来自碎片化森林的临灭绝的灵长类中的季节性:行为观察是否有助于对生态毒理风险进行评估?
Ran Huang1, Haili Chen1, Qiuyan Guo1
1Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin 541006, China; Chongzuo White-Headed Langur Field Observation and Research Station of Guangxi, Chongzuo 532204, China; Guangxi Key Laboratory of Rare and Endangered Animal Ecology, Guangxi Normal University, Guilin 541006, China.
Journal of hazardous materials
|October 24, 2025
概括
来自农业区的污染增加了白头的 (Hg) 暴露. 它们的食行为,特别是在干旱季节,增加了这种风险,威胁到这个危物种.
科学领域:
- 生态毒理学 生态毒理学
- 行为生态学 行为生态学
- 保护生物学 保护生物学
背景情况:
- 生态风险评估往往忽视动物行为,可能低估了对具有灵活行为的物种的威胁.
- 污染,特别是 (Hg),对野生动物构成重大风险,特别是分散息地的危物种.
研究的目的:
- 评估 (Hg) 暴露和极度危的白头 (Trachypithecus leucocephalus) 的生态风险.
- 调查食行为对该物种Hg摄入量的影响.
- 强调需要将行为生态学纳入保护风险评估中的必要性.
主要方法:
- 利用全年,个人层面的行为数据来追踪食模式.
- 收集和分析了食物植物和鱼便样本中的度.
- 季节和息地类型之间的比较水平和食行为.
主要成果:
- 白头花了~90%的食时间在农业地区附近,高Hg.
- 植物中的Hg度经常超过食品安全标准;66%的度超过了中国的值.
- 干旱季节的食转换增加了Hg暴露的风险,植物和便中的Hg水平更高.
结论:
- 白头长种群面临来自Hg暴露的显著生态风险,受适应性食的影响.
- 哺乳期的雌性在干旱季特别容易受到伤害.
- 将行为生态学纳入生态毒理学评估对于有效保护这一物种至关重要.
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