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A Biomonitoring of Particles

Author(s): Joe Wilson*

Using bio monitors, which provide time integrated measurements of the parts of the total ambient metal load that are directly relevant to ecotoxicology, it is possible to identify regional and/or temporal variations in the bioavailability of heavy metals in the marine environment. Heavy metal bio monitors must meet a number of specifications, not the least of which is that they must be metal accumulators. Recognition of the presence and relative magnitude of various metal sources is made possible by the use of a variety of bio monitors.

To enable intra-specific comparisons of bio availabilities between geographical locations, it is necessary to find extensive global bio monitors. The alga Ulva Lactuca, the mussels of the genera Mytilus and Perna, the oysters Ostrea and Crassostrea, the barnacles Balanus amphitrite and Tetraclita squamosa, and the talitrid amphipod Platorchestia platensis are examples of such global bio monitors. The requirement for accurate, precisetaxonomic identification continues to be a significant caution in the deployment of such global bio monitors.

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