Phylomineralogy of the Coralline red algae: Correlation of skeletal mineralogy with molecular phylogeny

Smith, Abigail M.; Sutherland, Judy E.; Kregting, Louise; Farr, Tracy J.; Winter, David J.

doi:10.1016/j.phytochem.2012.06.003

Cited by 59 publications

(63 citation statements)

References 45 publications

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“…The extreme treatment (2,012.9 µatm; pH 7.31; Ω aragonite 0.49) exceeded both predictions for the year 2100 33 and levels found in nearshore waters during strong upwelling 38, 39 . We report Ω aragonite because the solubility of high-Mg calcite is closer to aragonite than calcite 24 (see Table 1a for Ω calcite ).…”

Section: Methodsmentioning

confidence: 99%

“…Diverse taxa (including sea urchins, abalones, limpets, scleractinian corals, and octocorals) have chemosensory systems that recognize particular chemical cues from CCA or their associated bacterial biofilms that induce larval settlement 19 . At least one type of non-coralline red algae induces abalone larval settlement ( Hildenbrandia dawsonii ) 23 .Thus, changes in the settlement cues provided by crustose calcifying red algae (CCRA, including both CCA and other calcifying red crusts) may have ecosystem-level consequences, mediated by changes in settlement of invertebrate species 19, 24 . Previous studies show that OA may reduce CCA coverage, thickness, skeletal strength, or physiological properties.…”

Section: Introductionmentioning

confidence: 99%

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Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification

O’Leary

Barry

Gabrielson

et al. 2017

Sci Rep

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Ocean acidification (OA) increasingly threatens marine systems, and is especially harmful to calcifying organisms. One important question is whether OA will alter species interactions. Crustose coralline algae (CCA) provide space and chemical cues for larval settlement. CCA have shown strongly negative responses to OA in previous studies, including disruption of settlement cues to corals. In California, CCA provide cues for seven species of harvested, threatened, and endangered abalone. We exposed four common CCA genera and a crustose calcifying red algae, Peyssonnelia (collectively CCRA) from California to three pCO2 levels ranging from 419–2,013 µatm for four months. We then evaluated abalone (Haliotis rufescens) settlement under ambient conditions among the CCRA and non-algal controls that had been previously exposed to the pCO2 treatments. Abalone settlement and metamorphosis increased from 11% in the absence of CCRA to 45–69% when CCRA were present, with minor variation among CCRA genera. Though all CCRA genera reduced growth during exposure to increased pCO2, abalone settlement was unaffected by prior CCRA exposure to increased pCO2. Thus, we find no impacts of OA exposure history on CCRA provision of settlement cues. Additionally, there appears to be functional redundancy in genera of CCRA providing cues to abalone, which may further buffer OA effects.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification

O’Leary

Barry

Gabrielson

et al. 2017

Sci Rep

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“…Given this increasing solubility of calcite with increasing Mg content, variation in skeletal mineralogy between coralline species has been suggested to impact their vulnerability to OA (Gao et al 1993, Morse et al 2007, Kuffner et al 2008, Ries et al 2009, Ries 2010, Lombardi et al 2011, Smith et al 2012. In this regard, northeastern Atlantic species of the genera Corallina and Ellisolandia may demonstrate reduced susceptibility to the impacts of OA on skeletal growth and dissolution in comparison to other high-Mg calcitedepositing coralline species, in particular rho do liths, from similar geographic regions.…”

Section: Present-day Mol% Mg/ca Cyclesmentioning

confidence: 99%

“…When available, contextual interpretation of such results will depend on a clear understanding of the natural variation in the present-day carbonate skeletal mineralogy of these species, and its relationship with environmental conditions, in particular SST (Medakovic et al 1995, Kamenos et al 2008, Smith et al 2012). In addition, given that present-day climate conditions, i.e.…”

Section: Introductionmentioning

confidence: 99%

“…1850−2010) variation in skeletal Mg incorporation in species of the cosmopolitan geniculate coralline genera Corallina and Ellisolandia, which are extremely ecologically important (Nelson 2009), yet relatively understudied in relation to climate change and OA. Erect, turfing species of Corallina and Ellisolandia are near-ubiquitous in temperate intertidal and subtidal environments (Smith et al 2012), providing habitat for numerous small invertebrates, shelter via their physical structure from environmental stresses associated with intertidal habitats, and a substratum for the settlement of macro-and microalgae (Nelson 2009, Smith et al 2012. Given these attributes, geniculate corallines are considered important autogenic ecosystem engineers (Jones et al 1994, Nelson 2009, and as such, potential impacts of climate change-driven increases in SST and/or OA on these species could have serious implications for temperate coastal ecosystems and species therein (Hofmann et al 2012).…”

Section: Introductionmentioning

confidence: 99%

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Skeletal mineralogy of geniculate corallines: providing context for climate change and ocean acidification research

Williamson¹,

Najorka²,

Perkins³

et al. 2014

Mar. Ecol. Prog. Ser.

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Marine species depositing high-magnesium (Mg) calcite (> 8% MgCO 3 ) are projected to be among the first to show response to the impacts of climate change, i.e. increased sea surface temperature (SST) and ocean acidification (OA), given the increasing solubility of calcite in seawater with increasing Mg content. Temperature is a major driver of Mg incorporation into the skeletons of calcifying macroalgae, and thus climate change may induce deposition of more ), than other temperate calcifying macroalgae studied to date. Over the period 1850−2010, no change in the magnitude of Mg incorporation by C. officinalis was detected in herbarium samples. However, the strong relationship between SST and Mg content indicates that projected increases in SST by 2100, which are far greater than temperature increases that occurred between 1850−2010, could have substantial impact on geniculate coralline algae skeletal mineralogy, and must be considered synergistically with the effects of OA.

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Coralline red algae from the Silurian of Gotland indicate that the order Corallinales (Corallinophycidae, Rhodophyta) is much older than previously thought

Teichert

Woelkerling

Munnecke

2010

Q.J.R. Meteorol. Soc.

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Phylomineralogy of the Coralline red algae: Correlation of skeletal mineralogy with molecular phylogeny

Cited by 59 publications

References 45 publications

Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification

Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification

Skeletal mineralogy of geniculate corallines: providing context for climate change and ocean acidification research

Coralline red algae from the Silurian of Gotland indicate that the order Corallinales (Corallinophycidae, Rhodophyta) is much older than previously thought

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