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These seagrass meadows are highly productive habitats that provide many ecosystem services, including protecting the coast from storms and big waves, stabilising sediment, providing safe habitats for other species and encouraging biodiversity, enhancing water quality, and sequestering carbon and nutrients. [12] [3]
Found on seabeds from Alaska to Australia, seagrass meadows are one of the most widespread coastal habitats on Earth. ... “It’s important to think about restoration as an ongoing process; it ...
These features allow the plants to stabilise the substrate, anchor themselves against currents, and change the environment. A colony may have one or several species of seagrass, and a large number of other species living within it. The area covered by seagrass in Western Australian waters is equivalent to Australia's rainforest. [2]
Shark Bay has the largest known area of seagrass, with seagrass meadows covering over 4,000 square kilometres (1,500 sq mi) of the bay. [1] It includes the 1,030-square-kilometre (400 sq mi) Wooramel Seagrass Bank , the largest seagrass bank in the world [ 1 ] and contains a 200-square-kilometre (77 sq mi) Posidonia australis meadow formed by a ...
The meadows of the community occur as both monospecific meadows (of P. australis) or as multispecies meadows (with, for example, P. australis together with Zostera muelleri subsp. capricorni, Halophila ovalis). The macrophyte, Ruppia, may also be found growing within the ecological community (Creese et al., 2009).
This seagrass is sensitive to light deprivation and a lowering of salinity in its environment. In a major flooding event in Queensland, half the seagrasses were lost in a shallow study area in Moreton Bay, the Syringodium isoetifolium disappearing almost completely while Zostera muelleri and other seagrass species survived, relatively unaffected. [4]
Wooramel Seagrass Bank is a large deposit of carbonate sediment, a sand bank, formed by diverse communities of seagrasses off the coast of Carnarvon, Western Australia. The mattes of seagrass meadows and stands consolidate a shallow platform of sandy substrate by acting as an organic baffle against currents and tides.
Posidonia australis, also known as fibre-ball weed or ribbon weed, is a species of seagrass that occurs in the southern waters of Australia. It forms large meadows important to environmental conservation. Balls of decomposing detritus from the foliage are found along nearby shore-lines.