eCite Digital Repository

New approaches to simulating the complex interaction effects of multiple human impacts on the marine environment


Griffith, GP and Fulton, EA, New approaches to simulating the complex interaction effects of multiple human impacts on the marine environment, ICES Journal of Marine Science, 71, (4) pp. 764-774. ISSN 1054-3139 (2014) [Refereed Article]

Copyright Statement

Copyright 2014 Elsevier

DOI: doi:10.1093/icesjms/fst196


The interplay of anthropogenic effects presents significant challenges to modelling and managing marine resources. The increasing awareness of the complexity of the interaction of human impacts has led to a demand for end-to-end (E2E) models that attempt to include all major processes in a single framework. These whole-of-system models are potentially very useful as numerical laboratories to explore the potential spectrum of responses from the interplay of anthropogenic effects. However, despite their limitations and early stage of development, the output of E2E models is under increasing social pressure to provide "simple" answers to highly complex problems. Here, we suggest some approaches that can be included in E2E models for considering the potential effects of complex interactions on community and ecosystem services. We show how assumptions and parameterizations made in existing E2E models can be altered to allow processes to shift with the dynamic response to both natural and human drivers. Alternative ways for interpreting complex model output, non-linearity, handling uncertainty, and how to include multispecies interaction effects within a framework of ecosystem-based management are suggested. We point out parts of the marine system that have been neglected in model development, but now should be included to understand interaction effects from multiple anthropogenic stressors. The E2E model framework also needs to be further expanded from an often-skewed focus on ecological systems to a more even-handed treatment of socio-ecological systems, including cultural aspects. Future progress in E2E models will require an interdisciplinary framework involving both qualitative and quantitative approaches, closer cooperation between empiricists and modellers, and the development of consistent terminology.

Item Details

Item Type:Refereed Article
Keywords:ecosystem-based management, end-to-end ecosystem models, human impacts, interactions, non-linear dynamics
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Marine and estuarine ecology (incl. marine ichthyology)
Objective Division:Environmental Management
Objective Group:Terrestrial systems and management
Objective Field:Assessment and management of terrestrial ecosystems
UTAS Author:Griffith, GP (Dr Gary Griffith)
UTAS Author:Fulton, EA (Dr Elizabeth Fulton)
ID Code:95659
Year Published:2014
Web of Science® Times Cited:18
Deposited By:IMAS Research and Education Centre
Deposited On:2014-10-07
Last Modified:2018-02-16

Repository Staff Only: item control page