Impact of salinity and temperature on the vital rates of co-occurring Calanus glacialis and C. finmarchicus from West Greenland
Climate change creates multiple stressors for organisms in Arctic ecosystems, such as key zooplankton species of the genus Calanus. Here, we quantified the mortality and fecal pellet production rate of Calanus finmarchicus and C. glacialis from Disko Bay, West Greenland, with respect to temperature...
Published in: | Marine Ecology Progress Series |
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Language: | Danish |
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2024
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Online Access: | https://curis.ku.dk/portal/da/publications/impact-of-salinity-and-temperature-on-the-vital-rates-of-cooccurring-calanus-glacialis-and-c-finmarchicus-from-west-greenland(a12f29a6-57a7-4365-a2f5-194fdb37b630).html https://doi.org/10.3354/meps14505 https://curis.ku.dk/ws/files/384875269/m729p047.pdf |
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ftcopenhagenunip:oai:pure.atira.dk:publications/a12f29a6-57a7-4365-a2f5-194fdb37b630 2024-06-09T07:44:21+00:00 Impact of salinity and temperature on the vital rates of co-occurring Calanus glacialis and C. finmarchicus from West Greenland Makri, Maria Hansen, Per Juel Gissel Nielsen, Torkel 2024 application/pdf https://curis.ku.dk/portal/da/publications/impact-of-salinity-and-temperature-on-the-vital-rates-of-cooccurring-calanus-glacialis-and-c-finmarchicus-from-west-greenland(a12f29a6-57a7-4365-a2f5-194fdb37b630).html https://doi.org/10.3354/meps14505 https://curis.ku.dk/ws/files/384875269/m729p047.pdf dan dan info:eu-repo/semantics/openAccess Makri , M , Hansen , P J & Gissel Nielsen , T 2024 , ' Impact of salinity and temperature on the vital rates of co-occurring Calanus glacialis and C. finmarchicus from West Greenland ' , Marine Ecology - Progress Series , bind 729 , s. 47-62 . https://doi.org/10.3354/meps14505 article 2024 ftcopenhagenunip https://doi.org/10.3354/meps14505 2024-05-16T11:29:31Z Climate change creates multiple stressors for organisms in Arctic ecosystems, such as key zooplankton species of the genus Calanus. Here, we quantified the mortality and fecal pellet production rate of Calanus finmarchicus and C. glacialis from Disko Bay, West Greenland, with respect to temperature and salinity. The 2 species were exposed to temperatures of 0, 5 and 10°C and a salinity range from 5 to 60. C. glacialis had a significantly lower mean lethal concentration (LC50) of 9 with a standard error of 1.98 at the lowest temperature, at salinities below in situ salinities, compared to C. finmarchicus (14 ± 0.35). At high temperatures, C. glacialis LC50 was significantly lower than that at 0°C. At high salinities, the 2 species did not have significantly different LC50 values. The fecal pellet production rates were quantified at saturated food concentration (>400 μg C l–1). No impact of salinity was observed between salinities of 25 and 40. Increases in fecal pellet production rates were observed at the limits of this range, indicating a physiological stress response. Within the 25–40 salinity range, fecal pellet production rates increased exponentially with temperature for C. finmarchicus (average Q10 = 1.9 ± 0.18) in the temperature range of 0–10°C, while for C. glacialis, they peaked at 5°C (average Q10 between 0 and 5°C was 2.19 ± 0.15). Our results demonstrate a high physiological plasticity of both Calanus species with respect to salinity. C. glacialis will be more tolerant in a future surface freshening scenario, although this advantage seems to be impaired at temperatures above 5°C. Article in Journal/Newspaper Arctic Calanus finmarchicus Calanus glacialis Climate change Disko Bay Greenland Zooplankton University of Copenhagen: Research Arctic Greenland Marine Ecology Progress Series 729 47 62 |
institution |
Open Polar |
collection |
University of Copenhagen: Research |
op_collection_id |
ftcopenhagenunip |
language |
Danish |
description |
