The effects of ocean acidification and warming on the metabolic physiology of juvenile northern spot shrimp (Pandalus platyceros)
Thesis (M.S.) University of Alaska Fairbanks, 2021 Northern spot shrimp (Pandalus platyceros) support important commercial, subsistence, sport, and personal use fisheries in Alaska. This species is currently experiencing population declines in Southeast Alaska, mandating fishery closures in previous...
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ftunivalaska:oai:scholarworks.alaska.edu:11122/12918 2023-05-15T17:50:31+02:00 The effects of ocean acidification and warming on the metabolic physiology of juvenile northern spot shrimp (Pandalus platyceros) Musbach, Jamie Lee Tamone, Sherry Kelley, Amanda Eckert, Ginny 2021-12 http://hdl.handle.net/11122/12918 en_US eng http://hdl.handle.net/11122/12918 Department of Fisheries Spot shrimp Southeast Alaska Water acidification Global warming Physiology Metabolism Ocean acidification Master of Science in Fisheries Thesis ms 2021 ftunivalaska 2023-02-23T21:38:01Z Thesis (M.S.) University of Alaska Fairbanks, 2021 Northern spot shrimp (Pandalus platyceros) support important commercial, subsistence, sport, and personal use fisheries in Alaska. This species is currently experiencing population declines in Southeast Alaska, mandating fishery closures in previously productive regions. Northern spot shrimp are harvested as adults and declining populations may be a result of limited recruitment into the fishery. Very little is known about the physiology of P. platyceros early life history stages and no known data exists on how early life history stages may be affected by environmental stressors such as ocean acidification (OA) and ocean warming (OW). OA is a result of increased anthropogenic carbon dioxide (CO₂) input into the ocean. Increased pCO₂ affects both the physical and chemical properties of the ocean, which, in turn, affects the marine biota. In addition to OA, ocean warming (OW) is another environmental stressor associated with ocean change. The Intergovernmental Panel on Climate Change (IPCC) predicts an oceanic pH decrease of 0.2-0.4 units and an increase in ocean temperatures up to 5°C by the year 2100. The goal of this thesis is to characterize potential individual and interactive effects of increased pCO₂ and increased temperature on the metabolic rate (MO₂), gene expression of heat shock protein 70 (Hsp70), and gene expression of carbonic anhydrase (CA) in juvenile P. platyceros. In order to assess the individual and interactive effects of these environmental stressors on juvenile P. platyceros physiology, I built a low-cost open hardware OA and OW system in the seawater lab at the University of Alaska Southeast. This pH-stat system, based on open-source Arduino platform, allowed manipulation of pH and temperature in line with the IPCC's future predicted ocean conditions. Juvenile P. platyceros are a model organism for this type of research due to predictions that early developmental stages, the requirement of calcification for growth, and cold-water marine ... Thesis Ocean acidification Alaska University of Alaska: ScholarWorks@UA Fairbanks |
institution |
Open Polar |
collection |
University of Alaska: ScholarWorks@UA |
op_collection_id |
ftunivalaska |
language |
English |
topic |
Spot shrimp Southeast Alaska Water acidification Global warming Physiology Metabolism Ocean acidification Master of Science in Fisheries |
spellingShingle |
Spot shrimp Southeast Alaska Water acidification Global warming Physiology Metabolism Ocean acidification Master of Science in Fisheries Musbach, Jamie Lee The effects of ocean acidification and warming on the metabolic physiology of juvenile northern spot shrimp (Pandalus platyceros) |
topic_facet |
Spot shrimp Southeast Alaska Water acidification Global warming Physiology Metabolism Ocean acidification Master of Science in Fisheries |
description |
Thesis (M.S.) University of Alaska Fairbanks, 2021 Northern spot shrimp (Pandalus platyceros) support important commercial, subsistence, sport, and personal use fisheries in Alaska. This species is currently experiencing population declines in Southeast Alaska, mandating fishery closures in previously productive regions. Northern spot shrimp are harvested as adults and declining populations may be a result of limited recruitment into the fishery. Very little is known about the physiology of P. platyceros early life history stages and no known data exists on how early life history stages may be affected by environmental stressors such as ocean acidification (OA) and ocean warming (OW). OA is a result of increased anthropogenic carbon dioxide (CO₂) input into the ocean. Increased pCO₂ affects both the physical and chemical properties of the ocean, which, in turn, affects the marine biota. In addition to OA, ocean warming (OW) is another environmental stressor associated with ocean change. The Intergovernmental Panel on Climate Change (IPCC) predicts an oceanic pH decrease of 0.2-0.4 units and an increase in ocean temperatures up to 5°C by the year 2100. The goal of this thesis is to characterize potential individual and interactive effects of increased pCO₂ and increased temperature on the metabolic rate (MO₂), gene expression of heat shock protein 70 (Hsp70), and gene expression of carbonic anhydrase (CA) in juvenile P. platyceros. In order to assess the individual and interactive effects of these environmental stressors on juvenile P. platyceros physiology, I built a low-cost open hardware OA and OW system in the seawater lab at the University of Alaska Southeast. This pH-stat system, based on open-source Arduino platform, allowed manipulation of pH and temperature in line with the IPCC's future predicted ocean conditions. Juvenile P. platyceros are a model organism for this type of research due to predictions that early developmental stages, the requirement of calcification for growth, and cold-water marine ... |
author2 |
Tamone, Sherry Kelley, Amanda Eckert, Ginny |
format |
Thesis |
author |
Musbach, Jamie Lee |
author_facet |
Musbach, Jamie Lee |
author_sort |
Musbach, Jamie Lee |
title |
The effects of ocean acidification and warming on the metabolic physiology of juvenile northern spot shrimp (Pandalus platyceros) |
title_short |
The effects of ocean acidification and warming on the metabolic physiology of juvenile northern spot shrimp (Pandalus platyceros) |
title_full |
The effects of ocean acidification and warming on the metabolic physiology of juvenile northern spot shrimp (Pandalus platyceros) |
title_fullStr |
The effects of ocean acidification and warming on the metabolic physiology of juvenile northern spot shrimp (Pandalus platyceros) |
title_full_unstemmed |
The effects of ocean acidification and warming on the metabolic physiology of juvenile northern spot shrimp (Pandalus platyceros) |
title_sort |
effects of ocean acidification and warming on the metabolic physiology of juvenile northern spot shrimp (pandalus platyceros) |
publishDate |
2021 |
url |
http://hdl.handle.net/11122/12918 |
geographic |
Fairbanks |
geographic_facet |
Fairbanks |
genre |
Ocean acidification Alaska |
genre_facet |
Ocean acidification Alaska |
op_relation |
http://hdl.handle.net/11122/12918 Department of Fisheries |
_version_ |
1766157300378107904 |