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  • May

    Looking upstream to its source in the central mountains, the Río Puerto Nuevo basin drains 24 square miles of metropolitan San Juan, 75 percent of which is highly developed with a population of 250,000. The plan of improvements includes channels, high velocity channels, debris basins and modifications to bridges, in an effort to protect the population against a 100-year flood.

    An overview of projects and missions in the Antilles

    Puerto Rico, at its widest point, is 110 miles long from east to west and only 40 miles wide from north to south. The main mountain range, La Cordillera Central and the smaller cordilleras that run east-west through the center of the island are sparsely populated, but take up half of the available land. Most of the population lives in the narrow coastal band around the cordilleras. In the mountainous region above the city of Ponce in the south, slopes average 45 degrees and Cerro de Punta, the highest point of the island, at 4,393 feet, is only 14 miles from the coast.

  • April

    Dave Smith, research ecologist from the U.S. Army Corps of Engineers' Engineer Research and Development Center in Vicksburg, Miss., surgically implants an acoustic tag into a 1-year-old steelhead trout March 25, 2013, at the Coleman National Fish Hatchery in Anderson, Calif. Smith is using the fish-tag data obtained for use in a computer model that helps evaluate habitat restoration work under the Sacramento River Bank Protection Project, a joint flood risk reduction effort between the district and the state's California Central Valley Flood Protection Board to repair river bank erosion along the Sacramento River and its tributaries.

    Fish behavior guides riverbank repairs

    Reducing flood risk in an environmentally mindful way brought ecologists to the Coleman National Fish Hatchery in Anderson, Calif., March 25-27 2013, to surgically implant electronic tracking devices into hundreds of live fish to study their behavior in the Sacramento River system.

  • March

    Default USACE DUI for News Release

    Corps of Engineers partners with community as it expands environmental sampling beyond Hanover lab site

    HANOVER, NH – The U.S. Army Environmental Command and the U.S. Army Corps of Engineers are working
  • Socorro, N.M., -- Ryan Gronewold, Albuquerque District's Rio Grande coordinator, measures the water level in the Rio Grande with a calibrated survey rod. Amanda Green, a Department of the Army Intern in the District, records the data.

    Going Green: The Silvery Minnow, Drought and the Rio Grande

    As signs of spring begin to show in the bosque, environmentalists, biologists and others continue their efforts to understand river flow issues along the Middle Rio Grande. Of particular interest are endangered species in relation to water use and jurisdiction. Within the past three years, the drought has proven to be a constant challenge to create and maintain a balanced environment for the silvery minnow to continue to spawn. Due to the drought, the environment needed for natural spawning is not present.
  • Everglades Day at the Arthur R. Marshall Loxahatchee National Wildlife Refuge brings many families and children like Sara Green to the Corps booth, where they spin the “Wayne Drop” wheel and learn about the Everglades and water safety.

    Reaching out in South Florida

    Reaching out to the communities we serve, to engage them by providing information as well as seeking their input on our projects and processes, is a basic tenet of the U.S. Army Corps of Engineers, Jacksonville District. From formal meetings about the Central Everglades Planning Project to participating in community-based events, the Jacksonville District team is continuously engaged in a multitude of public interactions in south Florida.
  • After inspecting the channel at Cowbone Marsh, Regulatory Division issued a cease and desist order, requiring the Florida Fish and Wildlife Commission to stop sidecasting dredged material into the channel.

    Cowbone Marsh to be protected through Regulatory Division action

    Located within central Glades County, Fla., eight miles upstream of the mouth of Fisheating Creek at the western shore of Lake Okeechobee, lies Cowbone Marsh, an approximately 5,500-acre freshwater marsh system. Fisheating Creek, the only remaining free-flowing waterway feeding into the lake, flows through Cowbone Marsh. Most of the surrounding land is either publicly owned or under conservation easements that restrict development, making it one of the most valuable aquatic and wildlife resource areas in the country.

  • February

    Jessica Spencer (left) of the Invasive Species Management Branch describes two new plants that have recently invaded Jacksonville, Fla. –Old World climbing fern and Saltcedar – at the 2013 Timucuan Science and History Symposium Jan. 25.

    Spencer discusses invasive plants at local science symposium

    In an effort to educate land managers and the public about two plants that are just beginning to invade the Jacksonville area, biologist Jessica Spencer gave a presentation at the 2013 Timucuan Science and History Symposium Jan. 25 in Jacksonville, Fla.
  • Willow poles planted along the Sacramento River levee near Paintersville, Calif., Feb. 11, 2013 will provide shaded riparian habitat for threatened fish species. The U.S. Army Corps of Engineers Sacramento District project aims to preserve riparian habitat following emergency levee erosion repairs between 2007 and 2009. The Sacramento District worked with the U.S. Fish and Wildlife Service and National Marine Fisheries Service to design the project for habitat benefit, and is the first Corps district to receive a variance under the Corps’ levee vegetation policy to plant willows near the levee after engineering analysis showed they won’t threaten the levee.

    Willow poles along Sacramento River help fish, won’t harm levees

    A U.S. Army Corps of Engineers Sacramento District project to plant willow poles along 30,000 feet of levees in the Sacramento and San Joaquin river systems is under way, designed to preserve habitat for threatened fish.
  • PHOENIX - Members of the U.S. Army Corps of Engineers Environmental Advisory Board and other USACE team members visit the flow-regulating wetlands at the Tres Rios Environmental Restoration Project Feb. 14. The EAB, hosted by the LA District's Arizona/Nevada Area Office team, visited Phoenix for two days to see environmentally-related projects throughout the valley in order to gain information to help them as they brief USACE leadership.

    LA District hosts USACE Environmental Advisory Board

    PHOENIX, Ariz. – The U.S. Army Corps of Engineers Los Angeles District’s Arizona-Nevada Area Office
  • (Left to right) San Fernando Valley Audubon Society President Dave Weeshof, Los Angeles District Commander Col. Mark Toy and SFVAS Conservation Chair Kris Ohlenkamp lead a group of Corps employees and local environmentalists on a nature walk Feb. 12 at the Sepulveda Dam Basin vegetation management area. (USACE photo by Jay Field)

    Corps to resume Sepulveda vegetation management operations

    During a nearly three-hour nature walk in the Sepulveda Dam Basin Feb. 12, Los Angeles District Commander Col. Mark Toy told representatives of local environmental groups that his operations and maintenance crews would soon resume the vegetation management work that began in December 2012.

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