Changes in food web dynamics of low Arctic ponds with varying content of dissolved organic carbon
An influx of terrestrial dissolved organic carbon (DOC) into freshwater habitats can regulate a range of ecosystem characteristics, from water clarity to productivity. To understand the extent to which DOC can regulate ecosystem functioning, we conducted a survey to determine the source of DOC in lo...
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ftdatacite:10.6084/m9.figshare.5942482.v1 2023-05-15T14:49:18+02:00 Changes in food web dynamics of low Arctic ponds with varying content of dissolved organic carbon Mariash, Heather L. Cazzanelli, Matteo Rautio, Milla Hamerlik, Ladislav Wooller, Matthew J. Christoffersen, Kirsten S. 2018 https://dx.doi.org/10.6084/m9.figshare.5942482.v1 https://tandf.figshare.com/articles/journal_contribution/Changes_in_food_web_dynamics_of_low_Arctic_ponds_with_varying_content_of_dissolved_organic_carbon/5942482/1 unknown Taylor & Francis https://dx.doi.org/10.1080/15230430.2017.1414472 https://dx.doi.org/10.6084/m9.figshare.5942482 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 CC-BY Ecology FOS Biological sciences 69999 Biological Sciences not elsewhere classified Cancer Inorganic Chemistry FOS Chemical sciences Text article-journal Journal contribution ScholarlyArticle 2018 ftdatacite https://doi.org/10.6084/m9.figshare.5942482.v1 https://doi.org/10.1080/15230430.2017.1414472 https://doi.org/10.6084/m9.figshare.5942482 2021-11-05T12:55:41Z An influx of terrestrial dissolved organic carbon (DOC) into freshwater habitats can regulate a range of ecosystem characteristics, from water clarity to productivity. To understand the extent to which DOC can regulate ecosystem functioning, we conducted a survey to determine the source of DOC in low Arctic ponds close to the Arctic Circle (Kangerlussuaq, Greenland), including its role in food web dynamics. We used a multiple element (carbon, nitrogen, and hydrogen) stable isotope approach to examine the proportional contribution of different sources to aquatic consumers in nine arctic ponds that spanned a broad gradient of DOC (6.6–60.1 mg L-1 ). Our results show that benthic and pelagic primary production decreased along a gradient of increasing DOC content. Additionally, the changes in the organic matter pool with increasing DOC translated into changes in consumer resource use. We found significant differences in resource use between species. All consumers relied on benthic autotrophic material when DOC was low; but when DOC was high some consumers changed their diet. Collectively, our findings demonstrate how the concentration of DOC influences aquatic production and our study can be used as a baseline to predict how the aquatic food web may respond to regionally changing DOC concentrations. Text Arctic Greenland Kangerlussuaq DataCite Metadata Store (German National Library of Science and Technology) Arctic Greenland Kangerlussuaq ENVELOPE(-55.633,-55.633,72.633,72.633) |
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DataCite Metadata Store (German National Library of Science and Technology) |
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unknown |
topic |
Ecology FOS Biological sciences 69999 Biological Sciences not elsewhere classified Cancer Inorganic Chemistry FOS Chemical sciences |
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Ecology FOS Biological sciences 69999 Biological Sciences not elsewhere classified Cancer Inorganic Chemistry FOS Chemical sciences Mariash, Heather L. Cazzanelli, Matteo Rautio, Milla Hamerlik, Ladislav Wooller, Matthew J. Christoffersen, Kirsten S. Changes in food web dynamics of low Arctic ponds with varying content of dissolved organic carbon |
topic_facet |
Ecology FOS Biological sciences 69999 Biological Sciences not elsewhere classified Cancer Inorganic Chemistry FOS Chemical sciences |
description |
An influx of terrestrial dissolved organic carbon (DOC) into freshwater habitats can regulate a range of ecosystem characteristics, from water clarity to productivity. To understand the extent to which DOC can regulate ecosystem functioning, we conducted a survey to determine the source of DOC in low Arctic ponds close to the Arctic Circle (Kangerlussuaq, Greenland), including its role in food web dynamics. We used a multiple element (carbon, nitrogen, and hydrogen) stable isotope approach to examine the proportional contribution of different sources to aquatic consumers in nine arctic ponds that spanned a broad gradient of DOC (6.6–60.1 mg L-1 ). Our results show that benthic and pelagic primary production decreased along a gradient of increasing DOC content. Additionally, the changes in the organic matter pool with increasing DOC translated into changes in consumer resource use. We found significant differences in resource use between species. All consumers relied on benthic autotrophic material when DOC was low; but when DOC was high some consumers changed their diet. Collectively, our findings demonstrate how the concentration of DOC influences aquatic production and our study can be used as a baseline to predict how the aquatic food web may respond to regionally changing DOC concentrations. |
format |
Text |
author |
Mariash, Heather L. Cazzanelli, Matteo Rautio, Milla Hamerlik, Ladislav Wooller, Matthew J. Christoffersen, Kirsten S. |
author_facet |
Mariash, Heather L. Cazzanelli, Matteo Rautio, Milla Hamerlik, Ladislav Wooller, Matthew J. Christoffersen, Kirsten S. |
author_sort |
Mariash, Heather L. |
title |
Changes in food web dynamics of low Arctic ponds with varying content of dissolved organic carbon |
title_short |
Changes in food web dynamics of low Arctic ponds with varying content of dissolved organic carbon |
title_full |
Changes in food web dynamics of low Arctic ponds with varying content of dissolved organic carbon |
title_fullStr |
Changes in food web dynamics of low Arctic ponds with varying content of dissolved organic carbon |
title_full_unstemmed |
Changes in food web dynamics of low Arctic ponds with varying content of dissolved organic carbon |
title_sort |
changes in food web dynamics of low arctic ponds with varying content of dissolved organic carbon |
publisher |
Taylor & Francis |
publishDate |
2018 |
url |
https://dx.doi.org/10.6084/m9.figshare.5942482.v1 https://tandf.figshare.com/articles/journal_contribution/Changes_in_food_web_dynamics_of_low_Arctic_ponds_with_varying_content_of_dissolved_organic_carbon/5942482/1 |
long_lat |
ENVELOPE(-55.633,-55.633,72.633,72.633) |
geographic |
Arctic Greenland Kangerlussuaq |
geographic_facet |
Arctic Greenland Kangerlussuaq |
genre |
Arctic Greenland Kangerlussuaq |
genre_facet |
Arctic Greenland Kangerlussuaq |
op_relation |
https://dx.doi.org/10.1080/15230430.2017.1414472 https://dx.doi.org/10.6084/m9.figshare.5942482 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.6084/m9.figshare.5942482.v1 https://doi.org/10.1080/15230430.2017.1414472 https://doi.org/10.6084/m9.figshare.5942482 |
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