Effects of Ocean Acidification on Juvenile Red King Crab (Paralithodes camtschaticus) and Tanner Crab (Chionoecetes bairdi) Growth, Condition, Calcification, and Survival
Ocean acidification, a decrease in the pH in marine waters associated with rising atmospheric CO2 levels, is a serious threat to marine ecosystems. In this paper, we determine the effects of long-term exposure to near-future levels of ocean acidification on the growth, condition, calcification, and...
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ftpubmed:oai:pubmedcentral.nih.gov:3617201 2023-05-15T17:49:44+02:00 Effects of Ocean Acidification on Juvenile Red King Crab (Paralithodes camtschaticus) and Tanner Crab (Chionoecetes bairdi) Growth, Condition, Calcification, and Survival Long, William Christopher Swiney, Katherine M. Harris, Caitlin Page, Heather N. Foy, Robert J. 2013-04-04 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3617201 http://www.ncbi.nlm.nih.gov/pubmed/23593357 https://doi.org/10.1371/journal.pone.0060959 en eng Public Library of Science http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3617201 http://www.ncbi.nlm.nih.gov/pubmed/23593357 http://dx.doi.org/10.1371/journal.pone.0060959 This is an open-access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication. PDM CC0 Research Article Text 2013 ftpubmed https://doi.org/10.1371/journal.pone.0060959 2013-09-04T22:04:24Z Ocean acidification, a decrease in the pH in marine waters associated with rising atmospheric CO2 levels, is a serious threat to marine ecosystems. In this paper, we determine the effects of long-term exposure to near-future levels of ocean acidification on the growth, condition, calcification, and survival of juvenile red king crabs, Paralithodes camtschaticus, and Tanner crabs, Chionoecetes bairdi. Juveniles were reared in individual containers for nearly 200 days in flowing control (pH 8.0), pH 7.8, and pH 7.5 seawater at ambient temperatures (range 4.4–11.9 °C). In both species, survival decreased with pH, with 100% mortality of red king crabs occurring after 95 days in pH 7.5 water. Though the morphology of neither species was affected by acidification, both species grew slower in acidified water. At the end of the experiment, calcium concentration was measured in each crab and the dry mass and condition index of each crab were determined. Ocean acidification did not affect the calcium content of red king crab but did decrease the condition index, while it had the opposite effect on Tanner crabs, decreasing calcium content but leaving the condition index unchanged. This suggests that red king crab may be able to maintain calcification rates, but at a high energetic cost. The decrease in survival and growth of each species is likely to have a serious negative effect on their populations in the absence of evolutionary adaptation or acclimatization over the coming decades. Text Ocean acidification Paralithodes camtschaticus Red king crab Chionoecetes bairdi Tanner crab PubMed Central (PMC) PLoS ONE 8 4 e60959 |
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Research Article Long, William Christopher Swiney, Katherine M. Harris, Caitlin Page, Heather N. Foy, Robert J. Effects of Ocean Acidification on Juvenile Red King Crab (Paralithodes camtschaticus) and Tanner Crab (Chionoecetes bairdi) Growth, Condition, Calcification, and Survival |
topic_facet |
Research Article |
description |
Ocean acidification, a decrease in the pH in marine waters associated with rising atmospheric CO2 levels, is a serious threat to marine ecosystems. In this paper, we determine the effects of long-term exposure to near-future levels of ocean acidification on the growth, condition, calcification, and survival of juvenile red king crabs, Paralithodes camtschaticus, and Tanner crabs, Chionoecetes bairdi. Juveniles were reared in individual containers for nearly 200 days in flowing control (pH 8.0), pH 7.8, and pH 7.5 seawater at ambient temperatures (range 4.4–11.9 °C). In both species, survival decreased with pH, with 100% mortality of red king crabs occurring after 95 days in pH 7.5 water. Though the morphology of neither species was affected by acidification, both species grew slower in acidified water. At the end of the experiment, calcium concentration was measured in each crab and the dry mass and condition index of each crab were determined. Ocean acidification did not affect the calcium content of red king crab but did decrease the condition index, while it had the opposite effect on Tanner crabs, decreasing calcium content but leaving the condition index unchanged. This suggests that red king crab may be able to maintain calcification rates, but at a high energetic cost. The decrease in survival and growth of each species is likely to have a serious negative effect on their populations in the absence of evolutionary adaptation or acclimatization over the coming decades. |
format |
Text |
author |
Long, William Christopher Swiney, Katherine M. Harris, Caitlin Page, Heather N. Foy, Robert J. |
author_facet |
Long, William Christopher Swiney, Katherine M. Harris, Caitlin Page, Heather N. Foy, Robert J. |
author_sort |
Long, William Christopher |
title |
Effects of Ocean Acidification on Juvenile Red King Crab (Paralithodes camtschaticus) and Tanner Crab (Chionoecetes bairdi) Growth, Condition, Calcification, and Survival |
title_short |
Effects of Ocean Acidification on Juvenile Red King Crab (Paralithodes camtschaticus) and Tanner Crab (Chionoecetes bairdi) Growth, Condition, Calcification, and Survival |
title_full |
Effects of Ocean Acidification on Juvenile Red King Crab (Paralithodes camtschaticus) and Tanner Crab (Chionoecetes bairdi) Growth, Condition, Calcification, and Survival |
title_fullStr |
Effects of Ocean Acidification on Juvenile Red King Crab (Paralithodes camtschaticus) and Tanner Crab (Chionoecetes bairdi) Growth, Condition, Calcification, and Survival |
title_full_unstemmed |
Effects of Ocean Acidification on Juvenile Red King Crab (Paralithodes camtschaticus) and Tanner Crab (Chionoecetes bairdi) Growth, Condition, Calcification, and Survival |
title_sort |
effects of ocean acidification on juvenile red king crab (paralithodes camtschaticus) and tanner crab (chionoecetes bairdi) growth, condition, calcification, and survival |
publisher |
Public Library of Science |
publishDate |
2013 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3617201 http://www.ncbi.nlm.nih.gov/pubmed/23593357 https://doi.org/10.1371/journal.pone.0060959 |
genre |
Ocean acidification Paralithodes camtschaticus Red king crab Chionoecetes bairdi Tanner crab |
genre_facet |
Ocean acidification Paralithodes camtschaticus Red king crab Chionoecetes bairdi Tanner crab |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3617201 http://www.ncbi.nlm.nih.gov/pubmed/23593357 http://dx.doi.org/10.1371/journal.pone.0060959 |
op_rights |
This is an open-access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication. |
op_rightsnorm |
PDM CC0 |
op_doi |
https://doi.org/10.1371/journal.pone.0060959 |
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PLoS ONE |
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8 |
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4 |
container_start_page |
e60959 |
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1766156171610161152 |