Contrary to the past belief that the species richness-productivity relationship (SRPR) is characterized by a single “true” pattern, several analyses have shown that a heterogeneous distribution of SRPRs exists and that the patterns’ distribution of a SRPR is sensitive to the directness of the estimates of productivity. A simple conceptual model demonstrates that taking into account underlying relationships connecting productivity with species richness produces a heterogeneous distribution of relationships. We suggest that the search for a single pattern for SRPR has reached a dead end, and that we should direct our research focus to exploring the mechanisms responsible for the various SRPRs.
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Ziv, Y., Tsairi, A. The species richness-productivity relationship: time to stop searching for a “true” pattern?. COMMUNITY ECOLOGY 5, 177–180 (2004). https://doi.org/10.1556/ComEc.5.2004.2.5
- Conceptual model
- Monotonic-increase relationship
- Species diversity
- Unimodal pattern