Kernera antarctica (Labill.) [citation needed], 1859 illustration from Linnean Society of London - Transactions of the Linnean Society of London v22, Kew World Checklist of Selected Plant Families, https://en.wikipedia.org/w/index.php?title=Amphibolis&oldid=915179616, Articles with unsourced statements from June 2012, Creative Commons Attribution-ShareAlike License, This page was last edited on 11 September 2019, at 17:57. [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. ex Asch. the seagrass Amphibolis on adjacent sand areas. 2012). sinuosa,aswellasHeterozostera tasmanica in more sheltered areas (Bryars et al. Seagrasses, Amphibolis antarctica (Labill) Fig. Additional keywords: Amphibolis antarctica, A. griffithii, recruitment facilitation, restoration. ), to reef covered with macroalgae (Ecklonia radiata, Sargassum spp., and Macrocystis pyrifera), all in water <10 m deep. It has shorter leaves than the other Amphibolis species, A. griffithii. 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. Cymodocea zosterifolia (C.Agardh) F.Muell. Pondalowie / Dolphin Bay calcarenite patch reefs interspersed with Amphibolis antarctica is frequently an early coloniser in denuded areas in Posidonia australis meadows (Cambridge 1975, p. 157). Endl. Thalassia antarctica (Labill.) Amphibolis bicornis C.Agardh A. Amphibolis antarctica, B. Caulerpa cactoides, C. Rhodolith bed, D. Reef with macroalgae, E. Invertebrate The seagrass habitat in South Australia is estimated to be over 9,620 km2 (Edyvane 1999). P. angustifolia , Amphibolis griffithii , and A. antarctica . Since 1977 it is widely accepted as belonging to Amphibolis. Amphibolis antarctica. The habitats surrounding the two sites selected for this study differed. Here, we use the iconic seagrass meadows of Shark Bay, Western Australia – a relatively pristine subtropical embayment whose dominant, canopy-forming seagrass, Amphibolis antarctica, is a temperate species growing near its low-latitude range limit – as a model system to investigate the impacts of extreme temperatures on ecosystems supported by thermally sensitive foundation species … Sea urchins (Amblypneustes pallidus) can over-graze seagrass (Amphibolis antarctica) to create sparse meadows in South Australia, but this effect is not observed in adjacent Posidonia sinuosa meadows despite greater densities of inhabiting urchins. However FloraBase reports an isolated specimen record from east of Port Hedland, over 500 kilometres north-east of Exmouth Gulf. Posidonia antarctica (Labill.) Reproductive and recruitment ecology of the seagrass . [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. Recruitment of A. antarctica seedlings within and adjacent to existing seagrass meadows may also contribute to genetic diversity in this system. Rupr. Seagrass biomass and nutritional traits (nitrogen, C:N, phenolics) were also measured. Seagrass meadows act as habitat for some of the most diverse and abundant animal life, and as the global loss of seagrass continues, managers have sought to restore lost meadows. It can also grow in extremely shallow waters, with its leaves floating on the surface, although this often results in leaf damage and loss. J.M.Black Amphibolis antarctica (Labill.) The effects of water parameters on monthly seagrass percentage cover in Lawas, East Malaysia. DETERMINING THE SPECIFICITY OF FISH-HABITAT RELATIONSHIPS IN WESTERN PORT 3 List of Figures Figure 1. The main habitat features of the reefs are the tops, the reef face, caves and ledges. [5][6], First published as Ruppia antarctica by Jacques Labillardière in 1807, it has since been moved into numerous genera. High water motion exports algal and seagrass detritus inshore. Phucagrostis antarctica (Labill.) This publication may be cited as: Irving, A.D. (2009). [5], It occur primarily in the sublittoral zone, where it forms extensive meadows. ( Watson , 7.i.1971; ADU, A38428 and 9.i.1971; ADU, A38434) exhibit some characters intermediate between these two species. The interweaving roots and leaves consolidate the substrate of the ocean floor, protecting it from erosion by currents and wave action. Assessment on the seagrass cover in Cabucan Island Hadji Panglima Tahil, Sulu Philippines. 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 . Schematic diagram showing main habitat features in Here, we use the iconic seagrass meadows of Shark Bay, Western Australia – a rela- tively pristine subtropical embayment whose dominant, canopy-forming seagrass, Amphibolis antarctica,isa temperate species growing near its low-latitude range limit – as a model system to investigate the impacts of extreme temperatures on ecosystems supported by thermally sensitive foundation species in a … [8] However FloraBase reports an isolated specimen record from east of Port Hedland, over 500 kilometres north-east of Exmouth Gulf. The southern part of Browns Beach contains granite reef at the shore, with brown canopy species such as Ecklonia, C. siliquosa, and C. moniliformis in the shallows (e.g. 1). Amphibolis zosterifolia C.Agardh Description. Spreng. We then quantified leaf production and consumption rates in the field at nine meadows of the seagrass Amphibolis antarctica across 1,700 km, from tropical to temperate latitudes. 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. losa, Amphibolis antarctica, Posidonia australis, Halodule uninervis andCymodocea angustata. There is little local build-up . 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 . It grows in areas of both high and low water flow, and occurs in areas of very high salinity. 1. The findings offer insight into how some vital ecosystems may change in a warming climate. The Australian Journal of Botany is an international journal publishing original research encompassing all plant groups including fossil plants. Experiments were done at approximately 8 m depth and within known areas of seagrass loss at Grange (34 32 S, 138 17 E) and Brighton (35 1 S, 138 18 E). 