Phytoplankton dynamics and bio-optical variables associated with Harmful Algal Blooms in aquaculture zones


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Allan.Cembella [ at ] awi.de

Abstract

The surveillance of Harmful Algal Blooms (HABs) in aquaculture zones is a crucial component in monitoring and mitigation of adverse effects caused by accumulation of high biomass of algal cells and/or associated toxins. Integrated findings of this thesis strongly stress the significance of synoptic bio-optical and conventional measures for efficient surveillance of HABs and their environmental triggers over required spatio-temporal scales, here shown for a case study in the Ebro Delta, NW Mediterranean. In particular, the installation of an environmental observatory in the Ebro Delta aquaculture area, and the capability of a radiometric sensor system as key component are highly motivated by study results. Yet it was clearly shown that for the interpretation of bio-optical data, detailed knowledge on bloom characteristics is crucial. By such effective coverage of bloom dynamics, combined with insights on environmental scenarios that promote the proliferation of certain taxa, public and private responses can be optimised. In a future scenario, this knowledge can be transferred to predictive models of HABs. In this sense, these future steps may advance towards preventive measures rather than mitigation actions to deal with this environmental hazard.



Item Type
Thesis (PhD)
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Not peer-reviewed
Publication Status
Published
Eprint ID
48812
Cite as
Busch, J. A. (2014): Phytoplankton dynamics and bio-optical variables associated with Harmful Algal Blooms in aquaculture zones PhD thesis, Bremen University.


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