Seagrass-Watch Magazine Issue 47 - March 2013 | Page 14

The levels of turbidity
& sedimentation,
and how long
and often these
levels can be
tolerated,
is site- and
species-specific ...

PE

Turbid dredge plume reaching a seagrass meadow in Singapore.

D

REDGING is often required to deepen and maintain
navigation channels and harbour entrances or for
commercial extraction of sand or aggregate to meet an
ever-increasing demand for construction and
reclamation. However, dredging and disposal of