Written Paper Section II Question 18 from the 2001 HSC Examination
Summary: (a) Use the sources to identify two human activities that may place the Avon–Heathcote Estuary at risk. (b) Identify a management strategy currently used in this estuary and evaluate its likely success in terms of the ecological sustainability of this ecosystem. (c) State two important questions that a geographer could ask to determine the
validity and reliability of the information in the ‘Selected Bird Numbers’ source.