Sexually-manifested variations in pigmentation of Boeckella poppei (Copepoda, Calanoida) from Livingston Island (Maritime Antarctica)
Antarctic environments are exposed to high levels of ultraviolet radiation (UVR) that are often detrimental to their biota. Recent studies suggest that the genus Boeckella (Copepoda, Calanoida) has a high level of plasticity in terms of its reaction to UVR, which enables its wide distribution in var...
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ftpensoft:10.3897/biorisk.17.75988 2023-05-15T13:35:03+02:00 Sexually-manifested variations in pigmentation of Boeckella poppei (Copepoda, Calanoida) from Livingston Island (Maritime Antarctica) Pandourski,Ivan Evtimova,Vesela Kenderov,Lyubomir 2022 text/html https://doi.org/10.3897/biorisk.17.75988 https://biorisk.pensoft.net/article/75988/ en eng Pensoft Publishers info:eu-repo/semantics/altIdentifier/eissn/1313-2652 info:eu-repo/semantics/altIdentifier/pissn/1313-2644 info:eu-repo/semantics/openAccess BioRisk 17: 263-269 Bulgarian Antarctic Base copepod pigmentation freshwater ovigerous females progeny photoprotection Research Article 2022 ftpensoft https://doi.org/10.3897/biorisk.17.75988 2022-04-25T23:55:16Z Antarctic environments are exposed to high levels of ultraviolet radiation (UVR) that are often detrimental to their biota. Recent studies suggest that the genus Boeckella (Copepoda, Calanoida) has a high level of plasticity in terms of its reaction to UVR, which enables its wide distribution in various water bodies in Antarctica. Boeckella poppei is common in freshwater habitats of all three main biogeographic regions in Antarctica: sub-Antarctic islands, maritime and continental. We present for the first time a specific photoprotective response in populations of B. poppei from Livingston Island, Maritime Antarctica. In non-ovigerous females and in males, we observed uniform distribution of carotenoids in the body, while these pigments were almost entirely concentrated in the ovisacs of mature females. We consider this as a means of progeny protection from the teratogenic influence of the high level of UVR in Antarctic environments. Unequivocally, such adaptation would facilitate the expansion of B. poppei on the continent through colonisation and survival in shallow freshwater habitats. Given that the Antarctic environment is dynamically changing over the past decades and the accelerated retreat of permanent ice cover is a premise for the formation of shallow ponds, B. poppei could be a suitable indicator for reflecting the ongoing global environmental changes in Antarctica. Article in Journal/Newspaper Antarc* Antarctic Antarctica Livingston Island Pensoft Publishers Antarctic Boeckella ENVELOPE(-56.999,-56.999,-63.404,-63.404) Livingston Island ENVELOPE(-60.500,-60.500,-62.600,-62.600) The Antarctic BioRisk 17 263 269 |
institution |
Open Polar |
collection |
Pensoft Publishers |
op_collection_id |
ftpensoft |
language |
English |
topic |
Bulgarian Antarctic Base copepod pigmentation freshwater ovigerous females progeny photoprotection |
spellingShingle |
Bulgarian Antarctic Base copepod pigmentation freshwater ovigerous females progeny photoprotection Pandourski,Ivan Evtimova,Vesela Kenderov,Lyubomir Sexually-manifested variations in pigmentation of Boeckella poppei (Copepoda, Calanoida) from Livingston Island (Maritime Antarctica) |
topic_facet |
Bulgarian Antarctic Base copepod pigmentation freshwater ovigerous females progeny photoprotection |
description |
Antarctic environments are exposed to high levels of ultraviolet radiation (UVR) that are often detrimental to their biota. Recent studies suggest that the genus Boeckella (Copepoda, Calanoida) has a high level of plasticity in terms of its reaction to UVR, which enables its wide distribution in various water bodies in Antarctica. Boeckella poppei is common in freshwater habitats of all three main biogeographic regions in Antarctica: sub-Antarctic islands, maritime and continental. We present for the first time a specific photoprotective response in populations of B. poppei from Livingston Island, Maritime Antarctica. In non-ovigerous females and in males, we observed uniform distribution of carotenoids in the body, while these pigments were almost entirely concentrated in the ovisacs of mature females. We consider this as a means of progeny protection from the teratogenic influence of the high level of UVR in Antarctic environments. Unequivocally, such adaptation would facilitate the expansion of B. poppei on the continent through colonisation and survival in shallow freshwater habitats. Given that the Antarctic environment is dynamically changing over the past decades and the accelerated retreat of permanent ice cover is a premise for the formation of shallow ponds, B. poppei could be a suitable indicator for reflecting the ongoing global environmental changes in Antarctica. |
format |
Article in Journal/Newspaper |
author |
Pandourski,Ivan Evtimova,Vesela Kenderov,Lyubomir |
author_facet |
Pandourski,Ivan Evtimova,Vesela Kenderov,Lyubomir |
author_sort |
Pandourski,Ivan |
title |
Sexually-manifested variations in pigmentation of Boeckella poppei (Copepoda, Calanoida) from Livingston Island (Maritime Antarctica) |
title_short |
Sexually-manifested variations in pigmentation of Boeckella poppei (Copepoda, Calanoida) from Livingston Island (Maritime Antarctica) |
title_full |
Sexually-manifested variations in pigmentation of Boeckella poppei (Copepoda, Calanoida) from Livingston Island (Maritime Antarctica) |
title_fullStr |
Sexually-manifested variations in pigmentation of Boeckella poppei (Copepoda, Calanoida) from Livingston Island (Maritime Antarctica) |
title_full_unstemmed |
Sexually-manifested variations in pigmentation of Boeckella poppei (Copepoda, Calanoida) from Livingston Island (Maritime Antarctica) |
title_sort |
sexually-manifested variations in pigmentation of boeckella poppei (copepoda, calanoida) from livingston island (maritime antarctica) |
publisher |
Pensoft Publishers |
publishDate |
2022 |
url |
https://doi.org/10.3897/biorisk.17.75988 https://biorisk.pensoft.net/article/75988/ |
long_lat |
ENVELOPE(-56.999,-56.999,-63.404,-63.404) ENVELOPE(-60.500,-60.500,-62.600,-62.600) |
geographic |
Antarctic Boeckella Livingston Island The Antarctic |
geographic_facet |
Antarctic Boeckella Livingston Island The Antarctic |
genre |
Antarc* Antarctic Antarctica Livingston Island |
genre_facet |
Antarc* Antarctic Antarctica Livingston Island |
op_source |
BioRisk 17: 263-269 |
op_relation |
info:eu-repo/semantics/altIdentifier/eissn/1313-2652 info:eu-repo/semantics/altIdentifier/pissn/1313-2644 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.3897/biorisk.17.75988 |
container_title |
BioRisk |
container_volume |
17 |
container_start_page |
263 |
op_container_end_page |
269 |
_version_ |
1766060508592472064 |