The Niaosong Wetland is Taiwan's first educational park to use the theme of an artificial wetland, and is primarily dedicated to education on nature and the ecology, followed by tourism and leisure.
Wetlands purify and filter harmful waste from water, helping to absorb harmful fertilizers and pesticides, as well as heavy metals and toxins from industry.
Woods, lawn, lakes and wetlands were helpful for water conservation but now all turns into concrete surface and the water circulation into natural has been cut off.
Louisiana's 3 million acres of wetlands are lost at the rate about 75 square kilometers annually, but reducing these losses is proving to be difficult and costly.
But these wetlands are being threatened by changing agricultural practices which have turned from traditional small scale farming(a practice that has been around for at least six centuries) to environmentally-intensive agriculture.
He also stressed the importance of the relationship between humans and wetlands, declaring that“many wetlands would not exist without human intervention”.
The wetlands are currently protected by federal law and development is limited to what is permitted by the U.S. Army Corps of Engineers and/or the Federal Wildlife and Fisheries Department.
With the advent of World War II, a vast stretch of the marshy area southwest of the Alameda Mole was filled and the Naval Air Station Alameda established.
Wetlands serve as a source of drinking water and provide protection against floods and storms, yet they have been decimated to make space for housing, factories and farms or damaged by unsustainable water use and pollution.
The marshes near the Danube and Tisza rivers were cleared, roads and canals were built at great expense of labour, German artisans and other settlers were attracted to colonize the district, and agriculture and trade encouraged.
The wetlands consists of filter layers with vegetation of common reed(Phragmites, sp), and wastewater is purified through a two-step process: first physical absorption filtration by filter layers, then biological decomposition by rhizosphere microorganisms takes place.
The importance of rice paddies as wetlands began to attract serious attention. As of December, 2008, there were 1,828 Ramsar sites worldwide, but the"Kabukuri-numa and the surrounding rice paddies" Ramsar site is the only one that officially includes rice paddies.
The wetlands are beautiful year-round but most dramatic in the late dry season(September to November) when tens of thousands of honking magpie geese dig for water chestnuts.10. Learn about Kakadu at its visitor centresWander through the Bowali Visitor Centre in Jabiru to learn about the flora and fauna, habitats and geology of Kakadu through interactive displays, videos and an extensive library.
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