APPENDICES Appendix 1. Hydrological modelling parameters. Rainfall from the nearest weather station was considered to be representative of each stream network as there was little spatial variation in rainfall at that scale. Appendix 1 References Harding J, Mosley P, Pearson C, Sorrell B (2004) Freshwaters of New Zealand. New Zealand Hydrological Society Inc. and New Zealand Limnological Society Inc. Hicks DM, Mason PD (1991) Roughness Characteristics of New Zealand Rivers. Water Resources Survey, DSIR Marine and Freshwater. Mays LW (2005) Water Resources Engineering. John Wiley & Sons, Inc. Hoboken, NJ. Appendix 2. Hydrographs for the furthest downstream sampling reach of each stream network. Appendix 3. Species list and dispersal traits.