Results 71 to 80 of about 5,160 (177)

Heat Stress Response in Ruditapes Decussatus: Transcriptional Regulation of Key Pathways and Novel SNPs in Antioxidant Genes

Ecology and Evolution, Volume 15, Issue 6, June 2025.
Climate change is known to affect all levels of biology, setting at risk ecological balance. Among other organisms' groups, aquatic inhabitants, and particularly bivalves, are expected to be influenced to a greater extent owing to their inability to move to more mild temperatures.
Dimitrios K. Papadopoulos, Basile Michaelidis, Ioannis A. Giantsis   +2 more
wiley   +1 more source

Influence of preoperative food and temperature conditions on pearl biogenesis in Pinctada margaritifera [PDF]

Aquaculture, 2017
Trophic conditions and water temperature strongly influence bivalve physiological processes and metabolism. In black-lip pearl oyster Pinctada margaritifera, these parameters have been shown to affect shell biomineralization. The present study investigated the effect of preoperative food level (i.e., microalgal concentration) and temperature on pearl ...
Latchere, Oihana, Le Moullac, Gilles, Gaertner-Mazouni, Nabila, Fiévet, Julie, Magré, Kevin, Saulnier, Denis   +5 more
openaire   +2 more sources

Fish Predation in Bivalve Aquaculture: Impacts and Potential Mitigation Strategies

Reviews in Aquaculture, Volume 17, Issue 3, June 2025.
ABSTRACT Fish predation poses a significant challenge to bivalve aquaculture throughout the global range of production. However, the issue remains poorly understood, preventing the advance of effective interventions. Fish predation, especially on mussels in longline culture, can be severe and, in some instances, lead to crop losses of up to 100%, which
Rebecca L. Stobart, Andrew G. Jeffs, Bradley M. Skelton   +2 more
wiley   +1 more source

Aggregation Behaviour as an Adaptive Reproductive Strategy in a Marine Ecosystem Engineer

Ecology and Evolution, Volume 15, Issue 5, May 2025.
Mussels play a key role in coastal ecosystems by forming dense aggregations that provide habitats and enhance biodiversity. Here, we showed that the mussel aggregation rate varies seasonally according to their reproductive cycle, increasing during gamete maturation and declining postspawning, supporting a reproductive function for this behaviour.
Marine Uguen, Sylvie M. Gaudron, Alexandre Rahoui‐Davoust, Valérie Lefebvre, Laurent Seuront   +4 more
wiley   +1 more source

Trophic relationships between the farmed pearl oyster Pinctada margaritifera and its epibionts revealed by stable isotopes and feeding experiments

Aquaculture Environment Interactions, 2016
Bivalve cultures support a host of epibionts, mainly suspension feeders, which can compete for food resources with the cultivated bivalves. However, the magnitude of interspecific competition for food in bivalve aquaculture settings remains inconclusive,
É Lacoste, P Raimbault, M Harmelin-Vivien, N Gaertner-Mazouni   +3 more
doaj   +1 more source

A micro‐geoarchaeological investigation of a cultivation pit (maite) on Teti'aroa atoll, Central‐East Polynesia

Archaeology in Oceania, Volume 60, Issue 1, Page 17-41, April 2025.
ABSTRACT Cultivation pits represented the principal form of horticultural features developed by past atoll communities in Central‐East Polynesia (CEP), and they are still utilised on some atolls in Oceania. The majority of information about the use of cultivation pits in CEP derives from ethnographic and preliminary archaeological investigations.
Elisa Scorsini, Tim Denham, Emilie Dotte‐Sarout, Yannick Devos, Luc Vrydaghs, Guillaume Molle   +5 more
wiley   +1 more source

Calcite Twinning in Mollusk Shells and Carrara Marble

Advanced Functional Materials, Volume 34, Issue 35, August 28, 2024.
Deformation twinning occurs in Carrara marble and appears in polarized light microscopy as parallel lines in calcite crystals (bottom left). Twins are known to harden and toughen calcite crystals. Twins are never observed within mollusk shell calcite prisms (top left).
Cristina Castillo Alvarez, John L. Grimsich, Connor A. Schmidt, Harrison Lisabeth, Anne Voigtländer, Pupa U. P. A. Gilbert   +5 more
wiley   +1 more source

The pearl oyster (Pinctada margaritifera) aquaculture in French Polynesia and the indirect impact of long-distance transfers and collection-culture site combinations on pearl quality traits

Aquaculture Reports, 2019
In French Polynesia, the P. margaritifera pearl aquaculture industry is spread over a vast area, as large as Europe. All the oysters for this the highly economically important activity are supplied from just a few collection lagoons, but they are grown ...
Chin-Long Ky, Floriane Broustal, Dan Potin, Cédrik Lo   +3 more
doaj   +1 more source

Virus-like particles in pearl oyster Pinctada margaritifera [PDF]

, 1999
Virus-like particles were detected in granulomas associated with focal necrosis within the adductor muscle of the pearl oyster Pinctada margaritifera from French Polynesia. About 40 nm in size, the se particles were generally found within cytoplasmic vesic1es inside heavily degenerated granulocytes.
Comps, Michel, Herbaut, C, Fougerouse, Angelique   +2 more
openaire  

Oxygen isotope equilibrium in brachiopod shell fibres in the context of biological control [PDF]

, 2008
No abstract ...
Perez-Huerta, A., Cuif, J.P., Cusack, M., Parkinson, D., Chung, P., Dauphin, Y.   +5 more
core   +1 more source