Journal article
Exploring the marine biotic index (AMBI): variations on a theme by Ángel Borja
Marine Pollution Bulletin, Vol.60(4), pp.554-559
2010
Abstract
The results of manipulating the input data to AMBI are explored using various transformations of numerical species abundance (NAMBI), biomass (BAMBI) and production (PAMBI) from a variety of stations on the NE Atlantic shelf at which the pollution/disturbance status is known. There is a close agreement between the proportions of species in the five AMBI ecological groups and a phylum level meta-analysis axis of increasing environmental impact. All AMBI measures provide a better monotonic relationship with the impact axis than do traditional species diversity measures, which show higher diversity at intermediate levels of disturbance. A marginally better relationship with the impact axis of the meta-analysis is achieved by a moderate (square root) transformation of the data. 'Production' data (an appropriate combination of abundance and biomass information) provide only a marginal improvement on abundance data, but are ecologically and functionally much more relevant. Severe transformation of the data, culminating in presence/absence, degrades the relationship with the impact axis, but if only simple species lists are available then these may still be useable in making an environmental assessment.
Details
- Title
- Exploring the marine biotic index (AMBI): variations on a theme by Ángel Borja
- Authors/Creators
- R.M. Warwick (Author/Creator) - Plymouth Marine LaboratoryK.R. Clarke (Author/Creator) - Plymouth Marine LaboratoryP.J. Somerfield (Author/Creator) - Plymouth Marine Laboratory
- Publication Details
- Marine Pollution Bulletin, Vol.60(4), pp.554-559
- Publisher
- Elsevier BV
- Identifiers
- 991005543119807891
- Copyright
- © 2009 Elsevier Ltd.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.2 Marine Biology
- 3.2.605 Benthic Biodiversity
- Web Of Science research areas
- Environmental Sciences
- Marine & Freshwater Biology
- ESI research areas
- Environment/Ecology