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  • dams
  • rather, they are an ancient technique dating all the way back to the second century A.D. Check dams are typically, though not always, implemented as a system of several check dams situated at regular intervals across the area of interest. (wikipedia.org)
  • Although some sedimentation may result behind the dam, check dams do not primarily function as sediment trapping devices. (wikipedia.org)
  • Check dams could be designed to create small reservoirs, without possibility of silting. (wikipedia.org)
  • Check dams have traditionally been implemented in two main environments: across channel bottoms and on hilly slopes. (wikipedia.org)
  • Check dams are used primarily to control water velocity, conserve soil, and improve land. (wikipedia.org)
  • As such, check dams serve as temporary grade-control mechanisms along waterways until resolute stabilization is established or along permanent swales that need protection prior to installation of a non-erodible lining. (wikipedia.org)
  • Many check dams tend to form stream pools. (wikipedia.org)
  • Coarse and medium-grained sediment from runoff tends to be deposited behind check dams, while finer grains flow through. (wikipedia.org)
  • Extra nutrients, phosphorus, nitrogen, heavy metals, and floating garbage are also trapped by check dams, increasing their effectiveness as water quality control measures. (wikipedia.org)
  • In arid areas, check dams are often built to increase groundwater recharge in a process called managed aquifer recharge. (wikipedia.org)
  • This is particularly useful for small settlements located far from a large urban center as check dams require less reliance on machinery, funding, or advanced understandings as compared to large-scale dam implementation. (wikipedia.org)
  • As a strategy to stabilize mountain streams, the construction of check dams has a long tradition in many mountainous regions dating back to the 19th century in Europe. (wikipedia.org)
  • therefore, check dams have been implemented in place of large-scale dams. (wikipedia.org)
  • Because the typical high slope causes the flow velocity to move faster, a terraced system of multiple closely spaced check dams is typically necessary to reduce velocity and thereby counteract erosion. (wikipedia.org)
  • Such consolidation check dams, built in terraces, attempt to prevent both headward and downward cutting into channel beds while also stabilizing adjacent hill slopes. (wikipedia.org)
  • Check dams are often used in natural or constructed channels or swales. (wikipedia.org)
  • Check dams are made of a variety of materials. (wikipedia.org)
  • page
  • Note: Each species from the list at Tropicos.org was also checked against its corresponding entry at theplantlist.org for accepted status before being included on this page. (wikipedia.org)
  • harvest
  • Patterns of Marine Harvest Effort in Southwestern New Georgia, Solomon Islands: Resource Management or Optimal foraging? (springer.com)
  • In a move sure to be popular with hunters, gun deer season will continuously run from Nov. 19, 2016, through Feb. 10, 2017, statewide - provided that the Game Check harvest reporting system makes it through the legislative review process. (outdooralabama.com)
  • areas
  • The Rouge River begins in the Oak Ridges Moraine in Richmond Hill and flows past: Markham, northwest, central, to south, including a couple of conservation areas, the eastern edge of Scarborough and Rouge Valley Park. (wikipedia.org)
  • There are also seven natural areas in the creek's watershed, some of which contain rare species of plants and animals. (wikipedia.org)
  • energy
  • The dam had been scheduled to be rebuilt by 2017 in a deal with Consol Energy that allowed the company to refrain from admitting fault for the original damage, continue mining under the park, and begin drilling for natural gas under the park in the future. (wikipedia.org)
  • Water
  • A check dam is a small, sometimes temporary, dam constructed across a swale, drainage ditch, or waterway to counteract erosion by reducing water flow velocity. (wikipedia.org)
  • A check dam placed in the ditch, swale, or channel interrupts the flow of water and flattens the gradient of the channel, thereby reducing the velocity. (wikipedia.org)
  • built
  • On May 27, 1933, Civilian Conservation Corps (CCC) Camp S-136-Pa was established at Cherry Springs and built many of the park facilities. (wikipedia.org)
  • In 1933 a picnic area was built along Little Pine Creek by the Civilian Conservation Corps at what is now the park (but was then CCC Camp S-129). (wikipedia.org)
  • contain
  • Medicinal use of the pine needles also takes place, which also contain a natural insecticide, as well as a source for a dye. (wikipedia.org)
  • funding due
  • Accordingly, they are commonly used in degrading temporary channels, in which permanent stabilization is impractical and infeasible in terms of resource allocation and funding due to the short life period. (wikipedia.org)
  • petroleum
  • Unlike the United States, which has a number of different major oil producing regions, the vast majority of Canada's petroleum resources are concentrated in the enormous Western Canadian Sedimentary Basin (WCSB), one of the largest petroleum-containing formations in the world. (wikipedia.org)
  • As a result, Canada built its major manufacturing centres near its historic hydroelectric power sources in Ontario and Quebec, rather than its petroleum resources in Alberta and Saskatchewan. (wikipedia.org)
  • Center
  • In September 2015, plaintiffs Western Watersheds, National Press Photographers Association (NPPA), Natural Resources Defense Council Inc. (NRDC), People for the Ethical Treatment of Animals Inc. (PETA), and the Center for Food Safety challenged the state of Wyoming for its data trespassing laws passed in the 2015 session. (wikipedia.org)
  • Programs
  • Program TypeShort Term Explorations, UA Faculty-led Term(s)Winter Minimum GPA2.5 Earn up to six units of direct UA credit in Journalism while completing an internship, and practicing your writing, reporting and photography scientific institutions, while participating in ongoing conservation research, including monitoring programs and ecological research. (nouveauxetudiants.fr)
  • The museum maintains its status as a premier natural history museum through the size and quality of its educational and scientific programs, as well as due to its extensive scientific specimen and artifact collections. (wikipedia.org)
  • environmental
  • These functions were taken over by bureaus within the Branch of Environmental Conservation. (wikipedia.org)
  • The Skeptical Environmentalist: Measuring the Real State of the World (Danish: Verdens sande tilstand, literal translation: The True State of the World) is a book by Danish environmentalist author Bjørn Lomborg, controversial for its claims that overpopulation, declining energy resources, deforestation, species loss, water shortages, certain aspects of global warming, and an assortment of other global environmental issues are unsupported by statistical analysis of the relevant data. (wikipedia.org)
  • state
  • State Republican Marti Halverson said: "When a person trespasses to collect resource data, that person is not only trespassing - he is stealing data that is the property of the landowner. (wikipedia.org)
  • history
  • Her student is misplaced loved in the natural heterodoxy Written River: A Journal of EcoPoetics and in a history series Compared Rebearth: rights with a World Ensouled. (keepergoals.com)