Results 31 to 40 of about 11,229 (285)

Skeleton Precedes Polyp: Visualization of Structural Changes During Coral Growth in <i>Montipora capricornis</i>. [PDF]

open access: yesEcol Evol
Using high‐resolution micro‐computed tomography, this study demonstrates that in Montipora capricornis, skeleton–canal network formation precedes polyp budding at colony margins, with a “transit area” (volumes ~1 mm3, skeleton‐to‐void ratio 20%–35%) in tubular canals serving as a pathway for polyp migration to new calices.
Li Y, Wang C, Lu Z, Wu C, He C.
europepmc   +2 more sources

Responses to high seawater temperatures in zooxanthellate octocorals. [PDF]

open access: yesPLoS ONE, 2013
Increases in Sea Surface Temperatures (SSTs) as a result of global warming have caused reef-building scleractinian corals to bleach worldwide, a result of the loss of obligate endosymbiotic zooxanthellae.
Paul W Sammarco, Kevin B Strychar
doaj   +1 more source

Indeks Mitotik Simbion Alga Zooxanthellae pada Anemon Laut Stichodactyla gigantean Hasil Reproduksi Aseksual (Mitotic Index of Algal Symbion Zooxanthellae on Giant Carpet Anemone (Stichodactyla gigantea) Resulted from Asexual Reproduction)

open access: yesIlmu Kelautan, 2014
Zooxanthella adalah alga simbiotik yang hidup berasosiasi secara mutualisme pada jaringan endodermis anemon laut. Dinamika alga zooxanthellae telah banyak diketahui pada anemon hasil reproduksi seksual namun sebaliknya pada anemon hasil reproduksi ...
M. Ahsin Rifa’i
doaj   +1 more source

Symbiont diversity is not involved in depth acclimation in the Mediterranean sea whip Eunicella singularis [PDF]

open access: yes, 2011
In symbiotic cnidarians, acclimation to depth and lower irradiance can involve physiological changes in the photosynthetic dinoflagellate endosymbiont, such as increased chlorophyll content, or qualitative modifications in the symbiont population in ...
Allemand, D.   +7 more
core   +2 more sources

Growth and Extracellular Carbonic Anhydrase Activity of Zooxanthellae Symbiodinium sp. in Response of Zinc Enrichment

open access: yesHayati Journal of Biosciences, 2011
Coral reef communities contain a wide variety of mutualistic associations none more important than the relationship between corals and their symbiotic dinoflagellates of the genus Symbiodinium sp., commonly referred to as zooxanthellae.
WIDIASTUTI KARIM   +3 more
doaj   +3 more sources

Red light represses the photophysiology of the scleractinian coral Stylophora pistillata. [PDF]

open access: yesPLoS ONE, 2014
Light spectrum plays a key role in the biology of symbiotic corals, with blue light resulting in higher coral growth, zooxanthellae density, chlorophyll a content and photosynthesis rates as compared to red light.
Tim Wijgerde   +6 more
doaj   +1 more source

Fast growth may impair regeneration capacity in the branching coral Acropora muricata. [PDF]

open access: yesPLoS ONE, 2013
Regeneration of artificially induced lesions was monitored in nubbins of the branching coral Acropora muricata at two reef-flat sites representing contrasting environments at Réunion Island (21°07'S, 55°32'E). Growth of these injured nubbins was examined
Vianney Denis   +7 more
doaj   +1 more source

Climate change promotes parasitism in a coral symbiosis. [PDF]

open access: yes, 2018
Coastal oceans are increasingly eutrophic, warm and acidic through the addition of anthropogenic nitrogen and carbon, respectively. Among the most sensitive taxa to these changes are scleractinian corals, which engineer the most biodiverse ecosystems on ...
AE Douglas   +52 more
core   +1 more source

Global Warming and the Spread of the Introduced Jellyfish Cassiopea andromeda: Thermal Niche and Habitat Suitability in the Mediterranean Sea. [PDF]

open access: yesGlob Chang Biol
Written Summary: Climate change is reshaping marine ecosystems, with the Mediterranean Sea among the most vulnerable due to warming and non‐native species such as the upside‐down jellyfish Cassiopea andromeda. We investigated the thermal tolerance and habitat suitability of its polyps, a key stage for reproduction and persistence.
Fumarola LM   +5 more
europepmc   +2 more sources

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