Furthermore, dredge spoil can literally smother reef or sea grass to death, while storms can repeatedly resuspend these particles so that the harm caused is ongoing; secondly, disturbed sea floor can release toxic substances into the surrounding environment.
42.
Most of the islands ( including several man-made islands built from dredge spoil ) and sandbars are off-limits to the public, due to their fragile ecology and their use as nesting sites by many species of birds.
43.
Lance Stewart, a University of Connecticut marine biologist who has studied the effects of dredge spoil disposal on lobsters for decades, believes the lobsters in Long Island Sound succumbed to a number of stresses, including pesticide spraying and rising water temperature.
44.
Continued exposure to dredging spoil has been shown to increase rates of diseases such as white syndrome, Barrow Islands showed that the number of coral colonies with signs of poor health more than doubled in transects with high exposure to dredging sediment plumes.
45.
In Vinalhaven, where 75 percent of the year-round residents depend on the lobster industry for their livelihood, it comes as no surprise that a furor over the disposal of dredge spoils spread in coastal areas and led to another meeting in late April.
46.
The owners claim that charts provided by the Coast Guard and the National Oceanic and Atmospheric Administration didn't warn that the anchorage was unsafe during winter and failed to indicate that dredge spoils from the mouth of Coos Bay had been deposited there, making the water shallower.
47.
Lessard also pointed out that federal rules required the Rockland site to be monitored every 10 years and that it had not been monitored since 1989 . She, and many others, said that they did not object to the Mack Point port project, only the proposed disposal of the dredge spoils.
48.
South Bay, once a languid curve of the Hudson that lapped up on the shores just below Mount Merino, was being filled in bit by bit in the 1800s : by railroad lines and foundries, by dredging spoils from the river and by other long-defunct industries of various sorts.
49.
The dredge spoil from the Abbot Point port project is to be dumped away, near Bowen in north Queensland, and the approval from the Authority will result in the production of an extra 70 million tonnes of coal annually, worth between A $ 1.4 billion and $ 2.8 billion.
50.
The proposal needs several layers of approval, including permits from the U . S . Army Corps of Engineers to fill in contaminated wetlands along the perimeter of the landfills, and to dredge a section of the Hackensack River and build a bulkhead to receive shipments of dredge spoils that would be used to cap the landfill.
