β Scribed by R. T. Buckney; Dr. P. A. Tyler
No coin nor oath required. For personal study only.
A few of Tasmania's several thousand lakes and rivers have been sampled in a preliminary survey of water chemistry. They range in concentration from extremely dilute glacial lakes (TDS < 10 ppm) to hypersaline lagoons (TDS > 85%), the majority being dilute (TDS < 50 ppm). The 3 mechanisms controlling water chemistry proposed by GIBBS (1970) are seen to operate and the 3 terminal water types showing precipitationβdominance, rockβdominance and solubilityβlimited composition are found, together with a range of intermediates. The majority of waters have seawater ionic composition or moderate geochemical modification of this.
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## Abstract The magnitude of ecological damage caused by elevated phosphorus concentrations (__C__~P~) in Dutch inland waters is expressed as the fraction of disappeared macroinvertebrate genera. We used field observations of species occurrence from 1980 to 2005 that were stored in the Limnodata Ne