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A mixture of fresh water and salt water is called brackish water. A wetland containing brackish water is called a brackish marsh.

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Because they help prevent Flooding

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It is difficult to give a straight answer.

Despite being the driest continent on earth after Antarctica, Australia has 520 wetlands which are recognised by state authorities as being "important".

Coastal and marine wetlands, which make up 161 of these recognised wetlands, make up 42% of the coastal strip. The coastal strip is roughly defined as a 3 km strip extending from marine waters inland. This coastal strip also includes very large areas of mangroves and tidal flats, mostly in northern Australia. The percentage of the coastal zone defined as wetlands varies from 64% in Northern Territory to 14% in Tasmania.

There are also numerous wetlands areas inland, but many of these have dried up as a result of European settlement interrupting normal water flows. There are no readily available figures suggesting Australia's percentage of actual wetlands.

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Wetlands can refer to both freshwater and saltwater areas. Wetlands are simply an area of land where the soil is saturated with water, either fresh or salt. For example, freshwater marshes exist inland, whereas salt marshes generally occur along the coast.

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yes

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We can regulate the river flow by building man-made lakes,dams and increase the storage capacity of lakes.We can restrict the overflow of river water by building dykes along the river.Also we can plant trees to prevent silting,have a better monitoring and relief polices,speed up the river flow by dredging and straightening rivers in order to prevent flooding.

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A wetland is an area of land that is wet for all or part of the year (e.g. swamps, marsh). A wetland contains some level of water, fed by creeks, streams, or even underground springs. The water is not deep enough to be a pond, but rarely, if ever, drying out to the squelchy level of a bog. They are important habitats for birds, frogs, turtles and are often protected by law. Plants of the wetlands include cattails, sedges, bushes (of many types), and grasses.

Because wetlands require a period of inundation (flooded soil) at least part of the year, they are often characterized by reductive soil chemistry. The soil is full of water, with little or no oxygen, therefore redox rather than oxidizing reactions are common.

Wetlands slow erosion, help recharge groundwater, and help prevent flooding.

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Sweet Mind Glowing Awesomeness?

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A wetland is an area that is regularly soaked or inundated with surface or ground water.

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it would die :*(

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Tall grass is a marsh and if there are trees it is a swamp.

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yes. i had to do a report on it lol.

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you would have a hard time breathing, and also being constantly afraid of a deadly flood because wetlands help prevent flooding.

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they have a suply of rich nutrient because wetlands are covered with a shallow layer of water.

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The way I understand it, wetlands have a lot of trees. Trees and other plants absorb carbon dioxode (what humans breath out) and emit oxygen (what humans breath). This is why people have fewer allergies and are generally healthier whe they have large leafed house plants in their homes. There are 2 parts to this question. The plants in the wetlands use the nutrients and thus sequester them. Wetlands, as are most environments, are full of bacteria. Many of these bacteria perform specific functions; some fix nitrogen (nutrients), while others perform functions such as breaking down heavy metals (toxic wastes). Studies at the Colorado School of Mines have shown that constructed wetlands can remove heavy metals from streams ("acid mine drainage"), a big problem in the Rocky Mountains.

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Pond

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Marsh

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Webbed feet <3

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it will ruin the habitat for the animals , thus leaving the water , thus letting no more water come in , thus making sure that when it rains the water wont get to the grass .(sorry i used so many thus.:>)

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The Atchafalaya Causeway goes over the Atchafalaya Basin between Baton Rouge and Lafayette, Louisiana. The Pontcharttrain Causeway goes over Lake Pontchartrain between Metaire and Mandeville, Louisiana.

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what causes wet lands is the moisture in the ait around the area, sucks back down into the ground.