The scores for waterbird habitat condition in Zone G improved with increasing flow volume in the range assessed. The 350 GL scenario scores (0.34) showed a small improvement relative to the 'Reference' scenario score (0.23). The scores increased to 0.36 for the 750 GL scenarios and to 0.38-0.39 for 1500 GL scenarios.

More information:

Zone G Regional Evaluation Group Report [PDF 1.6 MB]
Report to the Scientific Reference Panel for Zone G: Lock 3 (Overland Corner) to Wellington