The Department of Environment and Conservation (DEC) was a department of the Government
of Western Australia that was responsible for implementing the state's conservation
and environment legislation and regulations. It was formed on 1 July 2006 by the amalgamation
of the Department of Environment (DoE) and the Department of Conservation and Land
Management (CALM). The DEC was separated on 30 June 2013 forming the Department of
Parks and Wildlife (DPaW) and the Department of Environment Regulation (DER) which
both commenced operations on 1 July 2013. (Courtesy of Wikipedia)