About: Fish disease dynamics in changing rivers: Salmonid Ceratomyxosis in the Klamath River

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About: Fish disease dynamics in changing rivers: Salmonid Ceratomyxosis in the Klamath River Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Fish disease dynamics in changing rivers: Salmonid Ceratomyxosis in the Klamath River
Creator	Schakau, Vanessa Hilker, Frank Lewis, Mark
Source	Elsevier; PMC
abstract	Abstract The myxozoan parasite Ceratomyxa shasta has been identified as the main contributor of mortality in salmon in the Klamath River, California. The life cycle of the parasite is complex, involving a polychaete and a salmonid host. Infection dynamics are greatly influenced by environmental factors, such as temperature and water velocity. If we are to control the disease it is important to predict the impact of environmental scenarios on spore concentration and infection prevalence. Here, we introduce a model based on partial differential equations to study the spore concentration in the river and the infection prevalence of returning salmon. The analysis of the model shows that for current climate conditions, additional dam release can reduce the actinospore concentration up to 48% and the prevalence up to 40% thus providing a potential disease management option. However, the infection risk is likely to increase for future climate conditions by 10–54% and this will lead to an infection level comparable to that of a recent high-disease year. Our simulations show that dam removal cannot be assumed to mitigate the effect of climate change or to have influence on infection prevalence. We show that our detailed model system can be reduced to a simpler exponential dose-response function, which predicts infection levels based on transmission rates, travel time and mean spore concentration, quantities that can be measured in-situ or given empirically. The dose-response function may therefore be a useful tool in disease management.
has issue date	2019-12-31(xsd:dateTime)
bibo:doi	10.1016/j.ecocom.2019.100776
has license	els-covid
sha1sum (hex)	f297ff6ac7a5dfde238e171ef3fff9a2c6e7877f
schema:url	https://doi.org/10.1016/j.ecocom.2019.100776
resource representing a document's title	Fish disease dynamics in changing rivers: Salmonid Ceratomyxosis in the Klamath River
has PubMed Central identifier	PMC7194549
schema:publication	Ecological Complexity
resource representing a document's body	covid:f297ff6ac7a5dfde238e171ef3fff9a2c6e7877f#body_text
is schema:about of	named entity 'DISEASE DYNAMICS' named entity 'dose-response' named entity 'dose-response' named entity 'empirically' named entity 'environmental factors' named entity 'salmon' named entity 'Here' named entity 'influence' named entity 'concentration' named entity 'prevalence' named entity 'transmission' named entity 'risk' named entity 'climate change' named entity 'additional' named entity 'Salmonid' named entity 'Fish' named entity 'ANALYSIS' named entity 'ASSUMED' named entity 'DISEASE MANAGEMENT' named entity 'GIVEN' named entity 'ENVIRONMENTAL FACTORS' named entity '40%' named entity 'RATES' named entity 'INFECTION RISK' named entity 'CERATOMYXA SHASTA' named entity 'LEAD' named entity 'GREATLY' named entity 'FUTURE' named entity 'PARASITE' named entity 'USEFUL' named entity 'CURRENT' named entity 'LIFE CYCLE' named entity 'RELEASE' named entity 'CLIMATE CHANGE' named entity 'DISEASE' named entity 'MANAGEMENT OPTION' named entity 'INFLUENCE' named entity 'SALMONID' named entity 'SALMON' named entity 'TO INCREASE' named entity 'EFFECT' named entity 'KLAMATH RIVER' named entity 'PREVALENCE' named entity 'KLAMATH RIVER' named entity 'UP TO' named entity 'DOSE' named entity 'WATER VELOCITY' named entity 'CONCENTRATION' named entity 'RIVERS' named entity 'FISH DISEASE' named entity 'CHANGING' named entity 'MEAN' named entity 'MEASURED' named entity 'TO CONTROL' named entity 'DETAILED MODEL' named entity 'POTENTIAL' named entity 'LEVELS' named entity 'FUNCTION' named entity 'CONTRIBUTOR' named entity 'OUR' named entity 'MORTALITY' named entity 'QUANTITIES' named entity 'SALMONID' named entity 'RESPONSE' named entity 'CLIMATE' named entity 'MODEL BASED ON PARTIAL DIFFERENTIAL EQUATIONS' named entity 'HERE' named entity 'IN-SITU' named entity 'TRAVEL' named entity 'LEVEL' named entity 'REDUCED' named entity 'POLYCHAETE' named entity 'THE RIVER' named entity 'LIKELY' named entity 'INTRODUCE' named entity 'MODEL' named entity 'BASED' named entity 'ENVIRONMENTAL' named entity 'CONDITIONS' named entity 'HAVE' named entity 'COMPLEX'

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