Light-dependence in scleractinian distribution in the sublittoral zone of South China Sea Islands

Titlyanov, E. A.; Latypov, Yu. Ya.

doi:10.1007/bf00572172

Cited by 56 publications

(27 citation statements)

References 9 publications

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“…Coral genera associated with higher turbidity included Oxypora, Mycedium, and Turbinaria. It appears that these species are generally sciaphillic because they prefer turbid waters (Done 1982) or are found in relatively low light settings (Titlyanov and Latypov 1991).…”

Section: Coralsmentioning

confidence: 99%

Effectiveness of benthic foraminiferal and coral assemblages as water quality indicators on inshore reefs of the Great Barrier Reef, Australia

2009

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Although the debate about coral reef decline focuses on global disturbances (e.g., increasing temperatures and acidification), local stressors (nutrient runoff and overfishing) continue to affect reef health and resilience. The effectiveness of foraminiferal and hard-coral assemblages as indicators of changes in water quality was assessed on 27 inshore reefs along the Great Barrier Reef. Environmental variables (i.e., several water quality and sediment parameters) and the composition of both benthic foraminiferal and hard-coral assemblages differed significantly between four regions (Whitsunday, Burdekin, Fitzroy, and the Wet Tropics). Grain size and organic carbon and nitrogen content of sediments, and a composite water column parameter (based on turbidity and concentrations of particulate matter) explained a significant amount of variation in the data (tested by redundancy analyses) in both assemblages. Heterotrophic species of foraminifera were dominant in sediments with high organic content and in localities with low light availability, whereas symbiontbearing mixotrophic species were dominant elsewhere. A similar suite of parameters explained 89% of the variation in the FORAM index (a Caribbean coral reef health indicator) and 61% in foraminiferal species richness. Coral richness was not related to environmental setting. Coral assemblages varied in response to environmental variables, but were strongly shaped by acute disturbances (e.g., cyclones, Acanthaster planci outbreaks, and bleaching), thus different coral assemblages may be found at sites with the same environmental conditions. Disturbances also affect foraminiferal assemblages, but they appeared to recover more rapidly than corals. Foraminiferal assemblages are effective bioindicators of turbidity/light regimes and organic enrichment of sediments on coral reefs.

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Section: Coralsmentioning

confidence: 99%

Effectiveness of benthic foraminiferal and coral assemblages as water quality indicators on inshore reefs of the Great Barrier Reef, Australia

2009

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“…Depth gradient zonation can be distinguished at different taxonomic levels: within a single species (Carlon 2002), among species (Wallace & Dale 1979) or among higher taxa. Various environmental factors such as wave stress (Dollar 1982, Graus & Macintyre 1989, light regime (Graus & Macintyre 1989, Titlyanov & Latypov 1991 and sedimentation (Rogers 1990) are suggested to determine the pattern of coastal zonation. The role of larval settlement has long been ignored for corals, although it has been observed for other marine invertebrates.…”

Section: Introductionmentioning

confidence: 99%

Evidence of species-specific habitat selectivity of Acropora corals based on identification of new recruits by two molecular markers

Suzuki¹,

Hayashibara²,

Shirayama³

et al. 2008

Mar. Ecol. Prog. Ser.

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One of the most abundant genera of scleractinian corals, Acropora, shows considerable zonation along reef slopes. The zones are thought to be established by both selective larval settlement and post-settlement selection. The latter has been credited as more important, possibly due to the obvious relationship between colony shapes and habitat-specific environmental stress. However, there is no evidence that the former has less influence on the creation of the zones. To test the hypothesis that larvae settle selectively on species-specific suitable habitat, we identified recruits using mitochondrial and nuclear molecular markers. A 2-step molecular sorting process successfully identified the 7 most dominant species in the area. Comparing the species composition of 3 different depths, the distribution of the settlement of the 3 dominant species A. digitifera, A. hyacinthus and A. tenuis was significantly related to adult zonation, suggesting that Acropora larvae selectively settle on the suitable habitat. This is the first in situ evidence showing selective settlement of coral larvae, and from it we can conclude that the initial stage of the life cycle plays an important role in establishing habitat segregation at the species level in Acropora.

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“…This adaptation highly corresponded with light availability as main source for their endosymbiont (zooxanthellae) to photosynthesis and corals need energy that produce from photosynthesis [42]. Therefore, corals adapt with very fine, thin and flat form to intercepting weak light and needing less calcareous material for their construction [43,44]. In addition, in this zone there was several branching corals but form flattened colonies, in which most branches grow laterally, being perpendicular to the direction of light stream [44].…”

Section: Pavona Cactus Porites Lutea Acropora Cerealis a Tenuis mentioning

confidence: 96%

“…Therefore, corals adapt with very fine, thin and flat form to intercepting weak light and needing less calcareous material for their construction [43,44]. In addition, in this zone there was several branching corals but form flattened colonies, in which most branches grow laterally, being perpendicular to the direction of light stream [44].…”

Section: Pavona Cactus Porites Lutea Acropora Cerealis a Tenuis mentioning

confidence: 99%

Diversity, Distribution and Abundance of Scleractinian Coral in District-based Marine Protected Area Olele, Bone Bolango, Gorontalo - Indonesia

Reza¹,

Sancayaningsih²

2017

KLS

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Despite its status as District-Based Marine Protected Area, studies pertaining coral reef biodiversity never been conducted in Olele that located in the Gulf of Tomini, biodiversity hotspot in the Coral Triangle. Hence, we aims to investigate diversity, distribution and abundance of scleractinian coral, underpinning the health of reef ecosystems. This study was conducted using Line Intercept Transect on three research stations which were divided into three main zonations, reef flat (3 m depth), upper reef slope (10 m depth) and reef slope (18 m to 20 m depth). Fifty meters long transect were laid in each zonation, thus total transect were nine. The results showed that there were 35 species of scleractinian coral from 12 families. Each zonation has a different pattern of abundance and dominant life form. Based on coral health assessment using Coral Mortality Index (CMI) and the ratio between living and dead coral coverage, coral reef ecosystems in Olele were in healthy condition with the range value 0.29 ± 0.1 and 3.60 ± 1.14. This preliminary study should be used as a basic reference for database and novel direction of conservation management strategy in District-Based Marine Protected Area Olele.

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Light-dependence in scleractinian distribution in the sublittoral zone of South China Sea Islands

Cited by 56 publications

References 9 publications

Effectiveness of benthic foraminiferal and coral assemblages as water quality indicators on inshore reefs of the Great Barrier Reef, Australia

Effectiveness of benthic foraminiferal and coral assemblages as water quality indicators on inshore reefs of the Great Barrier Reef, Australia

Evidence of species-specific habitat selectivity of Acropora corals based on identification of new recruits by two molecular markers

Diversity, Distribution and Abundance of Scleractinian Coral in District-based Marine Protected Area Olele, Bone Bolango, Gorontalo - Indonesia

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