The overall intent of restoration is often not only to restore the habitat per se, but to restore the ecosystem services it supplies, and particularly to encourage the return of fauna. Acknowledgements. [7], The species is generally reported as occurring from Exmouth Gulf on the north-west coast of Western Australia, south along the west coast and east along the south coast as far as Wilsons Promontory in Victoria. It grows in areas of both high and low water flow, and occurs in areas of very high salinity. The species tolerates a range of habitats. However FloraBase reports an isolated specimen record from east of Port Hedland, over 500 kilometres north-east of Exmouth Gulf. The thin veneer of sand is constantly scoured by wave action . A type of seagrass, the plants of this genus forms meadows on calcareous sands. Posidonia antarctica (Labill.) Figure 6. Sea Nymph Linnaea 35:164-165 (1867) Conservation Code: Not threatened Naturalised Status: Native to Western Australia Name Status: Current Brief Description Grazyna Paczkowska, Tuesday 12 July 1994. The flat tops of the patch reefs are generally 1 to 2 m below the surface of the water except during low spring tides. Kernera antarctica (Labill.) Photos of representative habitat types used for acoustic habitat mapping. Amphibolis is a genus in the family Cymodoceaceae. Amphibolis antarctica. Cymodocea zosterifolia (C.Agardh) F.Muell. Rupr. the seagrass Amphibolis on adjacent sand areas. Schematic diagram showing main habitat features in In places nine species can be found in one square metre, although the most abundant is Wireweed (Amphibolis antarctica), which covers nearly 3,700 km2 . R.Br. Ahmad-Kamil EI, Ramli R, Jaaman SA, Bali J and Al-Obaidi JR. 2013. The species is generally reported as occurring from Exmouth Gulf on the north-west coast of Western Australia, south along the west coast and east along the south coast as far as Wilsons Promontory in Victoria. Recruitment of A. antarctica seedlings within and adjacent to existing seagrass meadows may also contribute to genetic diversity in this system. ex Asch. Seagrass meadows of the genera Posidonia (P. australis and P. sinuosa) and Amphibolis (A. antarctica and A. grifficiae) are composed of large and long-living species with high above- and below-ground biomass (averaging 500 and 1,000 g DW m –2, respectively), whereas H. ovalis is a small and fast-growing species which forms relatively low biomass meadows (76 g DW m –2; Duarte and Chiscano, … Cymodocea antarctica (Labill.) to 2m), and the seagrass Amphibolis antarctica on sand. A. antarctica sampled in quadrats (0.25 × 0.25 m). J.M.Black Endl. The Australian Journal of Botany is an international journal publishing original research encompassing all plant groups including fossil plants. It has shorter leaves than the other Amphibolis species, A. griffithii. DETERMINING THE SPECIFICITY OF FISH-HABITAT RELATIONSHIPS IN WESTERN PORT 3 List of Figures Figure 1. Introduction. [5], It occur primarily in the sublittoral zone, where it forms extensive meadows. ), to reef covered with macroalgae (Ecklonia radiata, Sargassum spp., and Macrocystis pyrifera), all in water <10 m deep. Amphibolis bicornis C.Agardh Spreng. The habitat of the sites ranged from soft bottom covered with seagrass (Amphibolis antarctica and Heterozostera sp. It includes two species of sea grass endemic to the western and southern coast of Australia, Amphibolis antarctica and Amphibolis griffithii, commonly known as sea nymph or wire weed. Amphibolis antarctica, commonly known as wire weed or sea nymph, is a seagrass found in coastal waters of southern and western Australia. The seeds produce an anchoring comb of bristles while they mature on the female plant, giving the seedling a purchase when it arrives at a new site. Asch. Seagrasses, Amphibolis antarctica (Labill) Fig. Schult. The habitats surrounding the two sites selected for this study differed. It is a herbaceous perennial up to 80 centimetres high. It includes two species of sea grass endemic to the western and southern coast of Australia, Amphibolis antarctica and Amphibolis griffithii, commonly known as sea nymph or wire weed . F.Muell. was found to the west of the port entrance, but Amphibolis griffithii and Amphibolis antarctica dominate elsewhere with SEAGRASS at various locations. It was named Caulinia antarctica by Robert Brown in 1810, Posidonia antarctica by C. P. J. Sprengel in 1824, Cymodocea antarctica by C. S. Kunth in 1841, and Phucagrostis antarctica by F. J. Ruprecht in 1852. The interweaving roots and leaves consolidate the substrate of the ocean floor, protecting it from erosion by currents and wave action. rock lobsters are found (Fig. The least grazed species (Amphibolis antarctica and Posidonia australis, Fig 4) are the most abundant species in Shark Bay, typically forming large, dense and monospecific canopies . Amphibolis antarctica is frequently an early coloniser in denuded areas in Posidonia australis meadows (Cambridge 1975, p. 157). Thalassia antarctica (Labill.) B.D.Jacks. Unless otherwise stated, bags were always Description. Australian Marine Ecology has studied a large number of seagrass habitat types and places, including Zostera muelleri, Zostera nigricaulis, Amphibolis antarctica and Posidonia australis. The seagrass habitat in South Australia is estimated to be over 9,620 km2 (Edyvane 1999). P. angustifolia , Amphibolis griffithii , and A. antarctica . Ruppia antarctica Labill. Since 1977 it is widely accepted as belonging to Amphibolis. The South Australian Department for Environment and Heritage, Coast and Marine Branch (CMB) provided SARDI with financial support for this project. Phucagrostis antarctica (Labill.) Pectinella antarctica (Labill.) 11 with the ecological community include: Amphibolis antarctica, A. griffithii, Cymodocea 12 angustata, Halophila uninervis, H. ovalis, Heterozostera tasmanica and Syringodium 13 isoetifolium. sinuosa,aswellasHeterozostera tasmanica in more sheltered areas (Bryars et al. Taxonomic notes: Intergrades between A. antarctica and A. griffithii are rare but some deep water (20 and 23 m) specimens from Investigator Strait, S. Aust. Caulinia antarctica (Labill.) [2][3] It is referred to by the common names wire weed[4] or sea nymph,[5] and is a seagrass found in coastal waters of southern and western Australia. 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