API

Relationship: 428

Title

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Increased, Mortality leads to Decreased, Population trajectory

Upstream event

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Increased, Mortality

Downstream event

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Decreased, Population trajectory

Key Event Relationship Overview

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AOPs Referencing Relationship

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AOP Name Directness Weight of Evidence Quantitative Understanding
Acetylcholinesterase inhibition leading to acute mortality directly leads to Moderate Moderate
AhR activation leading to early life stage mortality directly leads to Moderate Weak

Taxonomic Applicability

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Sex Applicability

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Life Stage Applicability

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How Does This Key Event Relationship Work

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Weight of Evidence

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Biological Plausibility

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  • Survival to reproductive maturity is a parameter of demographic significance. Assuming resource availability (i.e., food, habitat, etc.) is not limiting to the extant population, sufficient mortality in the reproductive population may ultimately lead to declining population trajectories.

Empirical Support for Linkage

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n/a

Uncertainties or Inconsistencies

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There are scenarios in which individual mortality may not lead to declining population size. These include instances were populations are limited by available habitat and food resource and can be replenished through immigration.

Quantitative Understanding of the Linkage

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Assuming other relevant demographic parameters are available, the effect of increased mortality rates on population status can be quantitatively predicted using standard population modeling approaches.

Evidence Supporting Taxonomic Applicability

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All organisms must survive to reproductive age in order to reproduce and sustain populations.

References

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