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PIF population size score - global
Population Size (PS-g) indicates vulnerability due to the total number of adult individuals in the global population. Scores were assigned using population estimates derived primarily from abundance data collected by the North American Breeding Birds Survey (BBS), extrapolated after various...
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5 Classification code topics matching:
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PS-g1
World breeding population ≥ 50,000,000
Numeric identifier:
- 1
Text identifier:
- World breeding population ≥50,000,000
Classification system:
PS-g2
World breeding population < 50,000,000 and ≥ 5,000,000
Numeric identifier:
- 2
Text identifier:
- World breeding population <50,000,000 and ≥5,000,000
Classification system:
PS-g3
World breeding population < 5,000,000 and ≥ 500,000
Numeric identifier:
- 3
Text identifier:
- World breeding population <5,000,000 and ≥500,000
Classification system:
PS-g4
World breeding population < 500,000 and ≥ 50,000
Numeric identifier:
- 4
Text identifier:
- World breeding population <500,000 and ≥50,000
Classification system:
PS-g5
World breeding population < 50,000
Numeric identifier:
- 5
Text identifier:
- World breeding population < 50,000
