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对辅助殖民的生态风险效益分析.

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概括
此摘要是机器生成的。

辅助殖民 (AC),即将物种迁移到新的地区,可以防止灭绝,但存在风险. 本研究提出了一个两步框架,以评估AC对生物多样性保护的风险和好处.

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协助移民协助移民保护转移转移的位置.混乱的系统理论理论.整体生态系统模型灭绝的风险 灭绝的风险管理的搬迁管理的搬迁小说社区 小说社区种类的共存 种类的共存结构稳定性的方法.基于特征的锦标赛模型

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科学领域:

  • 保护生物学 保护生物学
  • 生态生态学 生态生态学
  • 生物多样性管理的管理

背景情况:

  • 辅助殖民 (AC) 是一种保护策略,通过将物种转移到其原生范围之外,以防止物种灭绝.
  • 由于潜在的负面生态影响,包括对本地物种和新型相互作用的风险,反映了入侵物种的担忧,AC存在争议.
  • 现有的AC指南缺乏针对生物多样性的具体案例风险效益分析.

研究的目的:

  • 制定一个全面的决策框架,对辅助殖民 (AC) 项目进行决策.
  • 区分低风险,高收益的交流场景和高风险,低收益的场景.
  • 建立一个定量方法来评估AC对居民物种和全球生物多样性的影响.

主要方法:

  • 提出了一种双方向的方法: 1) 对于明确的AC案例的定性标准,和 2) 对于复杂的案例的定量分析.
  • 开发了七个定性标准,以识别具有最小风险和最大收益的AC项目,或者反之亦然.
  • 概述了基于社区生态理论的定量系统的路线图,以估计灭绝概率.

主要成果:

  • 定性标准可以识别明显合适或不合适的AC项目,简化决策.
  • 拟议的框架允许进行定量风险评估,估计由于AC导致本地物种灭绝的概率.
  • 决策框架只建议采取行动,如果与不采取行动相比,它会增加全球现存物种的数量.

结论:

  • 需要一个结构化的,两步的方法 (定性和定量),以进行有助于殖民的风险评估.
  • 建议进一步开发和对拟议框架进行大规模测试.
  • 广泛的商对于采用AC风险评估的国际准则至关重要,以确保生物多样性保护.