Unknown
Springer
In:
EPIC3Global Ecology and Oceanography of Harmful Algal Blooms, Global Ecology and Oceanography of Harmful Algal Blooms, Springer, 16 p., pp. 187-203, ISBN: 978-3-319-7006
Publication Date:
2018-06-23
Description:
Coastal systems partially surrounded by land such as coastal embayments, estuaries and fjords have characteristics that affect the development of harmful algal blooms. Among these, shallow water depths and geophysical constraints from surrounding land masses favour stronger links between the water column and bottom sediments. Typical circulation patterns (e.g., in estuaries) can limit the exchange with offshore waters and favour cell retention. Sub-mesoscale and high-frequency processes are particularly important physical factors that influence pattern and persistence of HABs in coastal systems. Coupling with benthic nutrient fluxes or seed banks from the bottom is enhanced as the degree of physical robustness of coastal systems decreases. The links between bottom cyst distribution patterns and intensity or extension of HABs are still not fully understood. The importance of intra-specific diversity has been highlighted for many HAB species but tools are needed to assist in situ identification of these various life cycle stages. Alternative metabolic strategies, such as mixotrophy or reliance on organic nutrients and allelochemically mediated species interactions, can play a critical role in the development of HA blooms particularly in semi-confined coastal environments. Future work should address the influence of climate change and of coastal aquaculture on blooms of these harmful species in coastal environments.
Repository Name:
EPIC Alfred Wegener Institut
Type:
Inbook
,
peerRev
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