Authors: Hickey, CW Golding, LA Martin, ML Croker, GF

Citation: Cw. Hickey et al., Chronic toxicity of ammonia to New Zealand freshwater invertebrates: A mesocosm study, ARCH ENV C, 37(3), 1999, pp. 338-351

Authors: Wilcock, RJ Champion, PD Nagels, JW Croker, GF

Citation: Rj. Wilcock et al., The influence of aquatic macrophytes on the hydraulic and physico-chemicalproperties of a New Zealand lowland stream, HYDROBIOL, 416, 1999, pp. 203-214

Authors: Collier, KJ Champion, PD Croker, GF

Citation: Kj. Collier et al., Patch- and reach-scale dynamics of a macrophyte-invertebrate system in a New Zealand lowland stream, HYDROBIOL, 392(2), 1999, pp. 89-97