About: Hypoxia in fish

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Fish are exposed to large oxygen fluctuations in their aquatic environment since the inherent properties of water can result in marked spatial and temporal differences in the concentration of oxygen (see oxygenation and underwater). Fish respond to hypoxia with varied behavioral, physiological, and cellular responses to maintain homeostasis and organism function in an oxygen-depleted environment. The biggest challenge fish face when exposed to low oxygen conditions is maintaining metabolic energy balance, as 95% of the oxygen consumed by fish is used for ATP production releasing the chemical energy of nutrients through the mitochondrial electron transport chain. Therefore, hypoxia survival requires a coordinated response to secure more oxygen from the depleted environment and counteract th

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rdf:type	yago:WikicatWaterQualityIndicators yago:Abstraction100002137 yago:Communication100033020 yago:Fact106636259 yago:Index106639674 yago:Information106634376 yago:Message106598915
rdfs:label	Hipòxia en els peixos (ca) Hypoxie chez les poissons (fr) Hypoxia in fish (en)
rdfs:comment	Els peixos s'enfronten a importants fluctuacions d'oxigen en el seu medi aquàtic, car les propietats intrínseques de l'aigua fan possibles diferències espacials i temporals significatives en la concentració d'oxigen (vegeu Oxigenació i Entorn subaquàtic). Els peixos han desenvolupat una sèrie d'adaptacions etiològiques, fisiològiques i cel·lulars per mantenir l'homeòstasi i les seves funcions corporals en medis pobres en oxigen. El principal repte per als peixos que es troben en medis pobres en oxigen és mantenir l'equilibri energètic del metabolisme, car un 95% de l'oxigen que consumeixen serveix per produir trifosfat d'adenosina (ATP), alliberant l'energia química del O₂ mitjançant la cadena de transport d'electrons dels mitocondris. Així doncs, per sobreviure a la hipòxia cal una respos (ca) Fish are exposed to large oxygen fluctuations in their aquatic environment since the inherent properties of water can result in marked spatial and temporal differences in the concentration of oxygen (see oxygenation and underwater). Fish respond to hypoxia with varied behavioral, physiological, and cellular responses to maintain homeostasis and organism function in an oxygen-depleted environment. The biggest challenge fish face when exposed to low oxygen conditions is maintaining metabolic energy balance, as 95% of the oxygen consumed by fish is used for ATP production releasing the chemical energy of nutrients through the mitochondrial electron transport chain. Therefore, hypoxia survival requires a coordinated response to secure more oxygen from the depleted environment and counteract th (en) Les poissons sont exposés à de grandes variations de la concentration de l'oxygène dans leur environnement aquatique, que ce soit dans l'espace ou dans le temps. Des réponses comportementales, physiologiques et cellulaires variées leur permettent de maintenir l'homéostasie et les fonctions de leur organisme dans un environnement appauvri en oxygène (hypoxie environnementale). Le plus grand défi auquel ils sont confrontés dans ces conditions est de maintenir leur équilibre énergétique métabolique, car 95% de l'oxygène qu'ils consomment est utilisé pour la production d'ATP, l'énergie chimique de l'O2 étant libérée grâce à la chaîne de transport d'électrons à l'intérieur des mitochondries. Leur survie en condition d'hypoxie nécessite donc une réponse coordonnée pour obtenir plus d'oxygène et (fr)
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dcterms:subject	Aquatic ecology Water quality indicators Chemical oceanography Oxygen Environmental science
Wikipage page ID	33949413 (xsd:integer)
Wikipage revision ID	1118276420 (xsd:integer)
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