Spawning of the colonial coral Cladocora caespitosa (Anthozoa, Scleractinia) in the Southern Adriatic Sea

Kružić, Petar; Žuljević, Ante; Nikolić, Vedran

doi:10.1007/s00338-007-0334-7

Cited by 30 publications

(30 citation statements)

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“…Past geological and ecological events, together with the corals' sexual reproductive traits and their relation to oceanographic and geomorphologic processes may explain the present genetic structure of Cladocora caespitosa. Our results suggest that the studied populations are highly dependent on self-recruitment, likely enhanced by the eggretention mechanisms of this species (Kružic et al 2008a), all of which is reflected in this species' the distribution and recruitment patterns (Kersting and Linares 2012;Kersting et al 2014b). On the other hand, the genetic connectivity among the populations, even if generally low, seems to be related to sporadic dispersal events through regional surface currents linked to the spawning period.…”

Section: Discussionmentioning

confidence: 70%

“…Migration rates showed the prevalence of self-recruitment processes within each population (from 0.69 ± 0.02 at Cape Palos to 0.90 ± 0.02 at L'Ametlla). These features might be influenced by the characteristic spawning mechanism of the coral (''clumps'' of eggs; Kružic et al 2008a) Fig. 2 Bar plot of the Bayesian clustering analyses performed with STRUCTURE 2.3.3. software.…”

Section: Discussionmentioning

confidence: 99%

“…It should be noted that these features are linked to species' life history traits, such as species' dispersal capacity at each stage of its life cycle, and their interaction with associated biotic and abiotic factors (DiBacco et al 2006). The reproductive ecology of C. caespitosa has been examined from populations in the Adriatic Sea (Kružic et al 2008a) and Western Mediterranean Sea (Kersting et al 2013b). In the Adriatic Sea, the colonies of C. caespitosa are hermaphroditic and spawning occurs at the beginning of summer, which coincidences with rising seawater temperatures (Kružic et al 2008a).…”

Section: Communicated By Biology Editor Dr Stephen Swearermentioning

confidence: 99%

“…The reproductive ecology of C. caespitosa has been examined from populations in the Adriatic Sea (Kružic et al 2008a) and Western Mediterranean Sea (Kersting et al 2013b). In the Adriatic Sea, the colonies of C. caespitosa are hermaphroditic and spawning occurs at the beginning of summer, which coincidences with rising seawater temperatures (Kružic et al 2008a). By contrast, in the Western Mediterranean, this coral is regarded as gonochoric with spawning occurring at the end of summer (August to October) when seawater temperatures are declining (Kersting et al 2013b).…”

Section: Communicated By Biology Editor Dr Stephen Swearermentioning

confidence: 99%

“…In situ observations in the Adriatic Sea indicate that the release of male and female gametes is asynchronous for each hermaphroditic colony. Eggs were released by the polyps in a mucous coating, also called ''clumps'' that bound the eggs together, while sperm were freely released in sperm bundles (Kružic et al 2008a). According to the authors, fertilization may be enhanced by synchronous spawning and egg retention on the colony surface.…”

Section: Communicated By Biology Editor Dr Stephen Swearermentioning

confidence: 99%

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Regional genetic differentiation among populations of Cladocora caespitosa in the Western Mediterranean

et al. 2014

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Cladocora caespitosa is the only reef-forming zooxanthellate scleractinian in the Mediterranean Sea. This endemic coral has suffered severe mortality events at different Mediterranean sites owing to anomalous summer heat waves related to global climate change. In this study, we assessed genetic structure and gene flow among four populations of this species in the Western Mediterranean Sea: Cape Palos (SE Spain), Cala Galdana (Balearic Islands), Columbretes Islands, and L'Ametlla (NE Spain). The results obtained from Bayesian approaches, F ST statistics, and Bayesian analysis of migration rates suggest certain levels of genetic differentiation driven by high levels of selfrecruitment, a fact that is supported by egg-retention mechanisms. Conversely, genetic connectivity among distant populations, even if generally low, seems to be related to sporadic dispersal events through regional surface currents linked to the spawning period that occurs at the end of summer-beginning of autumn. These features, together with a certain isolation of the Columbretes Islands, could explain the regional genetic differentiation found among populations. These results help to better understand population structure and connectivity of the species and will serve as an approach for further studies on different aspects of the biology and ecology of C. caespitosa.

