Search results
Results From The WOW.Com Content Network
Grassed waterway in Velm, Belgium, during a sunny day. A grassed waterway is a 2-metre (6.6 ft) to 48-metre-wide (157 ft) native grassland strip of green belt.It is generally installed in the thalweg, the deepest continuous line along a valley or watercourse, of a cultivated dry valley in order to control erosion.
In the 1980s and 1990s, this marshland was drained by upstream dams and water control structures, down to 10% of the original area. [27] The marshland is located on the intercontinental flyway of migratory birds and is used by two-thirds of West Asia's water fowl. [27] The marsh is currently dominated by an invasive grass, Phragmites australis ...
White water lilies are a typical marsh plant in European areas of deeper water. Many kinds of birds nest in marshes; this one is a yellow-headed blackbird.. Marshes provide a habitat for many species of plants, animals, and insects that have adapted to living in flooded conditions or other environments. [1]
Grassed waterway through a field in Missouri. A grassed waterway reduces soil erosion and captures most nutrients and pesticides that would normally wash out of crop fields and into major waters. These waterways help to carry surface water at a non-erosive velocity to an area where it will have a stable outlet. [1]
This archetypal form of swale is a dug-out, sloped, often grassed or reeded "ditch" or "lull" in the landform. One option involves piling the soil onto a new bank on the still lower slope, in which case a bund or berm is formed, mitigating the natural (and often hardscape-increased ) risks to slopes below and to any linked watercourse from ...
The Rolling Fork River near Boston, Kentucky, is one of a couple of waterways expected to crest in the coming days, according to the National Water Prediction Service. The Kentucky River south of ...
At the time, the best cane for flutes came from the banks of river Kephissos, in Attica, Greece. Several kalamaulos tuned differently and tied together, made a syrinx or Panpipes . A. donax is still the principal source material of reed makers for clarinets , saxophones , oboes , bassoons , bagpipes , and other woodwind instruments. [ 1 ]
Total length of waterways per country in kilometers. This is a list of waterways, defined as navigable rivers, canals, estuaries, lakes, or firths.In practice, and depending on the language, the term "waterway" covers maritime or inland transport routes, as suggested by "way".