Resilience in Environmental Risk and Impact Assessment: Concepts and Measurement.

Resilience in Environmental Risk and Impact Assessment: Concepts and Measurement.
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DOI:
10.1007/s00128-018-2467-5
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发表时间:
2018-11
影响因子:
2.7
通讯作者:
Bundschuh M
Bundschuh M
中科院分区:
环境科学与生态学4区
文献类型:
--
作者:
Angeler DG;Allen CR;Garmestani A;Pope KL;Twidwell D;Bundschuh M

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不同的复原力概念对系统动态有不同的假设,这对基于复原力的环境风险和影响评估有影响。工程复原力(恢复)在风险评估文献中占主导地位,但这一定义并没有考虑到生态系统存在于多种制度中的可能性。在本文中,我们讨论了弹性的概念和量化方法。具体来说,我们讨论了当一个系统无法显示工程弹性干扰后,表示转移到一个潜在的不希望的政权。我们展示了量化方法,可以评估这个新制度的稳定性,以告知管理人员将系统转换为更理想的制度的可能性。我们指出的有用性的自适应推理,建模和管理方法,是基于迭代检验的假设。这一过程有助于了解风险和影响,并减少风险和影响带来的不确定性。
Different resilience concepts have different assumptions about system dynamics, which has implications for resilience-based environmental risk and impact assessment. Engineering resilience (recovery) dominates in the risk assessment literature but this definition does not account for the possibility of ecosystems to exist in multiple regimes. In this paper we discuss resilience concepts and quantification methods. Specifically, we discuss when a system fails to show engineering resilience after disturbances, indicating a shift to a potentially undesired regime. We show quantification methods that can assess the stability of this new regime to inform managers about possibilities to transform the system to a more desired regime. We point out the usefulness of an adaptive inference, modelling and management approach that is based on reiterative testing of hypothesis. This process facilitates learning about, and reduces uncertainty arising from risk and impact.
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