The ecology of the planktonic diatom Cyclotella and its implications for global environmental change studies
ABSTRACT The fossil record of diatoms in lake sediments can be used to assess the effects of climate variability on lake ecosystems if ecological relationships between diatom community structure and environmental parameters are well understood. Cyclotella sensu lato taxa are a key group of diatoms t...
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Online Access: | http://dx.doi.org/10.1111/brv.12120 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fbrv.12120 https://onlinelibrary.wiley.com/doi/pdf/10.1111/brv.12120 |
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crwiley:10.1111/brv.12120 2024-06-23T07:50:41+00:00 The ecology of the planktonic diatom Cyclotella and its implications for global environmental change studies Saros, J. E. Anderson, N. J. 2014 http://dx.doi.org/10.1111/brv.12120 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fbrv.12120 https://onlinelibrary.wiley.com/doi/pdf/10.1111/brv.12120 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Biological Reviews volume 90, issue 2, page 522-541 ISSN 1464-7931 1469-185X journal-article 2014 crwiley https://doi.org/10.1111/brv.12120 2024-06-13T04:23:38Z ABSTRACT The fossil record of diatoms in lake sediments can be used to assess the effects of climate variability on lake ecosystems if ecological relationships between diatom community structure and environmental parameters are well understood. Cyclotella sensu lato taxa are a key group of diatoms that are frequently dominant members of phytoplankton communities in low‐ to moderate‐productivity lakes. Their relative abundances have fluctuated significantly in palaeolimnological records spanning over a century in arctic, alpine, boreal and temperate lakes. This suggests that these species are sensitive to environmental change and may serve as early indicators of ecosystem effects of global change. Yet patterns of change in Cyclotella species are not synchronous or unidirectional across, or even within, regions, raising the question of how to interpret these widespread changes in diatom community structure. We suggest that the path forward in resolving seemingly disparate records is to identify clearly the autecology of Cyclotella species, notably the role of nutrients, dissolved organic carbon and light, coupled with better consideration of both the mechanisms controlling lake thermal stratification processes and the resulting effects of changing lake thermal regimes on light and nutrients. Here we begin by reviewing the literature on the resource requirements of common Cyclotella taxa, illustrating that many studies reveal the importance of light, nitrogen, phosphorus, and interactions among these resources in controlling relative abundances. We then discuss how these resource requirements can be linked to shifts in limnological processes driven by environmental change, including climate‐driven change in lakewater temperature, thermal stratification and nutrient loading, as well as acidification‐driven shifts in nutrients and water clarity. We examine three case studies, each involving two lakes from the same region that have disparate trends in the relative abundances of the same species, and illustrate how the ... Article in Journal/Newspaper Arctic Phytoplankton Wiley Online Library Arctic Changing Lake ENVELOPE(-45.619,-45.619,-60.708,-60.708) Biological Reviews 90 2 522 541 |
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Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
ABSTRACT The fossil record of diatoms in lake sediments can be used to assess the effects of climate variability on lake ecosystems if ecological relationships between diatom community structure and environmental parameters are well understood. Cyclotella sensu lato taxa are a key group of diatoms that are frequently dominant members of phytoplankton communities in low‐ to moderate‐productivity lakes. Their relative abundances have fluctuated significantly in palaeolimnological records spanning over a century in arctic, alpine, boreal and temperate lakes. This suggests that these species are sensitive to environmental change and may serve as early indicators of ecosystem effects of global change. Yet patterns of change in Cyclotella species are not synchronous or unidirectional across, or even within, regions, raising the question of how to interpret these widespread changes in diatom community structure. We suggest that the path forward in resolving seemingly disparate records is to identify clearly the autecology of Cyclotella species, notably the role of nutrients, dissolved organic carbon and light, coupled with better consideration of both the mechanisms controlling lake thermal stratification processes and the resulting effects of changing lake thermal regimes on light and nutrients. Here we begin by reviewing the literature on the resource requirements of common Cyclotella taxa, illustrating that many studies reveal the importance of light, nitrogen, phosphorus, and interactions among these resources in controlling relative abundances. We then discuss how these resource requirements can be linked to shifts in limnological processes driven by environmental change, including climate‐driven change in lakewater temperature, thermal stratification and nutrient loading, as well as acidification‐driven shifts in nutrients and water clarity. We examine three case studies, each involving two lakes from the same region that have disparate trends in the relative abundances of the same species, and illustrate how the ... |
format |
Article in Journal/Newspaper |
author |
Saros, J. E. Anderson, N. J. |
spellingShingle |
Saros, J. E. Anderson, N. J. The ecology of the planktonic diatom Cyclotella and its implications for global environmental change studies |
author_facet |
Saros, J. E. Anderson, N. J. |
author_sort |
Saros, J. E. |
title |
The ecology of the planktonic diatom Cyclotella and its implications for global environmental change studies |
title_short |
The ecology of the planktonic diatom Cyclotella and its implications for global environmental change studies |
title_full |
The ecology of the planktonic diatom Cyclotella and its implications for global environmental change studies |
title_fullStr |
The ecology of the planktonic diatom Cyclotella and its implications for global environmental change studies |
title_full_unstemmed |
The ecology of the planktonic diatom Cyclotella and its implications for global environmental change studies |
title_sort |
ecology of the planktonic diatom cyclotella and its implications for global environmental change studies |
publisher |
Wiley |
publishDate |
2014 |
url |
http://dx.doi.org/10.1111/brv.12120 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fbrv.12120 https://onlinelibrary.wiley.com/doi/pdf/10.1111/brv.12120 |
long_lat |
ENVELOPE(-45.619,-45.619,-60.708,-60.708) |
geographic |
Arctic Changing Lake |
geographic_facet |
Arctic Changing Lake |
genre |
Arctic Phytoplankton |
genre_facet |
Arctic Phytoplankton |
op_source |
Biological Reviews volume 90, issue 2, page 522-541 ISSN 1464-7931 1469-185X |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/brv.12120 |
container_title |
Biological Reviews |
container_volume |
90 |
container_issue |
2 |
container_start_page |
522 |
op_container_end_page |
541 |
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1802641605543329792 |