Effects of irradiance and light spectrum on growth of the scleractinian coral Galaxea fascicularis — Applicability of LEP and LED lighting to coral aquaculture

Wijgerde, Tim; Henkemans, Peter; Osinga, Ronald

doi:10.1016/j.aquaculture.2012.03.025

Cited by 40 publications

(29 citation statements)

References 33 publications

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“…Hence, we conclude that under the experimental circumstances applied, G. fascicularis and its zooxanthellae had a high surplus of carbon available for processes such as somatic growth, reproduction and repair of tissue damage. Indeed, growth rates reported for G. fascicularis are very high, specific growth rates sometimes exceeding 0.020 day −1 for young colonies (Wijgerde et al, 2012b). These high initial growth rates were obtained at low levels of E of 40-60 μmol quanta m −2 s −1…”

Section: Productivity and Scope For Growthmentioning

confidence: 95%

Interactive effects of oxygen, carbon dioxide and flow on photosynthesis and respiration in the scleractinian coral Galaxea fascicularis

Osinga

Derksen‐Hooijberg

Wijgerde

et al. 2017

Journal of Experimental Biology

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Rates of dark respiration and net photosynthesis were measured for six replicate clonal fragments of the stony coral Galaxea fascicularis (Linnaeus 1767), which were incubated under 12 different combinations of dissolved oxygen (20%, 100% and 150% saturation), dissolved carbon dioxide (9.5 and 19.1 µmol l −1 ) and water flow (1-1.6 versus 4-13 cm s) in a repeated measures design. Dark respiration was enhanced by increased flow and increased oxygen saturation in an interactive way, which relates to improved oxygen influx into the coral tissue. Oxygen saturation did not influence net photosynthesis: neither hypoxia nor hyperoxia affected net photosynthesis, irrespective of flow and pH, which suggests that hyperoxia does not induce high rates of photorespiration in this coral. Flow and pH had a synergistic effect on net photosynthesis: at high flow, a decrease in pH stimulated net photosynthesis by 14%. These results indicate that for this individual of G. fascicularis, increased uptake of carbon dioxide rather than increased efflux of oxygen explains the beneficial effect of water flow on photosynthesis. Rates of net photosynthesis measured in this study are among the highest ever recorded for scleractinian corals and confirm a strong scope for growth.

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Section: Productivity and Scope For Growthmentioning

confidence: 95%

Interactive effects of oxygen, carbon dioxide and flow on photosynthesis and respiration in the scleractinian coral Galaxea fascicularis

Osinga

Derksen‐Hooijberg

Wijgerde

et al. 2017

Journal of Experimental Biology

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“…Thus, lifetime costs might be the lowest of Corals in a Changing Worldall lighting systems discussed. However, due to their recent introduction, so far no long-term experiences exist for the application of plasma lamps to coral-microcosm systems [36,40].…”

Section: Lightingmentioning

confidence: 99%

“…Although most stony corals require abundant light with a broad spectrum, conditions are often species-specific [36]. Under controlled microcosm conditions, it is therefore important to meet the requirements of the study species for achieving near-natural growth rates and physiological responses [37].…”

Section: Lightingmentioning

confidence: 99%

Coral Microcosms: Challenges and Opportunities for Global Change Biology

Schubert¹,

Wilke²

2018

Corals in a Changing World

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Well-maintained coral-microcosm systems provide a good opportunity for performing global-change simulations under controlled conditions and allow long-term experiments while avoiding problems with natural fluctuations. However, despite rapid technical progress over the last few years in maintaining corals, microcosm experiments remain demanding and challenging. Therefore, this paper focuses on problems and opportunities associated with maintaining corals for global-change experiments, and the pitfalls associated with simulating natural and anthropogenic disturbances. We start in Section 1 with a brief assessment of the global situation of coral reefs and discuss problems and challenges associated with microcosm experiments. Section 2 covers the technical setup of coral-aquarium systems in respect to the necessary hardware and safety precautions. Section 3 provides information on coral-species selection, coral-propagation techniques, and the choice of associated fauna and flora. Problems with maintaining controlled conditions are deliberated in Section 4, including water chemistry as well as pest and disease control. The paper closes with conclusions for global-change studies in coral-microcosm systems (Section 5). As this review provides important insights into the rapidly developing field of coral-microcosm experiments, it might be of particular interest for graduate and post-graduate students in marine sciences, for global-change researchers, as well as for administrators and technicians interested in maintaining corals under fully-controlled conditions.

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“…Although the ideal combination of substrate properties produced lower settling and metamorphosis rates than those observed in smaller-scale culture experiments with elkhorn coral, results are informative in the development of reliable aquaculture techniques for sexual propagation of Caribbean Acropora in land-based systems.Coral aquaculture has multiple purposes and occurs across a range of production systems. Reasons why scleractinian corals are cultured include sale into the ornamental aquarium industry (Green and Shirley 1999;Schlacher et al 2007;Wijgerde et al 2012), use as model organisms for basic research (Hagedorn et al…”

mentioning

confidence: 99%

“…Coral aquaculture has multiple purposes and occurs across a range of production systems. Reasons why scleractinian corals are cultured include sale into the ornamental aquarium industry (Green and Shirley 1999;Schlacher et al 2007;Wijgerde et al 2012), use as model organisms for basic research (Hagedorn et al…”

mentioning

confidence: 99%

Evaluation of Substrate Properties for Settlement of Caribbean Staghorn Coral Acropora cervicornis Larvae in a Land‐Based System

et al. 2016

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Stony coral culture has recently been the focus of increasing interest and effort, with most production taking place by asexual reproduction through fragmentation. In corals grown for reef restoration, techniques for sexual propagation offer the potential to increase genetic diversity of species for which this is a concern. After decades of population decline, the Caribbean staghorn coral Acropora cervicornis was listed as threatened under the U.S. Endangered Species Act in 2006, along with its congener, elkhorn coral A. palmata. We used practical large‐scale, land‐based culture conditions with aquaria set up in a choice/no‐choice design to test three substrate properties for their influence on settlement and metamorphosis in staghorn coral planula larvae. This transitional life stage is critical for sexual reproduction and currently represents a culture bottleneck. A total of 999 live primary polyps were produced across all experimental substrates. Planula larvae showed significant preference for substrates that were biologically conditioned, top oriented, and rugose. Conditioning was essentially prerequisite for settlement and metamorphosis, with orientation and texture also affecting larval settling. Although the ideal combination of substrate properties produced lower settling and metamorphosis rates than those observed in smaller‐scale culture experiments with elkhorn coral, results are informative in the development of reliable aquaculture techniques for sexual propagation of Caribbean Acropora in land‐based systems.

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Effects of irradiance and light spectrum on growth of the scleractinian coral Galaxea fascicularis — Applicability of LEP and LED lighting to coral aquaculture

Cited by 40 publications

References 33 publications

Interactive effects of oxygen, carbon dioxide and flow on photosynthesis and respiration in the scleractinian coral Galaxea fascicularis

Interactive effects of oxygen, carbon dioxide and flow on photosynthesis and respiration in the scleractinian coral Galaxea fascicularis

Coral Microcosms: Challenges and Opportunities for Global Change Biology

Evaluation of Substrate Properties for Settlement of Caribbean Staghorn Coral Acropora cervicornis Larvae in a Land‐Based System

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