Cargando…
Temperature-dependent competitive advantages of an allelopathic alga over non-allelopathic alga are altered by pollutants and initial algal abundance levels
In the context of climate warming, the dominance of allelopathic algae that cause ecosystem disturbances is an important topic. Although the hypothesis that an increase in temperature will be favorable to the dominance of allelopathic algae has been increasingly supported by many studies, it is stil...
Autores principales: | , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2020
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7064544/ https://www.ncbi.nlm.nih.gov/pubmed/32157147 http://dx.doi.org/10.1038/s41598-020-61438-9 |
_version_ | 1783504892396044288 |
---|---|
author | Kim, Yongeun Son, Jino Lee, Yun-Sik Wee, June Lee, Minyoung Cho, Kijong |
author_facet | Kim, Yongeun Son, Jino Lee, Yun-Sik Wee, June Lee, Minyoung Cho, Kijong |
author_sort | Kim, Yongeun |
collection | PubMed |
description | In the context of climate warming, the dominance of allelopathic algae that cause ecosystem disturbances is an important topic. Although the hypothesis that an increase in temperature will be favorable to the dominance of allelopathic algae has been increasingly supported by many studies, it is still unclear how other factors can affect the influence of temperature. In this study, the effects of copper exposure and initial algal abundance on the competition between Pseudokirchneriella subcapitata (non-allelopathic alga) and Chlorella vulgaris (allelopathic alga) were investigated during temperature changes. The results showed that increased temperatures enhanced the competitive advantage of C. vulgaris only in the absence of copper exposure. Our data confirmed that copper exposure along with increased temperature (20–30 °C) may change the competitive advantage of C. vulgaris from favorable to unfavorable. The initial algal abundance was found to affect competition outcome by controlling copper toxicity. This study suggests that pollutants and initial abundance can alter the effects of increased temperature on the allelopathic interaction. Given the temporal dynamics of algal abundance and the pollutants in natural ecosystems, these findings should be considered in the prediction of temperature influence on an algal community. |
format | Online Article Text |
id | pubmed-7064544 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-70645442020-03-18 Temperature-dependent competitive advantages of an allelopathic alga over non-allelopathic alga are altered by pollutants and initial algal abundance levels Kim, Yongeun Son, Jino Lee, Yun-Sik Wee, June Lee, Minyoung Cho, Kijong Sci Rep Article In the context of climate warming, the dominance of allelopathic algae that cause ecosystem disturbances is an important topic. Although the hypothesis that an increase in temperature will be favorable to the dominance of allelopathic algae has been increasingly supported by many studies, it is still unclear how other factors can affect the influence of temperature. In this study, the effects of copper exposure and initial algal abundance on the competition between Pseudokirchneriella subcapitata (non-allelopathic alga) and Chlorella vulgaris (allelopathic alga) were investigated during temperature changes. The results showed that increased temperatures enhanced the competitive advantage of C. vulgaris only in the absence of copper exposure. Our data confirmed that copper exposure along with increased temperature (20–30 °C) may change the competitive advantage of C. vulgaris from favorable to unfavorable. The initial algal abundance was found to affect competition outcome by controlling copper toxicity. This study suggests that pollutants and initial abundance can alter the effects of increased temperature on the allelopathic interaction. Given the temporal dynamics of algal abundance and the pollutants in natural ecosystems, these findings should be considered in the prediction of temperature influence on an algal community. Nature Publishing Group UK 2020-03-10 /pmc/articles/PMC7064544/ /pubmed/32157147 http://dx.doi.org/10.1038/s41598-020-61438-9 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Kim, Yongeun Son, Jino Lee, Yun-Sik Wee, June Lee, Minyoung Cho, Kijong Temperature-dependent competitive advantages of an allelopathic alga over non-allelopathic alga are altered by pollutants and initial algal abundance levels |
title | Temperature-dependent competitive advantages of an allelopathic alga over non-allelopathic alga are altered by pollutants and initial algal abundance levels |
title_full | Temperature-dependent competitive advantages of an allelopathic alga over non-allelopathic alga are altered by pollutants and initial algal abundance levels |
title_fullStr | Temperature-dependent competitive advantages of an allelopathic alga over non-allelopathic alga are altered by pollutants and initial algal abundance levels |
title_full_unstemmed | Temperature-dependent competitive advantages of an allelopathic alga over non-allelopathic alga are altered by pollutants and initial algal abundance levels |
title_short | Temperature-dependent competitive advantages of an allelopathic alga over non-allelopathic alga are altered by pollutants and initial algal abundance levels |
title_sort | temperature-dependent competitive advantages of an allelopathic alga over non-allelopathic alga are altered by pollutants and initial algal abundance levels |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7064544/ https://www.ncbi.nlm.nih.gov/pubmed/32157147 http://dx.doi.org/10.1038/s41598-020-61438-9 |
work_keys_str_mv | AT kimyongeun temperaturedependentcompetitiveadvantagesofanallelopathicalgaovernonallelopathicalgaarealteredbypollutantsandinitialalgalabundancelevels AT sonjino temperaturedependentcompetitiveadvantagesofanallelopathicalgaovernonallelopathicalgaarealteredbypollutantsandinitialalgalabundancelevels AT leeyunsik temperaturedependentcompetitiveadvantagesofanallelopathicalgaovernonallelopathicalgaarealteredbypollutantsandinitialalgalabundancelevels AT weejune temperaturedependentcompetitiveadvantagesofanallelopathicalgaovernonallelopathicalgaarealteredbypollutantsandinitialalgalabundancelevels AT leeminyoung temperaturedependentcompetitiveadvantagesofanallelopathicalgaovernonallelopathicalgaarealteredbypollutantsandinitialalgalabundancelevels AT chokijong temperaturedependentcompetitiveadvantagesofanallelopathicalgaovernonallelopathicalgaarealteredbypollutantsandinitialalgalabundancelevels |