Synthesis Center (NESCent) in Durham, North Carolina, USA, to discuss approaches and cooperative ventures in Indo-Pacific phylogeography. The group emerged with a series of findings: (1) Marine population structure is complex, but single locus mtDNA studies continue to provide powerful first assessment of phylogeographic patterns. (2) These patterns gain greater significance/power when resolved in a diversity of taxa. New analytical tools are emerging to address these analyses with multi-taxon approaches. (3) Genome-wide analyses are warranted if selection is indicated by surveys of standard markers. Such indicators can include discordance between genetic loci, or between genetic loci and morphology. Phylogeographic information provides a valuable context for studies of selection and adaptation. (4) Phylogeographic inferences are greatly enhanced by an understanding of the biology and ecology of study organisms. (5) Thorough, range-wide sampling of taxa is the foundation for robust phylogeographic inference. (6) Congruent geographic and taxonomic sampling by the IndoPacific community of scientists would facilitate better comparative analyses. The group concluded that at this stage of technology and software development, judicious rather than wholesale application of genomics appears to be the most robust course for marine phylogeographic studies. Therefore, our group intends to affirm the value of traditional ("unplugged") approaches, such as those based on mtDNA sequencing and microsatellites, along with essential field studies, in an era with increasing emphasis on genomic approaches.

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“…Pervasive signals of population structure indicate that novel species are arising by parapatric means within the Coral Triangle, wherein partial isolation between subregions reinforces isolation along ecological gradients (34)(35)(36)(37). Based on phylogenies of three reef fish families, Cowman and Bellwood (38) estimate that 60% of IndoPacific reef fauna have origins in the Coral Triangle.…”

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confidence: 99%

Comparative phylogeography of the ocean planet

Bowen

Gaither

DiBattista

et al. 2016

Proc. Natl. Acad. Sci. U.S.A.

221

198

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Understanding how geography, oceanography, and climate have ultimately shaped marine biodiversity requires aligning the distributions of genetic diversity across multiple taxa. Here, we examine phylogeographic partitions in the sea against a backdrop of biogeographic provinces defined by taxonomy, endemism, and species composition. The taxonomic identities used to define biogeographic provinces are routinely accompanied by diagnostic genetic differences between sister species, indicating interspecific concordance between biogeography and phylogeography. In cases where individual species are distributed across two or more biogeographic provinces, shifts in genotype frequencies often align with biogeographic boundaries, providing intraspecific concordance between biogeography and phylogeography. Here, we provide examples of comparative phylogeography from (i) tropical seas that host the highest marine biodiversity, (ii) temperate seas with high productivity but volatile coastlines, (iii) migratory marine fauna, and (iv) plankton that are the most abundant eukaryotes on earth. Tropical and temperate zones both show impacts of glacial cycles, the former primarily through changing sea levels, and the latter through coastal habitat disruption. The general concordance between biogeography and phylogeography indicates that the population-level genetic divergences observed between provinces are a starting point for macroevolutionary divergences between species. However, isolation between provinces does not account for all marine biodiversity; the remainder arises through alternative pathways, such as ecological speciation and parapatric (semiisolated) divergences within provinces and biodiversity hotspots.biogeography | coral reefs | evolution | marine biodiversity | speciation P hylogeography has roots in biogeography, wherein geographic provinces are identified by concordant shifts in species composition. If the partitions defined by taxonomy are regarded as first-order approximations of evolutionary genetic separations, then continuity between biogeography and phylogeography is apparent. Marine biogeography, the study of species' distributions and evolutionary processes in the sea, began in the mid19th century based on taxonomic distinctions. Dana (1) divided the surface waters of the world into several temperature zones based on the distributions of corals and crustaceans. Woodward (2) identified a series of marine provinces based on the distributions of mollusks. Forbes (3) made three enduring observations: (i) each biogeographic province is a center of origin for new species, (ii) these new species tend to migrate outward from the center of origin, and (iii) provinces, like species, must be traced back to their historical origins to be understood. These three fundamental contributions appeared in the same decade in which Darwin and Wallace (4) and Darwin (5) identified geography and natural selection as agents of evolutionary change.It is remarkable that five essential publications in the 1850s (1-5) set the stage ...

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Evolution and conservation of marine biodiversity in the Coral Triangle

Cited by 40 publications

References 104 publications

Limited connectivity and a phylogeographic break characterize populations of the pink anemonefish, Amphiprion perideraion, in the Indo‐Malay Archipelago: inferences from a mitochondrial and microsatellite loci

Limited connectivity and a phylogeographic break characterize populations of the pink anemonefish, Amphiprion perideraion, in the Indo‐Malay Archipelago: inferences from a mitochondrial and microsatellite loci

Phylogeography unplugged: comparative surveys in the genomic era

Comparative phylogeography of the ocean planet

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