DNA barcoding and mucilage ducts in the stipe reveal the presence of Hedophyllum nigripes (Laminariales, Phaeophyceae) in Kongsfjorden (Spitsbergen)
The Arctic Ocean is a unique ecosystem hosting a biodiversity that has not yet been elucidated in full detail. There is increasing evidence that there are more kelp species constricted to Arctic/sub‐Arctic habitats hitherto not well investigated, such as Hedophyllum nigripes, which is morphologicall...
Published in: | Journal of Phycology |
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crwiley:10.1111/jpy.13012 2024-09-15T17:54:03+00:00 DNA barcoding and mucilage ducts in the stipe reveal the presence of Hedophyllum nigripes (Laminariales, Phaeophyceae) in Kongsfjorden (Spitsbergen) Dankworth, Marie Heinrich, Sandra Fredriksen, Stein Bartsch, Inka Edwards, M. 2020 http://dx.doi.org/10.1111/jpy.13012 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjpy.13012 https://onlinelibrary.wiley.com/doi/pdf/10.1111/jpy.13012 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/jpy.13012 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Phycology volume 56, issue 5, page 1245-1254 ISSN 0022-3646 1529-8817 journal-article 2020 crwiley https://doi.org/10.1111/jpy.13012 2024-09-05T05:09:48Z The Arctic Ocean is a unique ecosystem hosting a biodiversity that has not yet been elucidated in full detail. There is increasing evidence that there are more kelp species constricted to Arctic/sub‐Arctic habitats hitherto not well investigated, such as Hedophyllum nigripes, which is morphologically very similar to cold‐temperate Laminaria digitata. Hedophyllum nigripes was originally described as L. nigripes by Agardh from Spitsbergen but has often been misidentified as L. digitata in the European Arctic. We initiated a systematic algal survey along a depth gradient (0–7.5 m) in Kongsfjorden (Spitsbergen) in June and July 2015 and thereby confirmed a predominant presence of H. nigripes (73%) . Hedophyllum nigripes is occurring between 0 and 7.5 m while L. digitata was most abundant at 2.5 m depth. Hedophyllum nigripes individuals were generally younger (2.3 vs. 3.6 years) and stipe and blade length shorter (31 vs. 54 cm and 76 vs. 96 cm, respectively) compared to L. digitata . A combination of molecular (COI‐5P) and morpho‐anatomical tools (presence of sori and mucilage ducts in the stipe) was used to differentiate specimens of H. nigripes and L. digitata . Both kelp species were indistinguishable in most cases by external blade and stipe morphology. The different blade shapes represented different ontogenetic stages rather than phenotypic plasticity. The presence of mucilage ducts in the stipe was correlated with H. nigripes and changed with depth from 17%, 36%, and 85% at 2.5, 5, and 7.5 m, respectively. In addition, all summer fertile specimens were L. digitata . Article in Journal/Newspaper Arctic Ocean Kongsfjord* Kongsfjorden Spitsbergen Wiley Online Library Journal of Phycology 56 5 1245 1254 |
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Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
The Arctic Ocean is a unique ecosystem hosting a biodiversity that has not yet been elucidated in full detail. There is increasing evidence that there are more kelp species constricted to Arctic/sub‐Arctic habitats hitherto not well investigated, such as Hedophyllum nigripes, which is morphologically very similar to cold‐temperate Laminaria digitata. Hedophyllum nigripes was originally described as L. nigripes by Agardh from Spitsbergen but has often been misidentified as L. digitata in the European Arctic. We initiated a systematic algal survey along a depth gradient (0–7.5 m) in Kongsfjorden (Spitsbergen) in June and July 2015 and thereby confirmed a predominant presence of H. nigripes (73%) . Hedophyllum nigripes is occurring between 0 and 7.5 m while L. digitata was most abundant at 2.5 m depth. Hedophyllum nigripes individuals were generally younger (2.3 vs. 3.6 years) and stipe and blade length shorter (31 vs. 54 cm and 76 vs. 96 cm, respectively) compared to L. digitata . A combination of molecular (COI‐5P) and morpho‐anatomical tools (presence of sori and mucilage ducts in the stipe) was used to differentiate specimens of H. nigripes and L. digitata . Both kelp species were indistinguishable in most cases by external blade and stipe morphology. The different blade shapes represented different ontogenetic stages rather than phenotypic plasticity. The presence of mucilage ducts in the stipe was correlated with H. nigripes and changed with depth from 17%, 36%, and 85% at 2.5, 5, and 7.5 m, respectively. In addition, all summer fertile specimens were L. digitata . |
author2 |
Edwards, M. |
format |
Article in Journal/Newspaper |
author |
Dankworth, Marie Heinrich, Sandra Fredriksen, Stein Bartsch, Inka |
spellingShingle |
Dankworth, Marie Heinrich, Sandra Fredriksen, Stein Bartsch, Inka DNA barcoding and mucilage ducts in the stipe reveal the presence of Hedophyllum nigripes (Laminariales, Phaeophyceae) in Kongsfjorden (Spitsbergen) |
author_facet |
Dankworth, Marie Heinrich, Sandra Fredriksen, Stein Bartsch, Inka |
author_sort |
Dankworth, Marie |
title |
DNA barcoding and mucilage ducts in the stipe reveal the presence of Hedophyllum nigripes (Laminariales, Phaeophyceae) in Kongsfjorden (Spitsbergen) |
title_short |
DNA barcoding and mucilage ducts in the stipe reveal the presence of Hedophyllum nigripes (Laminariales, Phaeophyceae) in Kongsfjorden (Spitsbergen) |
title_full |
DNA barcoding and mucilage ducts in the stipe reveal the presence of Hedophyllum nigripes (Laminariales, Phaeophyceae) in Kongsfjorden (Spitsbergen) |
title_fullStr |
DNA barcoding and mucilage ducts in the stipe reveal the presence of Hedophyllum nigripes (Laminariales, Phaeophyceae) in Kongsfjorden (Spitsbergen) |
title_full_unstemmed |
DNA barcoding and mucilage ducts in the stipe reveal the presence of Hedophyllum nigripes (Laminariales, Phaeophyceae) in Kongsfjorden (Spitsbergen) |
title_sort |
dna barcoding and mucilage ducts in the stipe reveal the presence of hedophyllum nigripes (laminariales, phaeophyceae) in kongsfjorden (spitsbergen) |
publisher |
Wiley |
publishDate |
2020 |
url |
http://dx.doi.org/10.1111/jpy.13012 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjpy.13012 https://onlinelibrary.wiley.com/doi/pdf/10.1111/jpy.13012 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/jpy.13012 |
genre |
Arctic Ocean Kongsfjord* Kongsfjorden Spitsbergen |
genre_facet |
Arctic Ocean Kongsfjord* Kongsfjorden Spitsbergen |
op_source |
Journal of Phycology volume 56, issue 5, page 1245-1254 ISSN 0022-3646 1529-8817 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/jpy.13012 |
container_title |
Journal of Phycology |
container_volume |
56 |
container_issue |
5 |
container_start_page |
1245 |
op_container_end_page |
1254 |
_version_ |
1810430242567749632 |