Microcystins in planktonic and benthic food web components from Greenlandic lakes
Abstract There is increasing global concern regarding the social, economic, human health, and environmental health implications of cyanotoxins. However, much of what we know about cyanotoxins comes from studies of temperate or tropical systems with conspicuous surface blooms of cyanobacteria. We mea...
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ftdoajarticles:oai:doaj.org/article:e26f3e8186064238a4a78cd2bb8f68f6 2023-05-15T14:55:17+02:00 Microcystins in planktonic and benthic food web components from Greenlandic lakes Jessica V. Trout‐Haney Kathryn L. Cottingham 2021-06-01T00:00:00Z https://doi.org/10.1002/ecs2.3539 https://doaj.org/article/e26f3e8186064238a4a78cd2bb8f68f6 EN eng Wiley https://doi.org/10.1002/ecs2.3539 https://doaj.org/toc/2150-8925 2150-8925 doi:10.1002/ecs2.3539 https://doaj.org/article/e26f3e8186064238a4a78cd2bb8f68f6 Ecosphere, Vol 12, Iss 6, Pp n/a-n/a (2021) aquatic Arctic cyanobacteria cyanotoxins food webs Ecology QH540-549.5 article 2021 ftdoajarticles https://doi.org/10.1002/ecs2.3539 2022-12-31T05:20:45Z Abstract There is increasing global concern regarding the social, economic, human health, and environmental health implications of cyanotoxins. However, much of what we know about cyanotoxins comes from studies of temperate or tropical systems with conspicuous surface blooms of cyanobacteria. We measured the concentrations of microcystins (MCs), potent cyanotoxins produced by many cyanobacterial taxa, within lake food webs in southwestern Greenland. We detected MCs in six taxonomic groups of organisms and found that median MC concentrations in large (>50 µm) phytoplankton were an order of magnitude higher than benthic cyanobacteria (genus Nostoc) and two orders of magnitude higher than benthic grazers and consumers (snails, dytiscid larvae, and chironomid larvae). Microcystin concentrations generally decreased with increasing trophic position, suggesting that biomagnification does not occur in these lakes. We conclude that MCs are prevalent in multiple components of these Arctic aquatic food webs and that both benthic and pelagic taxa may be sources of MCs. Article in Journal/Newspaper Arctic Greenland greenlandic Human health Phytoplankton Directory of Open Access Journals: DOAJ Articles Arctic Greenland Ecosphere 12 6 |
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Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
aquatic Arctic cyanobacteria cyanotoxins food webs Ecology QH540-549.5 |
spellingShingle |
aquatic Arctic cyanobacteria cyanotoxins food webs Ecology QH540-549.5 Jessica V. Trout‐Haney Kathryn L. Cottingham Microcystins in planktonic and benthic food web components from Greenlandic lakes |
topic_facet |
aquatic Arctic cyanobacteria cyanotoxins food webs Ecology QH540-549.5 |
description |
Abstract There is increasing global concern regarding the social, economic, human health, and environmental health implications of cyanotoxins. However, much of what we know about cyanotoxins comes from studies of temperate or tropical systems with conspicuous surface blooms of cyanobacteria. We measured the concentrations of microcystins (MCs), potent cyanotoxins produced by many cyanobacterial taxa, within lake food webs in southwestern Greenland. We detected MCs in six taxonomic groups of organisms and found that median MC concentrations in large (>50 µm) phytoplankton were an order of magnitude higher than benthic cyanobacteria (genus Nostoc) and two orders of magnitude higher than benthic grazers and consumers (snails, dytiscid larvae, and chironomid larvae). Microcystin concentrations generally decreased with increasing trophic position, suggesting that biomagnification does not occur in these lakes. We conclude that MCs are prevalent in multiple components of these Arctic aquatic food webs and that both benthic and pelagic taxa may be sources of MCs. |
format |
Article in Journal/Newspaper |
author |
Jessica V. Trout‐Haney Kathryn L. Cottingham |
author_facet |
Jessica V. Trout‐Haney Kathryn L. Cottingham |
author_sort |
Jessica V. Trout‐Haney |
title |
Microcystins in planktonic and benthic food web components from Greenlandic lakes |
title_short |
Microcystins in planktonic and benthic food web components from Greenlandic lakes |
title_full |
Microcystins in planktonic and benthic food web components from Greenlandic lakes |
title_fullStr |
Microcystins in planktonic and benthic food web components from Greenlandic lakes |
title_full_unstemmed |
Microcystins in planktonic and benthic food web components from Greenlandic lakes |
title_sort |
microcystins in planktonic and benthic food web components from greenlandic lakes |
publisher |
Wiley |
publishDate |
2021 |
url |
https://doi.org/10.1002/ecs2.3539 https://doaj.org/article/e26f3e8186064238a4a78cd2bb8f68f6 |
geographic |
Arctic Greenland |
geographic_facet |
Arctic Greenland |
genre |
Arctic Greenland greenlandic Human health Phytoplankton |
genre_facet |
Arctic Greenland greenlandic Human health Phytoplankton |
op_source |
Ecosphere, Vol 12, Iss 6, Pp n/a-n/a (2021) |
op_relation |
https://doi.org/10.1002/ecs2.3539 https://doaj.org/toc/2150-8925 2150-8925 doi:10.1002/ecs2.3539 https://doaj.org/article/e26f3e8186064238a4a78cd2bb8f68f6 |
op_doi |
https://doi.org/10.1002/ecs2.3539 |
container_title |
Ecosphere |
container_volume |
12 |
container_issue |
6 |
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1766327071933464576 |