An exposure-effect approach for evaluating ecosystem-wide risks from human activities

A.M. Knights, G.J. Piet, R.H. Jongbloed, J.E. Tamis, L.A. Robinson

Research output: Contribution to journalArticleAcademicpeer-review

34 Citations (Scopus)

Abstract

Ecosystem-based management (EBM) is promoted as the solution for sustainable use. An ecosystem-wide assessment methodology is therefore required. In this paper, we present an approach to assess the risk to ecosystem components from human activities common to marine and coastal ecosystems. We build on: (i) a linkage framework that describes how human activities can impact the ecosystem through pressures, and (ii) a qualitative expert judgement assessment of impact chains describing the exposure and sensitivity of ecological components to those activities. Using case study examples applied at European regional sea scale, we evaluate the risk of an adverse ecological impact from current human activities to a suite of ecological components and, once impacted, the time required for recovery to pre-impact conditions should those activities subside. Grouping impact chains by sectors, pressure type, or ecological components enabled impact risks and recovery times to be identified, supporting resource managers in their efforts to prioritize threats for management, identify most at-risk components, and generate time frames for ecosystem recovery.
Original languageEnglish
Pages (from-to)1105-1115
JournalICES Journal of Marine Science
Volume72
Issue number3
DOIs
Publication statusPublished - 2015

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human activity
ecosystems
ecosystem
ecosystem management
expert opinion
ecological impact
marine ecosystem
managers
effect
exposure
case studies
methodology
resource

Keywords

  • baltic sea
  • fisheries management
  • environmental-change
  • coastal ecosystems
  • marine ecosystems
  • human impact
  • new-zealand
  • food webs
  • support
  • climate

Cite this

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title = "An exposure-effect approach for evaluating ecosystem-wide risks from human activities",
abstract = "Ecosystem-based management (EBM) is promoted as the solution for sustainable use. An ecosystem-wide assessment methodology is therefore required. In this paper, we present an approach to assess the risk to ecosystem components from human activities common to marine and coastal ecosystems. We build on: (i) a linkage framework that describes how human activities can impact the ecosystem through pressures, and (ii) a qualitative expert judgement assessment of impact chains describing the exposure and sensitivity of ecological components to those activities. Using case study examples applied at European regional sea scale, we evaluate the risk of an adverse ecological impact from current human activities to a suite of ecological components and, once impacted, the time required for recovery to pre-impact conditions should those activities subside. Grouping impact chains by sectors, pressure type, or ecological components enabled impact risks and recovery times to be identified, supporting resource managers in their efforts to prioritize threats for management, identify most at-risk components, and generate time frames for ecosystem recovery.",
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An exposure-effect approach for evaluating ecosystem-wide risks from human activities. / Knights, A.M.; Piet, G.J.; Jongbloed, R.H.; Tamis, J.E.; Robinson, L.A.

In: ICES Journal of Marine Science, Vol. 72, No. 3, 2015, p. 1105-1115.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - An exposure-effect approach for evaluating ecosystem-wide risks from human activities

AU - Knights, A.M.

AU - Piet, G.J.

AU - Jongbloed, R.H.

AU - Tamis, J.E.

AU - Robinson, L.A.

PY - 2015

Y1 - 2015

N2 - Ecosystem-based management (EBM) is promoted as the solution for sustainable use. An ecosystem-wide assessment methodology is therefore required. In this paper, we present an approach to assess the risk to ecosystem components from human activities common to marine and coastal ecosystems. We build on: (i) a linkage framework that describes how human activities can impact the ecosystem through pressures, and (ii) a qualitative expert judgement assessment of impact chains describing the exposure and sensitivity of ecological components to those activities. Using case study examples applied at European regional sea scale, we evaluate the risk of an adverse ecological impact from current human activities to a suite of ecological components and, once impacted, the time required for recovery to pre-impact conditions should those activities subside. Grouping impact chains by sectors, pressure type, or ecological components enabled impact risks and recovery times to be identified, supporting resource managers in their efforts to prioritize threats for management, identify most at-risk components, and generate time frames for ecosystem recovery.

AB - Ecosystem-based management (EBM) is promoted as the solution for sustainable use. An ecosystem-wide assessment methodology is therefore required. In this paper, we present an approach to assess the risk to ecosystem components from human activities common to marine and coastal ecosystems. We build on: (i) a linkage framework that describes how human activities can impact the ecosystem through pressures, and (ii) a qualitative expert judgement assessment of impact chains describing the exposure and sensitivity of ecological components to those activities. Using case study examples applied at European regional sea scale, we evaluate the risk of an adverse ecological impact from current human activities to a suite of ecological components and, once impacted, the time required for recovery to pre-impact conditions should those activities subside. Grouping impact chains by sectors, pressure type, or ecological components enabled impact risks and recovery times to be identified, supporting resource managers in their efforts to prioritize threats for management, identify most at-risk components, and generate time frames for ecosystem recovery.

KW - baltic sea

KW - fisheries management

KW - environmental-change

KW - coastal ecosystems

KW - marine ecosystems

KW - human impact

KW - new-zealand

KW - food webs

KW - support

KW - climate

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JO - ICES Journal of Marine Science

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