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    LoyalLoyalJusticeJustice
    Made withinDC&Austin
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    Perspectives
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    Home/Original/inverse
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    Inverse View

    It is not the case that Diversity must mean more than species richness

    ?Set your confidence on the premises below to see your aggregate.

    Reasons For

    2 perspectives
    Reason for 1 of 2
    ?
    • 1.Species richness provides a theoretically neutral, operationalizable metric that avoids importing contested normative assumptions into biodiversity measurement.
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    • 2.Abundance-weighted indices like Shannon entropy embed implicit value judgments about evenness that are not derivable from ecological function alone.
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    • 3.A measure that is philosophically cleaner and empirically tractable is preferable to a richer but theoretically underdetermined composite metric.
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    Reason for 2 of 2
    ?
    • 1.The inference from 'richness omits abundance' to 'richness is insufficient' conflates descriptive incompleteness with explanatory inadequacy.
      ?

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    • 2.Macarthur and Wilson's island biogeography demonstrates that species number alone predicts key ecological dynamics without requiring abundance data.
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    • 3.If richness successfully predicts the phenomena it was invoked to explain, the demand for a broader diversity concept introduces theoretical complexity without explanatory gain.
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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.Richness fails to capture relative abundance differences between communities
      ?

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    • 2.Relative abundance affects the scope of inter-species interactions
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    • 3.The scope of inter-species interactions is relevant to whatever stability effects diversity may produce
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