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| Arzul, Isabelle; Gagnaire, Beatrice; Bond, Celine; Chollet, Bruno; Morga, Benjamin; Ferrand, Sylvie; Robert, Maeva; Renault, Tristan. |
| Bonamiosis due to the intrahaemocytic protistan parasite Bonamia ostreae is a European endemic disease affecting the flat oyster Ostrea edulis. The parasite has been described in various ecosystems from estuaries to open sea, but no clear correlation has yet been demonstrated between disease development and environmental parameters. In this study, the effect of temperature and salinity on the survival of purified parasites maintained in vitro in seawater was investigated by flow cytometry. Purified parasites were incubated in various seawater media (artificial seawater, natural seawater, seabed borewater) at various temperatures (4, 15 and 25°C) and subjected to a range of salinities from 5 to 45 g l1. Parasites were collected after 12, 24 and 48 h of... |
| Tipo: Text |
Palavras-chave: Salinity tolerance; Temperature tolerance; Cell viability; In vitro assays; Flow cytometry; Bonamia ostreae. |
| Ano: 2009 |
URL: http://archimer.ifremer.fr/doc/2009/publication-6443.pdf |
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| The whole of experiments carried on from thermal constraints on the larval development of Palaemon serratus allows the following observations: -individual rearings obtain the best survival rates in the witness groups and neutralize by a dense food and the absence of intraspecific cannibalism, factors which can interfere with the results ascribed only to the experiments; - slight thermal increases (10 and 12 degree C) do not involve secondary effects on the post larvae when the development is realized at 20 degree C; - if the TL 50 is reaching 34 degree C, letal effects are observed, as soon as the final temperature; - whatever is the temperature increase, the relation = mortality/temperature reached is similar and this factor mortalities observed, that... |
| Tipo: Text |
Palavras-chave: Palaemon serratus; Mortality; Lethal limits; Larval development; Temperature tolerance; Rearing. |
| Ano: 1980 |
URL: http://archimer.ifremer.fr/doc/1980/publication-1931.pdf |
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| Pradillon, F; Le Bris, Nadine; Shillito, B; Young, C; Gaill, F. |
| Dispersal and colonisation processes at deep-sea vents are still not fully understood, essentially because early life stages of vent species remain unknown. The polychaete worm Alvinella pompejana forms colonies on chimney walls at East Pacific Rise vent sites where the temperature can frequently exceed 20 degrees C. In vitro studies in pressure vessels showed that the early embryos tolerate temperatures in a lower range (10-14 degrees C), suggesting that they would have to escape the colony to develop. Pressure vessels offer the advantage that each parameter can be independently controlled, but they do not simulate the more complex and dynamic conditions naturally encountered at vent sites. Accordingly, in addition to incubations in pressure vessels, we... |
| Tipo: Text |
Palavras-chave: Environmental condition; H2S; Temperature tolerance; Polychaete; Pressure vessel; Embryo; Development; Hydrothermal vent. |
| Ano: 2005 |
URL: http://archimer.ifremer.fr/doc/2005/publication-600.pdf |
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| Cruz, M.. |
| Del análisis de 216 muestras de zooplancton, obtenidos mensualmente desde 1990 hasta el 2007, en la estación fija a 10 millas de la costa ecuatoriana, frente a Salinas, Ecuador, se identificaron 14 especies de gasterópodos planctónicos (Pterópodos y heterópodos) a los que se le analizaron la preferencia de las masas de aguas y sus rangos de tolerancia a la temperatura y salinidad en el mar. Los registros mensuales de la temperatura y salinidad superficial del agua, fueron relacionados con la abundancia de cada especie en un diagrama T-S (Temperatura y Salinidad) donde se observa la distribución y preferencia de la especie, mientras que en una tabla con las temperaturas y salinidades mínimas y máximas registradas mensualmente en la estación fija, se... |
| Tipo: Journal Contribution |
Palavras-chave: Temperature tolerance; Salinity tolerance; Water masses; Abundance; Distribution; Marine molluscs; Fixed stations. |
| Ano: 2012 |
URL: http://hdl.handle.net/1834/4706 |
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| Using a continuous breeding of T. brevicornis the authors try to approach an experimental procedure in order to estimated the effects of thermal stresses on larvae produced by ovigerous females. In spite of the main factor driving to successful breeding was the healthiness of algal food, sublethalt or inhibitory effects were observed with duration were only observed to LT 50 level. On opposite, decrease in nauplii production is noted just after ovigerous females are exposed to 35 degree C of final temperature. |
| Tipo: Text |
Palavras-chave: Tigriopus brevicornis; Temperature tolerance; Larvae. |
| Ano: 1981 |
URL: http://archimer.ifremer.fr/doc/1981/publication-1902.pdf |
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| Lefevre, Sjannie; Wang, Tobias; Mckenzie, David. |
| Warming of aquatic environments as a result of climate change is already having measurable impacts on fishes, manifested as changes in phenology, range shifts and reductions in body size. Understanding the physiological mechanisms underlying these seemingly universal patterns is crucial if we are to reliably predict the fate of fish populations with future warming. This includes an understanding of mechanisms for acute thermal tolerance, as extreme heatwaves may be a major driver of observed effects. The hypothesis of gill oxygen limitation (GOL) is claimed to explain asymptotic fish growth, and why some fish species are decreasing in size with warming; but its underlying assumptions conflict with established knowledge and direct mechanistic evidence is... |
| Tipo: Text |
Palavras-chave: Critical thermal maximum; CTmax Metabolism; Scope for activity; Temperature tolerance. |
| Ano: 2021 |
URL: https://archimer.ifremer.fr/doc/00686/79797/82596.pdf |
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