Effects of stochastic environmental variation on the population dynamics of salmon lice (Lepeophtheirus salmonis) in Newfoundland and Labrador ...
Salmon lice Lepeophtheirus salmonis are a marine parasite causing a significant economic burden in salmonid aquaculture. They experience both temperature-dependent growth and salinity-dependent mortality, impacting population dynamics. Many models have explored the effect of static or seasonal envir...
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Memorial University of Newfoundland
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Online Access: | https://dx.doi.org/10.48336/aprt-pr94 https://research.library.mun.ca/15559/ |
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ftdatacite:10.48336/aprt-pr94 2023-05-15T17:22:10+02:00 Effects of stochastic environmental variation on the population dynamics of salmon lice (Lepeophtheirus salmonis) in Newfoundland and Labrador ... Prosser, Jacob T. 2022 https://dx.doi.org/10.48336/aprt-pr94 https://research.library.mun.ca/15559/ en eng Memorial University of Newfoundland Text ScholarlyArticle article-journal 2022 ftdatacite https://doi.org/10.48336/aprt-pr94 2023-04-03T14:13:35Z Salmon lice Lepeophtheirus salmonis are a marine parasite causing a significant economic burden in salmonid aquaculture. They experience both temperature-dependent growth and salinity-dependent mortality, impacting population dynamics. Many models have explored the effect of static or seasonal environmental conditions on salmon lice population dynamics, yet none have explored the impact of short-term daily environmental fluctuations. I derived a stochastic population model with daily variability in temperature and salinity, where these fluctuations effect population dynamics through temperature-dependent maturation and salinity-dependent mortality changes. I found that increasing variability in salinity slows population growth rates and decreases the logarithmic abundance of adult females, while increasing daily variability in temperature is a poor indicator of population dynamics, which is better predicted by seasonal temperature trends. Under all stochastic environmental scenarios salmon lice populations ... Text Newfoundland DataCite Metadata Store (German National Library of Science and Technology) Newfoundland |
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description |
Salmon lice Lepeophtheirus salmonis are a marine parasite causing a significant economic burden in salmonid aquaculture. They experience both temperature-dependent growth and salinity-dependent mortality, impacting population dynamics. Many models have explored the effect of static or seasonal environmental conditions on salmon lice population dynamics, yet none have explored the impact of short-term daily environmental fluctuations. I derived a stochastic population model with daily variability in temperature and salinity, where these fluctuations effect population dynamics through temperature-dependent maturation and salinity-dependent mortality changes. I found that increasing variability in salinity slows population growth rates and decreases the logarithmic abundance of adult females, while increasing daily variability in temperature is a poor indicator of population dynamics, which is better predicted by seasonal temperature trends. Under all stochastic environmental scenarios salmon lice populations ... |
format |
Text |
author |
Prosser, Jacob T. |
spellingShingle |
Prosser, Jacob T. Effects of stochastic environmental variation on the population dynamics of salmon lice (Lepeophtheirus salmonis) in Newfoundland and Labrador ... |
author_facet |
Prosser, Jacob T. |
author_sort |
Prosser, Jacob T. |
title |
Effects of stochastic environmental variation on the population dynamics of salmon lice (Lepeophtheirus salmonis) in Newfoundland and Labrador ... |
title_short |
Effects of stochastic environmental variation on the population dynamics of salmon lice (Lepeophtheirus salmonis) in Newfoundland and Labrador ... |
title_full |
Effects of stochastic environmental variation on the population dynamics of salmon lice (Lepeophtheirus salmonis) in Newfoundland and Labrador ... |
title_fullStr |
Effects of stochastic environmental variation on the population dynamics of salmon lice (Lepeophtheirus salmonis) in Newfoundland and Labrador ... |
title_full_unstemmed |
Effects of stochastic environmental variation on the population dynamics of salmon lice (Lepeophtheirus salmonis) in Newfoundland and Labrador ... |
title_sort |
effects of stochastic environmental variation on the population dynamics of salmon lice (lepeophtheirus salmonis) in newfoundland and labrador ... |
publisher |
Memorial University of Newfoundland |
publishDate |
2022 |
url |
https://dx.doi.org/10.48336/aprt-pr94 https://research.library.mun.ca/15559/ |
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Newfoundland |
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Newfoundland |
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Newfoundland |
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Newfoundland |
op_doi |
https://doi.org/10.48336/aprt-pr94 |
_version_ |
1766108602200752128 |