Abstract:
:Experiments have been undertaken exposing larval common shrimp (Crangon crangon) and lobster (Homarus gammarus) and adult copepods (Acartia tonsa) to the key stresses of entrainment within power-station cooling-water systems. The apparatus has enabled the testing of mechanical, thermal, chlorine and realistic pressure effects both alone and in combination, the range of stressors spanning the standard conditions found within a temperate coastal direct-cooled power station. Mechanical stresses affected only lobster larvae, pressure changes affected only the Acartia adults. Residual chlorine caused significant mortality of Acartia and shrimp larvae, but had no effect on lobster larvae even at 1 ppm. The temperature increment significantly affected all three species, with a synergistic effect on chlorine sensitivity in the shrimp larvae, but only temperatures higher than would be experienced in a normally-operating power station affected the copepods. The majority of individuals of each species would survive passage through a power-station system under normal conditions. It is notable that, within the species tested, generalizations from the responses of one species to those of another are not valid.
journal_name
Mar Environ Resjournal_title
Marine environmental researchauthors
Bamber RN,Seaby RMdoi
10.1016/j.marenvres.2003.08.002keywords:
subject
Has Abstractpub_date
2004-05-01 00:00:00pages
281-94issue
4eissn
0141-1136issn
1879-0291pii
S0141-1136(03)00096-5journal_volume
57pub_type
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