Influences of a submerged macrophyte on colony formation and growth of a green alga

The effects of the submerged macrophyte Ceratophyllum demersum on the growth and morphology of the green alga Scenedesmus obliquus were assessed by conducting co-culture laboratory experiments (15 and 25°C, presence/absence of 3 g fresh wt of C. demersum per litre of water in S. obliquus culture). G...

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Main Authors: J Dong, JJ Lu, GB Li, LR Song
Format: Article
Language:English
Published: Inter-Research 2013-11-01
Series:Aquatic Biology
Online Access:https://www.int-res.com/abstracts/ab/v19/n3/p265-274/
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author J Dong
JJ Lu
GB Li
LR Song
author_facet J Dong
JJ Lu
GB Li
LR Song
author_sort J Dong
collection DOAJ
description The effects of the submerged macrophyte Ceratophyllum demersum on the growth and morphology of the green alga Scenedesmus obliquus were assessed by conducting co-culture laboratory experiments (15 and 25°C, presence/absence of 3 g fresh wt of C. demersum per litre of water in S. obliquus culture). Growth rate, photosynthetic pigment-based growth, photosynthetic activity and colony formation of S. obliquus increased in the presence of C. demersum. The proportion of 4-celled colonies of S. obliquus increased from 36 to 76% at 25°C, and from 51 to 71% at 15°C in the presence of C. demersum. The induced morphological shift from unicells to colonies in S. obliquus promoted sedimentation to the bottom-water region, thereby providing a competitive advantage for the submerged macrophyte.
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spelling doaj.art-fa8b5fd7aa3044659dfe1421fc73c28e2022-12-21T20:39:48ZengInter-ResearchAquatic Biology1864-77821864-77902013-11-0119326527410.3354/ab00533Influences of a submerged macrophyte on colony formation and growth of a green algaJ Dong0JJ Lu1GB Li2LR Song3State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, PR ChinaState Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, PR ChinaState Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, PR ChinaState Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, PR ChinaThe effects of the submerged macrophyte Ceratophyllum demersum on the growth and morphology of the green alga Scenedesmus obliquus were assessed by conducting co-culture laboratory experiments (15 and 25°C, presence/absence of 3 g fresh wt of C. demersum per litre of water in S. obliquus culture). Growth rate, photosynthetic pigment-based growth, photosynthetic activity and colony formation of S. obliquus increased in the presence of C. demersum. The proportion of 4-celled colonies of S. obliquus increased from 36 to 76% at 25°C, and from 51 to 71% at 15°C in the presence of C. demersum. The induced morphological shift from unicells to colonies in S. obliquus promoted sedimentation to the bottom-water region, thereby providing a competitive advantage for the submerged macrophyte.https://www.int-res.com/abstracts/ab/v19/n3/p265-274/
spellingShingle J Dong
JJ Lu
GB Li
LR Song
Influences of a submerged macrophyte on colony formation and growth of a green alga
Aquatic Biology
title Influences of a submerged macrophyte on colony formation and growth of a green alga
title_full Influences of a submerged macrophyte on colony formation and growth of a green alga
title_fullStr Influences of a submerged macrophyte on colony formation and growth of a green alga
title_full_unstemmed Influences of a submerged macrophyte on colony formation and growth of a green alga
title_short Influences of a submerged macrophyte on colony formation and growth of a green alga
title_sort influences of a submerged macrophyte on colony formation and growth of a green alga
url https://www.int-res.com/abstracts/ab/v19/n3/p265-274/
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