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| Creation of sea area environments
and nature restoration |
 |
| In addition to using the dredged
soil resulting from port and harbor maintenance to actively conserve, reproduce
and create rich natural environments such as tidal flats and beaches in
coastal areas, in collaboration and cooperation with various entities such
as NPO and local citizens associations the bureau collects floatage, oil
and other materials produced by equipment such as bottom sediment improvement
and environmental improvement boats as a result of mud dredging and cover
sand works carried out for water environment improvements in closed sea
areas and other locations. |
| Restoration and creation of tidal
flats, beaches, seaweed beds, etc. |
| The bureau restores and creates
tidal flats, beaches, seaweed beds and other marine features, in order to
create excellent environments in port and harbor areas that will contribute
to biodiversity. |
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| (Port of Onomichi-Itozaki) |
|
| Covering the mud on the sea floor
with good quality soil prevents elution of organisms and the improves water
quality and bottom sediment. |
| Environmental improvement boat |
| The bureau works to create excellent
water environments by collecting floatage, oil and other materials. |
| The bureau
also carries out activities such as sludge dredging and construction and
maintenance of aeration facilities. In addition, the bureau promotes works
such as backfilling of deeply excavated trenches, which are the source of
phenomena such as Aoshio, or blue tides. |
|
