(Kimmerikong 2005),
commissioned by the regional Catchment
Management Authority, recommended that to
improve effectiveness, estuaries should be managed
by a “whole-of-estuary” approach, rather than by
managing portions based on local council-area
boundaries. In early 2006, a
proposal to create and
fund a regional “Lower Hawkesbury Estuary
Management Plan” (LHEMP) was put forward by
the Hornsby Shire
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