This study was completed by M P Papworth, R Hartland and A Lucas of the former Land Protection Division, Department of Conservation and Environment. It established to determine the effects on stream sediment levels of logging alpine ash (Eucalyptus delegatensis).
Continuous record of flow and discrete samples of suspended solids were collected from May 1978 until December 1987.
Data was analysed both monthly and as daily events to ensure validity of the findings.
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