Browsing NIVA-rapporter by Subject "hardness"
Now showing items 1-2 of 2
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Effect of water hardness on the toxicity of cadmium to the alga Pseudokirchneriella subcapitata
(NIVA-rapport;5422, Research report, 2007)The growth inhibiting effect of cadmium on the green alga Pseudokirchneriella subcapitata has been investigated in an artificial medium and three natural soft lake waters. The hardness of the media was manipulated by ... -
Effect of zinc on the early life stages of brown trout (Salmo trutta) at different levels of water hardness
(NIVA-rapport;4678, Research report, 2003)The effect of water hardness on the chronic toxicity of zinc to early life stages of brown trout has been studied. Separate tests were carried out in four dilutin waters. Two of these were natural lake waters from Lake ...