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. Nowicki was a Ph.D. student during the 2011 heatwave studying under biological sciences professor Mike Heithaus, now dean of the FIU College of Arts, Sciences & Education.For more than two decades, Heithaus has led the most detailed study of the ecological role of sharks in Shark Bay collecting … Its flowers are green, and appear from September to February. 14 15 Also associated with the ecological community is a diverse assemblage of benthic flora, in the 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, … 2008). Amphibolis antarctica is a species of flowering plant in the family Cymodoceaceae. Habitats recorded by underwater survey in Western Port (Blake et al. Amphibolis antarctica seagrass A 0–2 2 Sand–silt–clay 2 Subtidal rocky reef R 2–5 3 Sand–clay 3 Intertidal rocky reef IR 5–10 4 Fine sand 4 Pyura stolonifera P 10–15 5 Coarse sand 5 Bare intertidal sediment BI 15–20 6 Rocky reef 6 Bare subtidal sediment BS 20–30 7 Medium sand 7 The species tolerates a range of habitats. 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. Schult. Amphibolis is a genus in the family Cymodoceaceae. Figure 6. It was finally placed in Amphibolis by Paul Friedrich August Ascherson in 1868, but in 1913 J. M. Black renamed it Pectinella antarctica. SEAGRASS dominated by Posidonia sp. Site one was characterised by a larger sand patch than site two (radius of 30.9 ± 3.39 m), and was surrounded almost entirely by monospecific meadows of Amphibolis antarctica (97.3%). [8], Species of plant in the family Cymodoceaceae, CS1 maint: multiple names: authors list (, Rippey, Elizabeth and Rowland, Barbara (2004), 10.2305/IUCN.UK.2010-3.RLTS.T173356A6998310.en, https://en.wikipedia.org/w/index.php?title=Amphibolis_antarctica&oldid=984429846, Taxa named by Paul Friedrich August Ascherson, Short description is different from Wikidata, Taxonbars with automatically added basionyms, Creative Commons Attribution-ShareAlike License, This page was last edited on 20 October 2020, at 01:58. It has shorter leaves than the other Amphibolis species, A. griffithii. Amphibolis antarctica, commonly known as wire weed or sea nymph, is a seagrass found in coastal waters of southern and western Australia. Further studies and larger scale rehabilitation attempts will examine a broader range of Amphibolis habitats. It is a herbaceous perennial up to 80 centimetres high. Ruppia antarctica Labill. The Australasian Virtual Herbarium (AVH) is an online resource that provides immediate access to the wealth of plant specimen information held by Australian herbaria. Linear regression of the abundance of juvenile A. antarctica found in samples (0.25 × 0.25 m quadrats) against adult shoot density, biomass, and height. Introduction. Pectinella antarctica (Labill.) 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. 11 with the ecological community include: Amphibolis antarctica, A. griffithii, Cymodocea 12 angustata, Halophila uninervis, H. ovalis, Heterozostera tasmanica and Syringodium 13 isoetifolium. The habitat of the sites ranged from soft bottom covered with seagrass (Amphibolis antarctica and Heterozostera sp. Photos of representative habitat types used for acoustic habitat mapping. Graumuellera antarctica (Labill.) F.Muell. Sand accumulates onshore in summer and is moved offshore by winter storms . It can occur as deep as 27 metres, but does not often form meadows below 13 metres. Unless otherwise stated, bags were always AVH is a collaborative project of the state, Commonwealth and territory herbaria, developed under the auspices of the Council of Heads of Australasian Herbaria (CHAH), representing the major Australian collections. Amphibolis is a genus in the family Cymodoceaceae. typical Amphibolis habitat subject to significant orbital wave energy. Australian Marine Ecology has studied a large number of seagrass habitat types and places, including Zostera muelleri, Zostera nigricaulis, Amphibolis antarctica and Posidonia australis. Cymodocea antarctica (Labill.) R.Br. B.D.Jacks. to 2m), and the seagrass Amphibolis antarctica on sand. It is a herbaceous perennial up to 80 centimetres high. The flat tops of the patch reefs are generally 1 to 2 m below the surface of the water except during low spring tides. We have been at the forefront of work in Victoria to determine light climates required to sustain seagrass beds, modelling biomass and patch dynamics and using growth reconstruction of internode lengths to examine … Habitat fragmentation through degradation or natural losses often results in the development of habitat edges or margins. Habitat Temperate and tropical waters meet in Shark Bay creating conditions suitable for species from each climate. It has been found growing on a variety of substrates, including sand-covered rock, gravel, sand and clay. The thin veneer of sand is constantly scoured by wave action . A. antarctica sampled in quadrats (0.25 × 0.25 m). was found to the west of the port entrance, but Amphibolis griffithii and Amphibolis antarctica dominate elsewhere with SEAGRASS at various locations. 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 South Australian Department for Environment and Heritage, Coast and Marine Branch (CMB) provided SARDI with financial support for this project. Posidonia sinuosa, Amphibolis antarctica, Amphibolis griffithii, Heterozostera tasmanica, Halophila australis and Zostera muelleri (Larkum & den Hartog 1989). primarily comprising Amphibolis antarctica, Posidonia angus-tifolia,andP. Its flowers are green, and appear from September to February. Figure 5. In2009,weconducted 30 trials (n¼10 per habitat), with all species used in 2009 except for Halophila spinulosa, which was not present in adequate abundances for collection in 2009. These meadows, and their consequent detritus, become an important source of food and shelter for a number of marine species. Acknowledgements. A type of seagrass, the plants of this genus forms meadows on calcareous sands. Caulinia antarctica (Labill.) Ahmad-Kamil EI, Ramli R, Jaaman SA, Bali J and Al-Obaidi JR. 2013. rock lobsters are found (Fig. 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. & Schult.f. 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. 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 .