Impact of temperature and pyrene exposure on the functional response of males and females of the copepod Calanus finmarchicus
We know very little about the effects of two global stressors, elevated temperature and contaminants, on the grazing of marine copepods. To address this issue, we tested the hypotheses that the individual and combined effects of these two stressors may reduce grazing rates and may depend on food ava...
Published in: | Environmental Science and Pollution Research |
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2019
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fturoskildefispu:oai:pure.atira.dk:publications/9c62151f-3e03-41f6-83cd-fb2e798f02d6 2024-02-11T10:02:38+01:00 Impact of temperature and pyrene exposure on the functional response of males and females of the copepod Calanus finmarchicus Dinh, Khuong Van Winberg Olsen, Maria Altin, Dag Vismann, Bent Nielsen, Torkel Gissel 2019-10-01 https://forskning.ruc.dk/da/publications/9c62151f-3e03-41f6-83cd-fb2e798f02d6 https://doi.org/10.1007/s11356-019-06078-x https://hdl.handle.net/1800/9c62151f-3e03-41f6-83cd-fb2e798f02d6 eng eng info:eu-repo/semantics/closedAccess Dinh , K V , Winberg Olsen , M , Altin , D , Vismann , B & Nielsen , T G 2019 , ' Impact of temperature and pyrene exposure on the functional response of males and females of the copepod Calanus finmarchicus ' , Environmental Science and Pollution Research , vol. 26 , no. 28 , pp. 29327–29333 . https://doi.org/10.1007/s11356-019-06078-x climate change grazing rate marine copepods organic contaminants pelagic community primary grazers article 2019 fturoskildefispu https://doi.org/10.1007/s11356-019-06078-x 2024-01-24T23:55:41Z We know very little about the effects of two global stressors, elevated temperature and contaminants, on the grazing of marine copepods. To address this issue, we tested the hypotheses that the individual and combined effects of these two stressors may reduce grazing rates and may depend on food availability and gender. We exposed male and female Calanus finmarchicus copepods to pyrene at two temperatures (10 and 14 °C) and six food concentrations (25–800 μg C Rhodomonas baltica L−1) and measured fecal pellet size, and grazing rate (GR) from pellet production. Males had smaller fecal pellets and lower GR than did females. Temperature and pyrene exposure had no effect on pellet size. Temperature alone had no effect on GR of males, but females had lower GR at elevated temperature. Pyrene-exposed males and females had lower GR only at the food concentrations of 200–800 μg C R. baltica L−1 and those patterns were independent of temperature. Pyrene-induced reduction in GR was stronger in females than in males. The negative effects of both elevated temperature and pyrene may reduce the abundance and trophic success of C. finmarchicus in a warmer, more polluted future. We know very little about the effects of two global stressors, elevated temperature and contaminants, on the grazing of marine copepods. To address this issue, we tested the hypotheses that the individual and combined effects of these two stressors may reduce grazing rates and may depend on food availability and gender. We exposed male and female Calanus finmarchicus copepods to pyrene at two temperatures (10 and 14 °C) and six food concentrations (25–800 μg C Rhodomonas baltica L−1) and measured fecal pellet size, and grazing rate (GR) from pellet production. Males had smaller fecal pellets and lower GR than did females. Temperature and pyrene exposure had no effect on pellet size. Temperature alone had no effect on GR of males, but females had lower GR at elevated temperature. Pyrene-exposed males and females had lower GR only at the food ... Article in Journal/Newspaper Calanus finmarchicus Copepods Roskilde University Research Portal (RUC) Environmental Science and Pollution Research 26 28 29327 29333 |
institution |
Open Polar |
collection |
Roskilde University Research Portal (RUC) |
op_collection_id |
fturoskildefispu |
language |
English |
topic |
climate change grazing rate marine copepods organic contaminants pelagic community primary grazers |
spellingShingle |
climate change grazing rate marine copepods organic contaminants pelagic community primary grazers Dinh, Khuong Van Winberg Olsen, Maria Altin, Dag Vismann, Bent Nielsen, Torkel Gissel Impact of temperature and pyrene exposure on the functional response of males and females of the copepod Calanus finmarchicus |