Climate change creates multiple stressors for organisms in Arctic ecosystems, such as key zooplankton species of the genus Calanus. Here, we quantified the mortality and fecal pellet production rate of Calanus finmarchicus and C. glacialis from Disko Bay, West Greenland, with respect to temperature and salinity. The 2 species were exposed to temperatures of 0, 5 and 10°C and a salinity range from 5 to 60. C. glacialis had a significantly lower mean lethal concentration (LC50) of 9 with a standard error of 1.98 at the lowest temperature, at salinities below in situ salinities, compared to C. finmarchicus (14 ± 0.35). At high temperatures, C. glacialis LC50 was significantly lower than that at 0°C. At high salinities, the 2 species did not have significantly different LC50 values. The fecal pellet production rates were quantified at saturated food concentration (>400 μg C l–1). No impact of salinity was observed between salinities of 25 and 40. Increases in fecal pellet production rates were observed at the limits of this range, indicating a physiological stress response. Within the 25–40 salinity range, fecal pellet production rates increased exponentially with temperature for C. finmarchicus (average Q10 = 1.9 ± 0.18) in the temperature range of 0–10°C, while for C. glacialis, they peaked at 5°C (average Q10 between 0 and 5°C was 2.19 ± 0.15). Our results demonstrate a high physiological plasticity of both Calanus species with respect to salinity. C. glacialis will be more tolerant in a future surface freshening scenario, although this advantage seems to be impaired at temperatures above 5°C. |
format |
Article in Journal/Newspaper |
author |
Makri, Maria Hansen, Per Juel Gissel Nielsen, Torkel |
spellingShingle |
Makri, Maria Hansen, Per Juel Gissel Nielsen, Torkel Impact of salinity and temperature on the vital rates of co-occurring Calanus glacialis and C. finmarchicus from West Greenland |
author_facet |
Makri, Maria Hansen, Per Juel Gissel Nielsen, Torkel |
author_sort |
Makri, Maria |
title |
Impact of salinity and temperature on the vital rates of co-occurring Calanus glacialis and C. finmarchicus from West Greenland |
title_short |
Impact of salinity and temperature on the vital rates of co-occurring Calanus glacialis and C. finmarchicus from West Greenland |
title_full |
Impact of salinity and temperature on the vital rates of co-occurring Calanus glacialis and C. finmarchicus from West Greenland |
title_fullStr |
Impact of salinity and temperature on the vital rates of co-occurring Calanus glacialis and C. finmarchicus from West Greenland |
title_full_unstemmed |
Impact of salinity and temperature on the vital rates of co-occurring Calanus glacialis and C. finmarchicus from West Greenland |
title_sort |
impact of salinity and temperature on the vital rates of co-occurring calanus glacialis and c. finmarchicus from west greenland |
publishDate |
2024 |
url |
https://curis.ku.dk/portal/da/publications/impact-of-salinity-and-temperature-on-the-vital-rates-of-cooccurring-calanus-glacialis-and-c-finmarchicus-from-west-greenland(a12f29a6-57a7-4365-a2f5-194fdb37b630).html https://doi.org/10.3354/meps14505 https://curis.ku.dk/ws/files/384875269/m729p047.pdf |
geographic |
Arctic Greenland |
geographic_facet |
Arctic Greenland |
genre |
Arctic Calanus finmarchicus Calanus glacialis Climate change Disko Bay Greenland Zooplankton |
genre_facet |
Arctic Calanus finmarchicus Calanus glacialis Climate change Disko Bay Greenland Zooplankton |
op_source |
Makri , M , Hansen , P J & Gissel Nielsen , T 2024 , ' Impact of salinity and temperature on the vital rates of co-occurring Calanus glacialis and C. finmarchicus from West Greenland ' , Marine Ecology - Progress Series , bind 729 , s. 47-62 . https://doi.org/10.3354/meps14505 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.3354/meps14505 |
container_title |
Marine Ecology Progress Series |
container_volume |
729 |
container_start_page |
47 |
op_container_end_page |
62 |
_version_ |
1801373096870936576 |