Illawarra Wetlands Project (IWG) A.R.M. Young, J.K. Marthick, C.J. Chafer and T.P. Allen and; ; Biodiversity of Wetlands in the Illawarra Catchments: an inventory (BWIC); Compiled by Chris J. Chafer; ISBN 0 7313 0032 7; ; The initial IWP mapped and classified wetlands in the Illawarra based on 1993 aerial photographs and a geomorpological classification.; ; The BWIC program checked and updated the spatial data and report including:; * checking the aerial extent of wetlands;; * reclassifying the attributing to the Ramsar Standard ;; * recording wetland loss between 1993 and 1996; and; * documenting the diversity of biota.