In the late 1990's there was significant anecdotal evidence of
seagrass loss from within Nepean Bay, particularly in Western
Cove. In 1999 the EPA commenced this ambient water quality monitoring
program and also commissioned aerial and satellite photography
of the seagrass.
Water Quality is assessed within Nepean Bay at five sites throughout
the embayment. These sites are:
Western Cove
Kingscote
Point Morrison
Western Bay of Shoals
Offshore waters
>> Map of Nepean Bay
(366KB PDF)
The overwhelming evidence suggests that Nepean Bay and particularly
Western Cove is eutrophic (an excess of nutrients) and seagrass
is being lost from the area. The majority of the evidence suggests
that nutrients and sediments from the Cygnet River catchment are
responsible for this seagrass loss.
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