期刊
SYNTHESE
卷 198, 期 10, 页码 9315-9333出版社
SPRINGER
DOI: 10.1007/s11229-020-02635-x
关键词
Function; Ecological function; Invasive species; Biodiversity; Conservation science; Philosophy of ecology; Philosophy of biology; Ecosystem health; Biocentrism; Environmental ethics; Teleology
资金
- Australian Research Council [DP170104924]
Ecological systems with functional organization may experience functions or malfunctions, with natural functions justifying conservation efforts. While no theory of function applies to large scale ecosystems, controlling invasive species can still help preserve ecological features.
If ecological systems are functionally organised, they can possess functions or malfunctions. Natural function would provide justification for conservationists to act for the protection of current ecological arrangements and control the presence of populations that create ecosystem malfunctions. Invasive species are often thought to be malfunctional for ecosystems, so functional arrangement would provide an objective reason for their control. Unfortunately for this prospect, I argue no theory of function, which can support such normative conclusions, can be applied to large scale ecosystems. Instead ecological systems have causal structure, with small clusters of populations achieving functional arrangement. This, however, does not leave us without reason to control invasive species. We can look at the causal arrangement of ecological systems for populations that support ecological features that we should preserve. Populations that play a causal role in reducing biodiversity should be controlled, because biodiversity is a good all prudent agents should want to preserve.
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