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Mallard II moving mud, with its bucket outstretched. Mallard II is a wooden-hulled clamshell dredger [2] used to maintain levees on the San Francisco Bay Salt Ponds. [3] [4] Mallard II was constructed in 1936, [5]: 45 and is "probably the oldest operating dredge in California"; [6]: 51 she is owned and operated by Cargill Salt.
As a side benefit, it can be used to reduce the amount of salt in underground water tables, leading to an improvement in the surrounding land usage for agriculture. Due to its nature, it is only commercially possible in areas that have large reserves of saline groundwater, such as Australia .
The South Bay Salt Works, a Californian saltern, with salt ponds.. A saltern is an area or installation for making salt.Salterns include modern salt-making works (saltworks), as well as hypersaline waters that usually contain high concentrations of halophilic microorganisms, primarily haloarchaea but also other halophiles including algae and bacteria.
Saltwater aquaponics (also known as marine aquaponics) is a combination of plant cultivation and fish rearing (also called aquaculture), systems with similarities to standard aquaponics, except that it uses saltwater instead of the more commonly used freshwater.
Evaporation ponds are artificial ponds with very large surface areas that are designed to efficiently evaporate water by sunlight and expose water to the ambient temperatures. [1] Evaporation ponds are inexpensive to design making them ideal for multiple purposes such as wastewater treatment processes, storage, and extraction of minerals .
A salt evaporation pond is a shallow artificial salt pan designed to extract salts from sea water or other brines. The salt pans are shallow and expansive, allowing sunlight to penetrate and reach the seawater. Natural salt pans are formed through geologic processes, where evaporating water leaves behind salt deposits.
The technical distinction between a pond and a lake has not been universally standardized. Limnologists and freshwater biologists have proposed formal definitions for pond, in part to include 'bodies of water where light penetrates to the bottom of the waterbody', 'bodies of water shallow enough for rooted water plants to grow throughout', and 'bodies of water which lack wave action on the ...
Mangroves are often found near or around salt ponds because of their ability to exist in an ecosystem with high salinity, low dissolved oxygen levels, brackish water, and extreme temperatures. Mangroves’ unique prop roots function as a barrier to the salt water, limiting water loss, and acting as a snorkel for oxygen and nutrients.