A STOICHIOMETRICALLY DERIVED ALGAL GROWTH MODEL AND ITS GLOBAL ANALYSIS

被引:18
|
作者
Li, Xiong [1 ]
Wang, Hao [2 ]
机构
[1] Beijing Normal Univ, Sch Math Sci, Beijing 100875, Peoples R China
[2] Univ Alberta, Dept Math & Stat Sci, Edmonton, AB T6G 2G1, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Stoichiometry; algae; phosphorus; carbon; nutrient; light; cell quota; global stability; NUTRIENT LIMITATION; MIXING DEPTHS; PHYTOPLANKTON; DYNAMICS; LIGHT; COMPETITION; GRADIENT;
D O I
10.3934/mbe.2010.7.825
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Organisms are composed of multiple chemical elements such as carbon, nitrogen, and phosphorus. The scarcity of any of these elements can severely restrict organismal and population growth. However, many trophic interaction models only consider carbon limitation via energy flow. In this paper, we construct an algal growth model with the explicit incorporation of light and nutrient availability to characterize both carbon and phosphorus limitations. We provide a global analysis of this model to illustrate how light and nutrient availability regulate algal dynamics.
引用
收藏
页码:825 / 836
页数:12
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