Title: Biogeochemical Buffers in Coastal Lagoons: Scaling up from Chemical Reactions to Ecosystem Functions and Properties
Authors: VIAROLI P.BARTOLI M.GIORDANI G.AUSTONI M.ZALDIVAR COMENGES JOSE'
Citation: Proceedings of the International workshop on the promotion and use of benthic tools to assess the health of coastal marine ecosystems p. 1-45
Publisher: UNESCO, Intergovernmental Oceanography Commission (IOC)
Publication Year: 2005
JRC Publication N°: JRC32306
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC32306
Type: Contributions to Conferences
Abstract: Anthropogenic disturbances and natural factors often cause unpredictable non-linear responses in coastal lagoons. Important changes include the shift from seagrass to ephemeral seaweed communities, especially in sheltered habitats. Here, biogeochemical reactions are related to primary production and decomposition processes and depend upon bioturbation by benthic fauna. Scaling up, the network of these components and reactions can be regarded as an ecosystem property which accounts for oxygen availability and for potential buffering functions - e.g. phosphate retention within the sediment, immobilisation of sulphides into the insoluble iron mono-sulphide and release of molecular nitrogen to the atmosphere
JRC Institute:Institute for Environment and Sustainability

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