University Of Tasmania
151871 - Environmental impact of kelp Saccharina latissima aquaculture.pdf (2.82 MB)
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Environmental impact of kelp (Saccharina latissima) aquaculture

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journal contribution
posted on 2023-05-24, 04:24 authored by Wouter VischWouter Visch, Kononets, M, Hall, POJ, Nylund, GM, Pavia, H
The aim of the study was to assess the effect of seaweed cultivation on the coastal environment. We analysed a multitude of environmental parameters using an asymmetrical before after control impact (BACI) design, comparing the seaweed farm (impact) with multiple unaffected locations (controls). The seaweed farm had a significant positive effect on benthic infauna (p < 0.05) and was found to attract 17 mobile faunal and 7 other seaweed species, indicating that the farmed crop may provide habitat to mobile faunal species. A light attenuation of approximately 40% at 5 m depth was noted at the peak of the seaweed biomass just before harvest. No changes were observed in benthic oxygen flux, dissolved nutrient concentrations, and benthic mobile fauna between farm and control sites. These results show that seaweed aquaculture has limited environmental effects, especially compared to other forms of aquaculture such as fish and bivalve farming.


Publication title

Marine Pollution Bulletin



Article number









Institute for Marine and Antarctic Studies


Pergamon-Elsevier Science Ltd

Place of publication

The Boulevard, Langford Lane, Kidlington, Oxford, England, Ox5 1Gb

Rights statement

© 2020 The Authors. Published by Elsevier Ltd. This is an open access article under the Creative Commons Attribution 4.0 International (CC BY 4.0) licence (

Repository Status

  • Open

Socio-economic Objectives

Fisheries - aquaculture not elsewhere classified; Expanding knowledge in the agricultural, food and veterinary sciences