原始檔案 (SVG 檔案,表面大小:240 × 64 像素,檔案大小:30 KB)
摘要
Graphic diagram showing the 2008 New Zealand Threat Classification System categories, used by the New Zealand Department of Conservation. These categories replace the 2002 NZTCS.
At Risk categories
2002 Categories
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Description
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2008 Categories
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2022 Categories
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Range Restricted (RR): small population only found in a particular habitat or area.
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Now a qualifier, not a NZTCS category
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Now a qualifier, not a NZTCS category
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Sparse (SP); rare and localised.
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Now a qualifier, not a NZTCS category
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Now a qualifier, not a NZTCS category
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Gradual Decline (GD): a moderate to large population with a small to moderate rate of decline.
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No longer a NZTCS category
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No longer a NZTCS category
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Serious Decline (SD): a moderate to large population with moderate to large predicted decline.
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No longer a NZTCS category
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No longer a NZTCS category
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—
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Naturally Uncommon (NU): naturally occurring as small or widely-scattered populations.
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—
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Relict (REL): occupying less than 10% of their former range, but stable or increasing.
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—
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Recovering (R): previously declining, but now showing an ongoing or predicted increase.
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No longer a NZTCS category; moved to Nationally Increasing
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—
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Declining (D): buffered by a large population or a slow decline rate, but may become Threatened in the future.
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Threatened categories
2002 Categories
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Description
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2008 Categories
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2022 Categories
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—
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Nationally Increasing (NI): previously declining, but now showing an ongoing or predicted increase.
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—
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Nationally Vulnerable (VU): a small or localised population facing gradual decline.
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Nationally Endangered (NE): a small to moderate population declining at a moderate to high rate.
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Nationally Critical (NC): a very small (less than 250 individuals) or very localised population, or one rapidly declining, or both.
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Other categories
2002 Categories
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Description
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2008 Categories
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2022 Categories
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Not Threatened (NT): an assessed native NZ species that does not qualify as At Risk or Threatened.
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Data Deficient (DD): insufficient information is available to make as assessment on conservation status.
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Extinct (EX): there is no reasonable doubt that no individuals exist. For these lists only species that have become extinct since 1840 are listed.
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授權條款
Graphics created by: Mike Dickison. (User:Giantflightlessbirds)
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