Postglacial sediment deposition along a mixed carbonate-siliciclastic margin: New constraints from the drowned shelf-edge reefs of the Great Barrier Reef, Australia

Hinestrosa, Gustavo; Webster, Jody M.; Beaman, Robin J.

doi:10.1016/j.palaeo.2016.01.023

Cited by 33 publications

(46 citation statements)

References 77 publications

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“…Our data also strongly suggest that shelf morphology and the presence or absence of nearby rivers influenced glacial-deglacial coralgal successions by controlling sedimentation regimes along the shelf (Hinestrosa et al, 2016(Hinestrosa et al, , 2019, and perhaps even preventing MIS2 reef growth locally (e.g. at Ribbon Reef).…”

Section: Responses Of Reef Corals To Glacial and Deglacial Conditionssupporting

confidence: 58%

“…Following the sea-level jump preceding the Younger Dryas at ca. 13.4 ka , reef growth reinitiated further upslope and formed a barrier reef system rising from depths that are now 50-70 mbsl (Abbey et al, 2011b;Hinestrosa et al, 2016;Webster et al, 2018). However, due to rapid retrogradation/backstepping we are 5 and 11).…”

Section: Late Deglacial Coralgal Assemblages (Reef 4; 13-10 Ka)mentioning

confidence: 99%

“…50 km to >100 km) and a decrease in the angle of the slope at the shelf break: >30° at Ribbon Reef, 15°-20° at Noggin Pass, and ca. 2° at Hydrographers Passage (Abbey et al, 2011b;Hinestrosa et al, 2016). Reef initiation took place during the Middle Pleistocene, and successive highstand reef units formed on the shelf during interglacial periods (Humblet and Webster, 2017).…”

Section: Geologic Setting and Drilling Operationsmentioning

confidence: 99%

“…There are no large fluvial systems near HYD-01C (Hinestrosa et al, 2016). Late deglacial reef growth in M0039A, on the outer terrace of HYD-01C, is characterized by the occurrence of massive, up to 22 cm thick Porites colonies (Fig.…”

Section: Recolonization Of Mid and Outer Terracesmentioning

confidence: 99%

See 3 more Smart Citations

Late glacial to deglacial variation of coralgal assemblages in the Great Barrier Reef, Australia

Humblet

Potts

Webster

et al. 2019

Global and Planetary Change

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Section: Responses Of Reef Corals To Glacial and Deglacial Conditionssupporting

confidence: 58%

Section: Late Deglacial Coralgal Assemblages (Reef 4; 13-10 Ka)mentioning

confidence: 99%

Section: Geologic Setting and Drilling Operationsmentioning

confidence: 99%

Section: Recolonization Of Mid and Outer Terracesmentioning

confidence: 99%

See 2 more Smart Citations

Late glacial to deglacial variation of coralgal assemblages in the Great Barrier Reef, Australia

Humblet

Potts

Webster

et al. 2019

Global and Planetary Change

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“…This divergence is most notable for the spiny chromis damselfish for which genetically distinct colour morphs abut at the north end of Hydrographer's Channel (Planes & Doherty, ). Recent geological investigations, however, have identified reef structures along the Australian shelf edge that may have provided coral reef habitat during intermediate and low sea level stands (Abbey, Webster, & Beaman, ; Hinestrosa, Webster, & Beaman, ), implying that reef species may have shifted their range margins through multiple glacial cycles following the depth contours of available coastline but maintaining their approximate latitudinal positions.…”

Section: Introductionmentioning

confidence: 99%

Asymmetric dispersal is a critical element of concordance between biophysical dispersal models and spatial genetic structure in Great Barrier Reef corals

Riginos

Hock

Matias

et al. 2019

Diversity and Distributions

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Aim: Widespread coral bleaching, crown-of-thorns seastar outbreaks, and tropical storms all threaten foundational coral species of the Great Barrier Reef, with impacts differing over time and space. Yet, dispersal via larval propagules could aid reef recovery by supplying new settlers and enabling the spread of adaptive variation among regions. Documenting and predicting spatial connections arising from planktonic larval dispersal in marine species, however, remains a formidable challenge. Location:The Great Barrier Reef, Australia.Methods: Contemporary biophysical larval dispersal models were used to predict long-distance multigenerational connections for two common and foundational coral species (Acropora tenuis and Acropora millepora). Spatially extensive genetic surveys allowed us to infer signatures of asymmetric dispersal for these species and evaluate concordance against expectations from biophysical models using coalescent genetic simulations, directions of inferred gene flow, and spatial eigenvector modelling.Results: At long distances, biophysical models predicted a preponderance of northsouth connections and genetic results matched these expectations: coalescent genetic simulations rejected an alternative scenario of historical isolation; the strongest signals of inferred gene flow were from north-south; and asymmetric eigenvectors derived from north-south connections in the biophysical models were significantly better predictors of spatial genetic patterns than eigenvectors derived from symmetric null spatial models. Main conclusions: Results are consistent with biophysical dispersal models yielding approximate summaries of past multigenerational gene flow conditioned upon directionality of connections. For A. tenuis and A. millepora, northern and central reefs have been important sources to downstream southern reefs over the recent evolutionary past and should continue to provide southward gene flow. Endemic genetic diversity of southern reefs suggests substantial local recruitment and lack of long-distance gene flow from south to north.

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Ryukyu Islands, Japan

Sinniger

Harii

Humblet

et al. 2019

Coral Reefs of the World

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Postglacial sediment deposition along a mixed carbonate-siliciclastic margin: New constraints from the drowned shelf-edge reefs of the Great Barrier Reef, Australia

Cited by 33 publications

References 77 publications

Late glacial to deglacial variation of coralgal assemblages in the Great Barrier Reef, Australia

Late glacial to deglacial variation of coralgal assemblages in the Great Barrier Reef, Australia

Asymmetric dispersal is a critical element of concordance between biophysical dispersal models and spatial genetic structure in Great Barrier Reef corals

Ryukyu Islands, Japan

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