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全球爬行动物评估突出了四足动物的共同保护需求
Neil Cox1, Bruce E Young2, Philip Bowles1
1Biodiversity Assessment Unit, IUCN-Conservation International, Washington, DC, USA.
Nature
|April 28, 2022
概括
爬行动物灭绝的风险很高,超过21%的物种受到威胁. 保护其他四足动物的努力可以使爬行动物受益, 但有些需要有针对性的行动.
科学领域:
- 保护生物学
- 动物学
- 生态学
背景情况:
- 全球灭绝风险评估已经确定两动物,哺乳动物和鸟类的高威胁水平.
- 尽管爬行动物存在多样性,但它们在全面的灭绝风险分析中基本上被忽略了,特别是在干旱地区.
- 了解爬行动物保护需求对于有效保护生物多样性至关重要.
研究的目的:
- 对所有已知的爬行动物物种进行全面的灭绝风险评估.
- 确定对爬行动物的重大威胁,并将其与影响其他四足动物的威胁进行比较.
- 评估其他四足动物保护策略的有效性.
主要方法:
- 全球对10196种爬行动物的灭绝风险进行评估.
- 分析包括农业,伐木,城市发展,入侵物种和气候变化的威胁.
- 爬行动物与其他四足动物之间的威胁水平和保护代孕的比较.
主要成果:
- 至少有1,829种爬行动物 (21.1%) 面临灭绝的威胁,代表了156亿年的基因多样性.
- 爬行动物的主要威胁与其他四足动物相似,森林息物种比干旱息物种更受威胁.
- 鸟类,哺乳动物和两动物是爬行动物的有效保护替代品,尽管受到威胁的爬行动物范围较少.
结论:
- 爬行动物面临着严重的灭绝危机,
- 现有的四足动物保护策略可以使许多爬行动物物种受益.
- 对于鱼和海等高度危的爬行动物来说, 有针对性的保护工作至关重要,
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