API

Event: 1006

Key Event Title

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Reduced, Young of year survival

Short name

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Reduced, Young of year survival

Key Event Component

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Process Object Action
survival decreased

Key Event Overview


AOPs Including This Key Event

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Stressors

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Level of Biological Organization

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Biological Organization
Individual



Taxonomic Applicability

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Term Scientific Term Evidence Link
zebrafish Danio rerio NCBI

Life Stages

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Sex Applicability

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How This Key Event Works

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Young of year refers to young animals (usually fish) produced in one reproductive year, which have not yet reached one year of age. Small fish, hatched from eggs spawned in the current year, are considered young of year.

Young of year survival directly impacts population structure, growth and fitness. Maintenance of sustainable fish and wildlife populations is an accepted regulatory goal upon which risk assessments and risk management decisions are based.


How It Is Measured or Detected

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Young of year survival can be measured:

  • in the lab by recording survival during prolonged exposure experiments
  • in dedicated mesocosms, or in drainable ponds
  • in the field, for example by determining age structure after one capture, or by capture-tag-recapture efforts

Evidence Supporting Taxonomic Applicability

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Survival is important for all species.


References

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