Journal
JOURNAL OF THEORETICAL BIOLOGY
Volume 385, Issue -, Pages 8-19Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jtbi.2015.07.039
Keywords
Phytoplankton bloom; Environmental factors; Ecological reproductive index; Threshold conditions; Stability
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Funding
- National Natural Science Foundation of China [11271065, 31170476, 51178092]
- Research Fund for the Doctoral Program of Higher Education of PR China [20130043110001]
- Fundamental Research Funds for the Central Universities [14ZZ1309]
- NSERC
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Motivated by some lab and field observations of the hump shaped effects of water temperature and light on the growth of phytoplankton, a bottom-up nutrient phytoplankton model, which incorporates the combined effects of temperature and light, is proposed and analyzed to explore the dynamics of phytoplankton bloom. The population growth model reasonably captures such observed dynamics qualitatively. An ecological reproductive index is defined to characterize the growth of the phytoplankton which also allows a comprehensive analysis of the role of temperature and light on the growth and reproductive characteristics of phytoplankton in general. The model provides a framework to study the mechanisms of phytoplankton dynamics in shallow lake and may even be employed to study the controlled phytoplankton bloom. (C) 2015 Elsevier Ltd. All rights reserved.
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