The influence of predator community composition on photoprotective traits of copepods
Trait expression of natural populations often jointly depends on prevailing abiotic environmental conditions and predation risk. Copepods, for example, can vary their expression of compounds that confer protection against ultraviolet radiation (UVR), such as astaxanthin and mycosporine-like amino ac...
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Language: | English |
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fteawag:oai:dora:eawag_24897 2024-09-15T17:52:23+00:00 The influence of predator community composition on photoprotective traits of copepods Oester, Rebecca Greenway, Ryan Moosmann, Marvin Sommaruga, Ruben Tartarotti, Barbara Brodersen, Jakob Matthews, Blake 2022 https://doi.org/10.1002/ece3.8862 eng eng Wiley Ecology and Evolution--Ecol. Evol.--journals:761--2045-7758 eawag:24897 doi:10.1002/ece3.8862 scopus: 2-s2.0-85128861193 pmid: 35494499 journal id: journals:761 issn: 2045-7758 ut: 000786331200001 arctic charr astaxanthin carotenoid Leptodiaptomus minutus mycosporine-like amino acids Photoprotection threespine stickleback UVR Journal Article Text 2022 fteawag https://doi.org/10.1002/ece3.8862 2024-08-05T03:04:28Z Trait expression of natural populations often jointly depends on prevailing abiotic environmental conditions and predation risk. Copepods, for example, can vary their expression of compounds that confer protection against ultraviolet radiation (UVR), such as astaxanthin and mycosporine-like amino acids (MAAs), in relation to predation risk. Despite ample evidence that copepods accumulate less astaxanthin in the presence of predators, little is known about how the community composition of planktivorous fish can affect the overall expression of photoprotective compounds. Here, we investigate how the (co-)occurrence of Arctic charr ( Salvelinus alpinus ) and threespine stickleback ( Gasterosteus aculeatus ) affects the photoprotective phenotype of the copepod Leptodiaptomus minutus in lake ecosystems in southern Greenland. We found that average astaxanthin and MAA contents were lowest in lakes with stickleback, but we found no evidence that these photoprotective compounds were affected by the presence of charr. Furthermore, variance in astaxanthin among individual copepods was greatest in the presence of stickleback and the astaxanthin content of copepods was negatively correlated with increasing stickleback density. Overall, we show that the presence and density of stickleback jointly affect the content of photoprotective compounds by copepods, illustrating how the community composition of predators in an ecosystem can determine the expression of prey traits that are also influenced by abiotic stressors. Article in Journal/Newspaper Arctic charr Greenland Salvelinus alpinus Copepods DORA Eawag Ecology and Evolution 12 4 |
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Open Polar |
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DORA Eawag |
op_collection_id |
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language |
English |
topic |
arctic charr astaxanthin carotenoid Leptodiaptomus minutus mycosporine-like amino acids Photoprotection threespine stickleback UVR |
spellingShingle |
arctic charr astaxanthin carotenoid Leptodiaptomus minutus mycosporine-like amino acids Photoprotection threespine stickleback UVR Oester, Rebecca Greenway, Ryan Moosmann, Marvin Sommaruga, Ruben Tartarotti, Barbara Brodersen, Jakob Matthews, Blake The influence of predator community composition on photoprotective traits of copepods |
topic_facet |
arctic charr astaxanthin carotenoid Leptodiaptomus minutus mycosporine-like amino acids Photoprotection threespine stickleback UVR |
description |
Trait expression of natural populations often jointly depends on prevailing abiotic environmental conditions and predation risk. Copepods, for example, can vary their expression of compounds that confer protection against ultraviolet radiation (UVR), such as astaxanthin and mycosporine-like amino acids (MAAs), in relation to predation risk. Despite ample evidence that copepods accumulate less astaxanthin in the presence of predators, little is known about how the community composition of planktivorous fish can affect the overall expression of photoprotective compounds. Here, we investigate how the (co-)occurrence of Arctic charr ( Salvelinus alpinus ) and threespine stickleback ( Gasterosteus aculeatus ) affects the photoprotective phenotype of the copepod Leptodiaptomus minutus in lake ecosystems in southern Greenland. We found that average astaxanthin and MAA contents were lowest in lakes with stickleback, but we found no evidence that these photoprotective compounds were affected by the presence of charr. Furthermore, variance in astaxanthin among individual copepods was greatest in the presence of stickleback and the astaxanthin content of copepods was negatively correlated with increasing stickleback density. Overall, we show that the presence and density of stickleback jointly affect the content of photoprotective compounds by copepods, illustrating how the community composition of predators in an ecosystem can determine the expression of prey traits that are also influenced by abiotic stressors. |
format |
Article in Journal/Newspaper |
author |
Oester, Rebecca Greenway, Ryan Moosmann, Marvin Sommaruga, Ruben Tartarotti, Barbara Brodersen, Jakob Matthews, Blake |
author_facet |
Oester, Rebecca Greenway, Ryan Moosmann, Marvin Sommaruga, Ruben Tartarotti, Barbara Brodersen, Jakob Matthews, Blake |
author_sort |
Oester, Rebecca |
title |
The influence of predator community composition on photoprotective traits of copepods |
title_short |
The influence of predator community composition on photoprotective traits of copepods |
title_full |
The influence of predator community composition on photoprotective traits of copepods |
title_fullStr |
The influence of predator community composition on photoprotective traits of copepods |
title_full_unstemmed |
The influence of predator community composition on photoprotective traits of copepods |
title_sort |
influence of predator community composition on photoprotective traits of copepods |
publisher |
Wiley |
publishDate |
2022 |
url |
https://doi.org/10.1002/ece3.8862 |
genre |
Arctic charr Greenland Salvelinus alpinus Copepods |
genre_facet |
Arctic charr Greenland Salvelinus alpinus Copepods |
op_relation |
Ecology and Evolution--Ecol. Evol.--journals:761--2045-7758 eawag:24897 doi:10.1002/ece3.8862 scopus: 2-s2.0-85128861193 pmid: 35494499 journal id: journals:761 issn: 2045-7758 ut: 000786331200001 |
op_doi |
https://doi.org/10.1002/ece3.8862 |
container_title |
Ecology and Evolution |
container_volume |
12 |
container_issue |
4 |
_version_ |
1810294427935047680 |