A comparative modelling study of plant growth systems in a desert ecosystem. Reynolds, J. F. Ph.D. Thesis, New Mexico State University, Las Cruces, New Mexico, 1974. abstract bibtex The use of modeling as a tool in ecosystem analysis has mushroomed in recent years.... Two possible modeling approaches are within quantitative and a qualitative formats. The quantitative approach in ecology usually incorporates the level-rate paradigm of Forrester, utilizing systems of differential equations to describe component relationships. A high level of model precision is one of the objectives. The qualitative approach, as used here, incorporated the pulse-reserve paradigm of Bridges, utilizing blocks of logic statements to test for the presence or absence of specific driving variables. A high level of model realism is one of the goals using this technique. Although void of functional relationships or mechanisms, the pulse-reserve model did offer long-term stability. The reserve-trigger-pulse sequence of the model is biologically real and represents an adaptive strategy for organisms in arid environments. The possibility of expanding this approach for and entire system is discussed. A model is proposed that incorporates the more precise level-rate formulation for primary producers and the pulse-reserve paradigm for higher trophic levels.
@phdthesis{reynolds_comparative_1974,
address = {Las Cruces, New Mexico},
title = {A comparative modelling study of plant growth systems in a desert ecosystem},
abstract = {The use of modeling as a tool in ecosystem analysis has mushroomed in recent years.... Two possible modeling approaches are within quantitative and a qualitative formats. The quantitative approach in ecology usually incorporates the level-rate paradigm of Forrester, utilizing systems of differential equations to describe component relationships. A high level of model precision is one of the objectives. The qualitative approach, as used here, incorporated the pulse-reserve paradigm of Bridges, utilizing blocks of logic statements to test for the presence or absence of specific driving variables. A high level of model realism is one of the goals using this technique. Although void of functional relationships or mechanisms, the pulse-reserve model did offer long-term stability. The reserve-trigger-pulse sequence of the model is biologically real and represents an adaptive strategy for organisms in arid environments. The possibility of expanding this approach for and entire system is discussed. A model is proposed that incorporates the more precise level-rate formulation for primary producers and the pulse-reserve paradigm for higher trophic levels.},
school = {New Mexico State University},
author = {Reynolds, James Fredric},
year = {1974},
keywords = {JRN, thesis}
}
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