Dr Bryony Caswell B.A.Caswell@hull.ac.uk
Senior Lecturer
Increasingly environmental management seeks to limit the impacts of human activities on ecosystems relative to some ‘reference’ condition, which is often the presumed pre-impacted state, however such information is limited. We explore how marine ecosystems in deep time (Late Jurassic) are characterised by AZTI's Marine Biotic Index (AMBI), and how the indices responded to natural perturbations. AMBI is widely used to detect the impacts of human disturbance and to establish management targets, and this study is the first application of these indices to a fossil fauna. Our results show AMBI detected changes in past seafloor communities (well-preserved fossil deposits) that underwent regional deoxygenation in a manner analogous to those experiencing two decades of organic pollution. These findings highlight the potential for palaeoecological data to contribute to reconstructions of pre-human marine ecosystems, and hence provide information to policy makers and regulators with greater temporal context on the nature of ‘pristine’ marine ecosystems.
Caswell, B. A., Frid, C. L., & Borja, A. (2019). An ecological status indicator for all time: Are AMBI and M-AMBI effective indicators of change in deep time?. Marine pollution bulletin, 140, 472-484. https://doi.org/10.1016/j.marpolbul.2019.01.068
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 31, 2019 |
Online Publication Date | Feb 10, 2019 |
Publication Date | 2019-03 |
Deposit Date | Feb 14, 2019 |
Publicly Available Date | Feb 14, 2019 |
Journal | Marine Pollution Bulletin |
Print ISSN | 0025-326X |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 140 |
Pages | 472-484 |
DOI | https://doi.org/10.1016/j.marpolbul.2019.01.068 |
Keywords | Baseline; Palaeoecology; Deoxygenation; AMBI; Environmental monitoring; Reference conditions |
Public URL | https://hull-repository.worktribe.com/output/1294508 |
Publisher URL | https://www.sciencedirect.com/science/article/pii/S0025326X19300888?via%3Dihub |
Additional Information | This article is maintained by: Elsevier; Article Title: An ecological status indicator for all time: Are AMBI and M-AMBI effective indicators of change in deep time?; Journal Title: Marine Pollution Bulletin; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.marpolbul.2019.01.068; Content Type: article; Copyright: © 2019 Elsevier Ltd. All rights reserved. |
Contract Date | Feb 14, 2019 |
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© 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
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