zooxanthelles – English Translation – Keybot Dictionary

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  Coraux en danger | Belg...  
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Chaque polype vit à l'intérieur d'une coquille de carbonate de calcium. Les polypes s'assemblent pour former la structure complexe caractéristique des coraux alors que les zooxanthelles sont à l'origine de leur couleur.
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Each polyp lives inside a shell of calcium carbonate. The polyps join together to form the distinctive, intricate patterns of coral while the zooxanthellae give corals their colour.
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Ce sont les pigments photosynthétiques des zooxanthelles qui donnent aux coraux leurs couleurs distinctives et dès lors, lorsque le nombre d'algues dans les massifs se réduit fortement, le corail devient pâle et apparaît blanchi.
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The photosynthetic pigments in the zooxanthellae give the coral its distinctive colour, so when the number of algae in the tissues are greatly reduced, the corals become pale and look 'bleached'.
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Les récifs sont constitués de milliards de petits animaux, les polypes, qui vivent en symbiose avec des algues microscopiques appelées les zooxanthelles. Les deux espèces sont utiles les unes aux autres en s'offrant abri ou nourriture.
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The reefs are formed by billions of small animals, polyps, living in a symbiotic relationship with microscopic algae called zooxanthallae. They need one another for shelter and food. Algae are plants and they use sunlight and CO2 to produce oxygen and food for their host polyp. Polyps protect the zooxanthellae, release CO2, and provide them with necessary nutrients from their own waste.
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Les récifs sont constitués de milliards de petits animaux, les polypes, qui vivent en symbiose avec des algues microscopiques appelées les zooxanthelles. Les deux espèces sont utiles les unes aux autres en s'offrant abri ou nourriture.
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The reefs are formed by billions of small animals, polyps, living in a symbiotic relationship with microscopic algae called zooxanthallae. They need one another for shelter and food. Algae are plants and they use sunlight and CO2 to produce oxygen and food for their host polyp. Polyps protect the zooxanthellae, release CO2, and provide them with necessary nutrients from their own waste.
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Si la hausse de la température est de courte durée, les zooxanthelles encore présentes dans le corail se reproduisent rapidement une fois les conditions redevenues normales, et le corail retrouve sa couleur et survit.
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If high temperatures are relatively short-lived, the zooxanthellae that remain within the coral divide rapidly once the stress diminishes and the coral gradually regains its colour and survives. However, even corals that survive bleaching can suffer long-term effects such as reduced growth and they can be more susceptible to disease. If the stressful conditions are prolonged or particularly severe, the density of zooxanthellae remains low, and many corals will die.
  Coraux en danger | Belg...  
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Si la hausse de la température est de courte durée, les zooxanthelles encore présentes dans le corail se reproduisent rapidement une fois les conditions redevenues normales, et le corail retrouve sa couleur et survit.
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If high temperatures are relatively short-lived, the zooxanthellae that remain within the coral divide rapidly once the stress diminishes and the coral gradually regains its colour and survives. However, even corals that survive bleaching can suffer long-term effects such as reduced growth and they can be more susceptible to disease. If the stressful conditions are prolonged or particularly severe, the density of zooxanthellae remains low, and many corals will die.
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Contrairement aux poissons qui, en cas de problème, peuvent se déplacer vers un environnement plus adapté, les coraux ne peuvent quitter ces zones où la température de l'eau augmente, étant donné qu'ils sont fixés à la structure corallienne. Si les températures restent trop longtemps élevées, la relation symbiotique entre les polypes et les zooxanthelles s'altère et la majorité des algues sont expulsées.
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Coral reefs are a fragile ecosystem and are very sensitive to sea temperatures outside their normal range. Unlike fish that can move to habitats with more suitable environmental conditions, corals cannot escape areas of high temperature because they are attached to the reef structure. If temperatures are too hot for too long, the symbiotic relationship between the polyps and the zooxanthellae collapses and the majority of zooxanthellae are expelled. Even small temperature increases, as little as 1 °C above normal temperature range, over a period of a week or more, can cause corals to expel their zooxanthellae.
  Coraux en danger | Belg...  
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Contrairement aux poissons qui, en cas de problème, peuvent se déplacer vers un environnement plus adapté, les coraux ne peuvent quitter ces zones où la température de l'eau augmente, étant donné qu'ils sont fixés à la structure corallienne. Si les températures restent trop longtemps élevées, la relation symbiotique entre les polypes et les zooxanthelles s'altère et la majorité des algues sont expulsées.
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Coral reefs are a fragile ecosystem and are very sensitive to sea temperatures outside their normal range. Unlike fish that can move to habitats with more suitable environmental conditions, corals cannot escape areas of high temperature because they are attached to the reef structure. If temperatures are too hot for too long, the symbiotic relationship between the polyps and the zooxanthellae collapses and the majority of zooxanthellae are expelled. Even small temperature increases, as little as 1 °C above normal temperature range, over a period of a week or more, can cause corals to expel their zooxanthellae.