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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.
The ecological community is "the assemblage of plants, animals and micro-organisms associated with seagrass meadows dominated by Posidonia australis occurring in the warm temperate Manning Shelf and Hawkesbury Shelf bioregions on the east coast of Australia."
Posidonia is a genus of flowering plants. It contains nine species of marine plants [ 3 ] (" seagrass "), found in the seas of the Mediterranean and around the south coast of Australia . The APG system (1998) and APG II system (2003) accept this genus as constituting the sole genus in the family Posidoniaceae , which it places in the order ...
Fucus serratus, "toothed wrack" Pelvetia canaliculata, "channelled wrack" Accumulation of detrital seagrass wrack (Posidonia australis) at West Beach, South Australia Wrack washed ashore in Brunswick, Georgia by Hurricane Matthew. Wrack is part of the common names of several species of seaweed in the family Fucaceae.
Few species were originally considered to feed directly on seagrass leaves (partly because of their low nutritional content), but scientific reviews and improved working methods have shown that seagrass herbivory is an important link in the food chain, feeding hundreds of species, including green turtles, dugongs, manatees, fish, geese, swans ...
The western coast contain notable and diverse seagrass beds; Cockburn Sound and the Swan River estuary, and the Houtman Abrolhos, Rottnest and other islands. The Wooramel Seagrass Bank 12 species - estimated 4,500 km 2 of seabed - at Shark Bay is the largest reported seagrass meadows in the world (Walker, 1989).
Posidonia australis, a species of seagrass found in the ocean off southern Australia Stuckenia pectinata ( Potamogeton pectinatus ), a freshwater plant See also
Posidonia coriacea is a species of seagrass that occurs in the southern waters of Australia. Description. A species of Posidonia. A perennial rhizomatous herb that ...