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Section: Discussionmentioning

confidence: 70%

Section: Discussionmentioning

confidence: 99%

Section: Communicated By Biology Editor Dr Stephen Swearermentioning

confidence: 99%

Section: Communicated By Biology Editor Dr Stephen Swearermentioning

confidence: 99%

Section: Communicated By Biology Editor Dr Stephen Swearermentioning

confidence: 99%

See 3 more Smart Citations

Regional genetic differentiation among populations of Cladocora caespitosa in the Western Mediterranean

et al. 2014

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Unusual pattern of embryogenesis of Caryophyllia inornata (scleractinia, caryophylliidae) in the mediterranean sea: Maybe agamic reproduction?

Goffredo

Marchini

Rocchi

et al. 2012

Journal of Morphology

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While knowledge of the reproductive biology of tropical scleractinian corals is extensive, information from temperate zones is limited. The aim of this study is to describe the reproductive biology of Caryophyllia inornata, a temperate species, and to increase the understanding of the reproductive strategies of Mediterranean corals. Samples of C. inornata were collected during SCUBA surveys at Elba island. Sexually active individuals displayed either male or female germ cells, showing a gonochoric sexuality. C. inornata exhibited an unusual pattern of embryogenesis. Embryos appeared throughout the whole year in males and in sexually inactive individuals, and they did not show a seasonal pattern of development, as usually expected for sexual reproduction. This observation suggests the possibility of asexual origin. These embryogenetic sexually inactive individuals were larger in size than the embryogenetic sexually active ones, and they might be senile polyps that preserve the ability to produce embryos only by agamic reproduction. J. Morphol. 2012. © 2012 Wiley Periodicals, Inc.

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Seasonality in sea surface temperatures from δ¹⁸O inCladocora caespitosa: modern Adriatic to late Pleistocene, Gulf of Corinth

et al. 2015

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High‐resolution stable isotope analysis of coral skeletons is an established method to help reconstruct seawater growth temperatures for palaeoenvironmental reconstructions. Here we investigated the temperate, colonial, Mediterranean scleractinian coral Cladocora caespitosa. We first studied modern Adriatic corals from Mljet (Croatia) where growth temperatures were known. A clear sinusoidal cyclicity is present in the δ18O of the modern coral skeletons with average cycle minima ∼−3.3‰ and average maxima ∼−1.6‰. Cyclicity approximately matches the number of seasonal growth band pairs in each sample, implying a genetic link between δ18O cyclicity and factors that determine seasonal growth band development, here mainly water temperature. A derived and calibrated species‐specific δ18O–temperature relationship was then used to reconstruct growth temperatures from fossil C. caespitosa. This was applied to well‐preserved material collected from late Pleistocene deposits (MIS 1, 5 and 7) around the Gulf of Corinth, Greece. Clear seasonal δ18O signals are seen in all the fossil samples. MIS 5e was the warmest period studied with a lower than modern seasonal temperature range. The Early to mid‐Holocene probably experienced the lowest temperatures while conditions in MIS 7a/c were probably the wettest with most freshwater input into the Gulf.

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Spawning of the colonial coral Cladocora caespitosa (Anthozoa, Scleractinia) in the Southern Adriatic Sea

Cited by 30 publications

References 23 publications

Regional genetic differentiation among populations of Cladocora caespitosa in the Western Mediterranean

Regional genetic differentiation among populations of Cladocora caespitosa in the Western Mediterranean

Unusual pattern of embryogenesis of Caryophyllia inornata (scleractinia, caryophylliidae) in the mediterranean sea: Maybe agamic reproduction?

Seasonality in sea surface temperatures from δ¹⁸O inCladocora caespitosa: modern Adriatic to late Pleistocene, Gulf of Corinth

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Spawning of the colonial coral Cladocora caespitosa (Anthozoa, Scleractinia) in the Southern Adriatic Sea

Cited by 30 publications

References 23 publications

Regional genetic differentiation among populations of Cladocora caespitosa in the Western Mediterranean

Regional genetic differentiation among populations of Cladocora caespitosa in the Western Mediterranean

Unusual pattern of embryogenesis of Caryophyllia inornata (scleractinia, caryophylliidae) in the mediterranean sea: Maybe agamic reproduction?

Seasonality in sea surface temperatures from δ18O inCladocora caespitosa: modern Adriatic to late Pleistocene, Gulf of Corinth

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Seasonality in sea surface temperatures from δ¹⁸O inCladocora caespitosa: modern Adriatic to late Pleistocene, Gulf of Corinth