topic_facet |
climate change grazing rate marine copepods organic contaminants pelagic community primary grazers |
description |
We know very little about the effects of two global stressors, elevated temperature and contaminants, on the grazing of marine copepods. To address this issue, we tested the hypotheses that the individual and combined effects of these two stressors may reduce grazing rates and may depend on food availability and gender. We exposed male and female Calanus finmarchicus copepods to pyrene at two temperatures (10 and 14 °C) and six food concentrations (25–800 μg C Rhodomonas baltica L−1) and measured fecal pellet size, and grazing rate (GR) from pellet production. Males had smaller fecal pellets and lower GR than did females. Temperature and pyrene exposure had no effect on pellet size. Temperature alone had no effect on GR of males, but females had lower GR at elevated temperature. Pyrene-exposed males and females had lower GR only at the food concentrations of 200–800 μg C R. baltica L−1 and those patterns were independent of temperature. Pyrene-induced reduction in GR was stronger in females than in males. The negative effects of both elevated temperature and pyrene may reduce the abundance and trophic success of C. finmarchicus in a warmer, more polluted future. We know very little about the effects of two global stressors, elevated temperature and contaminants, on the grazing of marine copepods. To address this issue, we tested the hypotheses that the individual and combined effects of these two stressors may reduce grazing rates and may depend on food availability and gender. We exposed male and female Calanus finmarchicus copepods to pyrene at two temperatures (10 and 14 °C) and six food concentrations (25–800 μg C Rhodomonas baltica L−1) and measured fecal pellet size, and grazing rate (GR) from pellet production. Males had smaller fecal pellets and lower GR than did females. Temperature and pyrene exposure had no effect on pellet size. Temperature alone had no effect on GR of males, but females had lower GR at elevated temperature. Pyrene-exposed males and females had lower GR only at the food ... |
format |
Article in Journal/Newspaper |
author |
Dinh, Khuong Van Winberg Olsen, Maria Altin, Dag Vismann, Bent Nielsen, Torkel Gissel |
author_facet |
Dinh, Khuong Van Winberg Olsen, Maria Altin, Dag Vismann, Bent Nielsen, Torkel Gissel |
author_sort |
Dinh, Khuong Van |
title |
Impact of temperature and pyrene exposure on the functional response of males and females of the copepod Calanus finmarchicus |
title_short |
Impact of temperature and pyrene exposure on the functional response of males and females of the copepod Calanus finmarchicus |
title_full |
Impact of temperature and pyrene exposure on the functional response of males and females of the copepod Calanus finmarchicus |
title_fullStr |
Impact of temperature and pyrene exposure on the functional response of males and females of the copepod Calanus finmarchicus |
title_full_unstemmed |
Impact of temperature and pyrene exposure on the functional response of males and females of the copepod Calanus finmarchicus |
title_sort |
impact of temperature and pyrene exposure on the functional response of males and females of the copepod calanus finmarchicus |
publishDate |
2019 |
url |
https://forskning.ruc.dk/da/publications/9c62151f-3e03-41f6-83cd-fb2e798f02d6 https://doi.org/10.1007/s11356-019-06078-x https://hdl.handle.net/1800/9c62151f-3e03-41f6-83cd-fb2e798f02d6 |
genre |
Calanus finmarchicus Copepods |
genre_facet |
Calanus finmarchicus Copepods |
op_source |
Dinh , K V , Winberg Olsen , M , Altin , D , Vismann , B & Nielsen , T G 2019 , ' Impact of temperature and pyrene exposure on the functional response of males and females of the copepod Calanus finmarchicus ' , Environmental Science and Pollution Research , vol. 26 , no. 28 , pp. 29327–29333 . https://doi.org/10.1007/s11356-019-06078-x |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1007/s11356-019-06078-x |
container_title |
Environmental Science and Pollution Research |
container_volume |
26 |
container_issue |
28 |
container_start_page |
29327 |
op_container_end_page |
29333 |
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1790598683335589888 |