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SEDIMENT MANAGEMENT
A 400-acre island built from Tampa Harbor dredging became a nesting refuge for birds decades laterIn the late 1970s, engineers expanded Tampa Bay by developing an island from dredged materials. This man-made island has since become a cru...- California used more than 2.5 million cubic yards of dredged material to rebuild Sonoma Baylands; The project restored 322 acres of tidal wetland habitatThe Sonoma Baylands initiative has harnessed dredged materials to rejuvenate California's tidal wetland habitats. Each year, excessive sedi...
- In 2004, Virginia turned dredged fossil shells into 85 acres of oyster reef in one river; later monitoring counted 76.2 million live oysters on the restored reefsIn 2004, an 85-acre reef network was built in the Great Wicomico River using dredged fossil oyster shells. Monitoring revealed that this re...
- In 2014, Texas dumped 126,000 cubic yards of mud dug from a ship channel onto a shrinking island; the unusual move rebuilt about 5 acres for nesting birdsSundown Island in Texas has encountered harsh shoreline erosion that has greatly impacted local bird populations. To counter this, a recent...
- California’s beaches are disappearing — San Clemente could need 300,000 truckloads of sand as El Niño threatens an already eroding coastSan Clemente is experiencing significant coastal erosion that is diminishing beach space and threatening infrastructure. The city estimates...
- In 2014, New Jersey reused 7,000 cubic yards of dredged sand at Ring Island; the new nesting ground was later used by 4 threatened or at-risk shorebird speciesNew Jersey has implemented an innovative project to support nesting birds facing habitat loss due to rising sea levels. Sand dredged from w...
- Perdue Farms invested $300,000 in Chesapeake Conservation in 2023. The project reached 40 farmers and cut Nitrogen, Phosphorus and sediment pollutionA three-year project is helping poultry farmers in Pennsylvania, Maryland and Delaware protect the Chesapeake Bay from farm runoff. Forty f...
- From 2002, Louisiana dumped up to 1.8 million cubic yards of dredged mud near Horseshoe Bend, and the river turned it into a 35-hectare islandSince 2002, dredgers on the Lower Atchafalaya River in Louisiana have adopted a groundbreaking sediment placement technique. This has resul...
- In 2015, New Jersey pumped 30,000 cubic yards of dredged mud into a breach splitting Mordecai Island; the project rejoined the island and rebuilt nesting habitatMordecai Island in New Jersey has faced significant erosion, losing half of its land over the past century. To combat this, engineers intro...
- A Utah parking lot exposed 150-million-year-old dinosaur fossils. Bones and surrounding rock weighing 3,000 pounds were removed.3,000 pounds of fossils and rock were removed from a Utah parking lot construction site. Paleontologists assessed the excavated remains, an...
- A satellite map revealed a mysterious giant circle that was hiding in Canada for 390 million years. One amateur astronomer finally noticed itResearchers have identified the Uhackatik impact crater in Quebec, which is about 25 kilometers wide. The crater was discovered by amateur ...
- 31,800 years ago, a squirrel buried fruits inside a Siberian burrow. Thousands of years later, an Ice Age plant was brought back to life using that ancient tissueA squirrel’s ancient food stash buried deep beneath Siberian permafrost has given scientists a rare glimpse into the Ice Age. The fruits re...
- Divers crushed millions of purple urchins with hammers; What happened next surprised researchers as California’s lost Kelp forests are showing signs of recoveryCalifornia's kelp forests are witnessing a remarkable comeback due to dedicated restoration efforts. Divers have been diligently smashing m...
- Louisiana collected 200 tons of discarded oyster shells from 19 restaurants and built a 400-foot reef; it now shields Pointe-au-Chien tribal land from erosionLouisiana's coastline is rapidly disappearing, prompting a unique restoration effort. The Pointe-au-Chien tribe is using recycled oyster sh...
- Between 1997 and 2005, officials removed 282 buildings from California’s Giant Forest; the project gave 231 acres back to giant sequoiasGiant Forest sequoia grove underwent extensive restoration efforts. Commercial activity and 282 buildings were removed from the grove. Ecol...
- In 1995, John D. Liu filmed 1 Loess Plateau project in China where slopes were terraced, vegetation restored and water managed. 25 years later, 35,000 sq km had recoveredChina's Loess Plateau, once severely eroded, underwent significant ecological recovery. Communities actively participated in restoration ef...
- In 2006, Hawai‘i listed Waipā Stream, after dense hau bush trapped sediment and blocked fish. Today, restoration cut average turbidity by 62% and restored native fish passageWaipā Stream restoration efforts significantly improved water quality and aquatic habitats. Invasive hau bush removal and feral pig control...
- Chicago installed tree tubs and permeable pavement at Navy Pier; it helps capture stormwater while reducing annual pollution by 3 lb of phosphorus, 47 lb of nitrogen and 2 tons of sedimentChicago's Navy Pier showcases an impressive green infrastructure designed for efficient stormwater management. Featuring seventy-seven tree...
- In 1996, Idaho listed Fish Creek for sediment after erosion damaged aquatic habitat. 22 years later, restoration helped it earn the maximum 3.0 score for cold-water lifeFish Creek in Idaho was listed as impaired for sedimentation in 1996. Collaborative efforts by various stakeholders improved road surfaces ...
- In 2002, Kansas listed the North Cottonwood River for copper pollution. 12 years later, farm conservation helped lower copper from 14.1 to 3.5 µg/L and restore the riverNorth Cottonwood River restoration: Kansas listed the North Cottonwood River as impaired by copper pollution in 2002. Agricultural runoff w...
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