Halophila australis
Doty & B.C.Stone
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Halophila australis.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
LC · Préoccupation mineure→Stable- Évaluation
- 2010 · v3.1
- Altitude
- – m
- Profondeur
- 15 – 1 m
État de la populationTexte officiel évaluation IUCNExpert
There is no specific population information for H. australis, but the population trend is thought to be stable. This species is difficult to distinguish from H. ovalis except when flowering.
Menaces identifiées(7 menaces classées CMP-IUCN)
1_2Commercial & industrial areasOngoing2_4_3Scale Unknown/UnrecordedOngoing5_4_4Unintentional effects: (large scale) [harvest]Ongoing6_1Recreational activitiesOngoing6_3Work & other activitiesOngoing9_3_1Nutrient loadsOngoing9_3_2Soil erosion, sedimentationOngoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
Localized threats in the region are coastal development from industry, pipelines, and communication cables, mining and dredging, eutrophication, aquaculture, farming, direct physical damage by recreational and commercial boating activities, and to some extent trawling activities. Light reduction due to high sediment loads in water is also a threat to this species (Green and Short 2003).
Habitats préférentiels (classification IUCN)
9_4Marine Neritic - Subtidal Sandy9_5Marine Neritic - Subtidal Sandy-Mud9_9Marine Neritic - Seagrass (Submerged)
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
Halophila australis is protected by the Fisheries Act, National Park, and Marine Park Acts (Green and Short 2003).
Stress écologiques (14)Stresses Classification — IUCNExpert
1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation2_2Species disturbance2_2Species disturbance2_2Species disturbance2_2Species disturbance2_2Species disturbance2_2Species disturbance2_2Species disturbance
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Systèmes (terrestre/eau douce/marin)
Marine
Formes de croissance
Graminoid
Zones de pêche FAO
Indian Ocean - easternPacific - southwest
Références bibliographiques (5)Sources scientifiques de l'évaluation IUCNExpert
- IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.3). Available at: <a href="http://www.iucnredlist.org">http://www.iucnredlist.org</a>. (Accessed: 2 September 2010).
- Green, E.P. and Short, F.T. 2003. <i>World Atlas of Seagrasses</i>. University of California Press, Berkeley.
- Waycott, M., James, S.H. and Walker, D.I. 1997. Genetic variation within and between populations of <i>Posidonia australis</i>, a hydrophilous, clonal seagrass. <i>Heredity</i> 79: 408-417.
- Waycott, M. and Sampson, J.F. 1997. The mating system of a hydrophilous angiosperm <i>Posidonia australis</i> (Posidoniaceae). <i>American Journal of Botany</i> 84: 621-625.
- Waycott, M. 1995. Assessment of genetic variation and clonality in the seagrass <i>Posidonia australis</i> using RAPD and allozyme analysis. <i>Marine Ecology Progress Series</i> 116: 289-295.
Évaluateurs & contributeurs (2)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Short, F.T., Carruthers, T.J.R., Waycott, M., Kendrick, G.A., Fourqurean, J.W., Callabine, A., Kenworthy, W.J. & Dennison, W.C.
evaluator
Livingstone, S., Harwell, H. & Carpenter, K.E.
Short, F.T., Carruthers, T.J.R., Waycott, M., Kendrick, G.A., Fourqurean, J.W., Callabine, A., Kenworthy, W.J. & Dennison, W.C. 2010. Halophila australis. The IUCN Red List of Threatened Species 2010: e.T173371A7001541. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s
Consulter sur les bases externes
Note nomenclaturale & synonymesDétails taxonomiques + synonymes CoLExpert
Note nomenclaturale
TAXREF v18 — INPN/MNHNSynonymes (1)— redirigent vers cette page
- Halophila ovalis subsp. australis(Doty & B.C.Stone) Hartog
Sources : Catalogue of Life Cross-References (synonymes) · TAXREF v18 INPN/MNHN (commentaires FR).