Competition Theory and Channeling Explanation

Philosophy and Theory in Biology 3 (20130604):1-16 (2011)
Abstract
The complexity and heterogeneity of causes influencing ecology’s domain challenge its capacity to generate a general theory without exceptions, raising the question of whether ecology is capable, even in principle, of achieving the sort of theoretical success enjoyed by physics. Weber has argued that competition theory built around the Competitive Exclusion Principle (especially Tilman’s resource-competition model) offers an example of ecology identifying a law-like causal regularity. However, I suggest that as Weber presents it, the CEP is not yet a causal regularity. Instead, I argue that the scientific understanding in Tilman’s theory takes a different form. The theory explains through a structure I call “channeling explanation” which does not depend on deduction from general laws, but rather builds on constraints and trade-offs represented in state-space. Recognizing this structure supports the more general point that ecology and other so-called special sciences can reveal novel theoretical approaches to philosophy of science when approached with openness to their uniqueness.
Keywords competitive exclusion principle  ecology  explanation  laws  plant succession  resource competition
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    James R. Griesemer (1988). Causal Explanation in Laboratory Ecology: The Case of Competitive Indeterminacy. PSA: Proceedings of the Biennial Meeting of the Philosophy of Science Association 1988:337 - 344.
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