Portsea Hole

Portsea Hole

Portsea Hole is a depression in the seafloor of Port Phillip Bay near Portsea, Victoria, Australia. It is one of six separate areas that comprise the Port Phillip Heads Marine National Park and is a popular site for divers.Parks Victoria. (2006). "Port Phillip Heads Marine National Park Management Plan". Parks Victoria: Melbourne. ISBN 0-7311-8349-5]

The Portsea Hole is a remnant section of the drowned valley of the Yarra River, descending sharply from the 12 m depth of the surrounding seabed to 32 m, exposing changes in the strata of the limestone sides with depth. It is characterized by diverse and abundant fish assemblages as well as a rich benthic community of marine invertebrates, encrusting algae, sponges and soft corals.

References

External links

* [http://www.parkweb.vic.gov.au/1park_display.cfm?park=268 Port Phillip Heads Marine National Park]


Wikimedia Foundation. 2010.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • Mornington Peninsula — This article contains information about the geographical landform, for the locality, see; Shire of Mornington Peninsula Map of Mornington Peninsula The Mornington Peninsula is a peninsula located south east of Melbourne in Victoria, Australia. It …   Wikipedia

  • Geography of Port Phillip — Port Phillip, or more commonly, Port Phillip Bay, is a large bay in southern Victoria, Australia, 1,930 km² (476,900 acres) in area, with a coastline length of 264 km (164 miles). The bay is extremely shallow for its size, but mostly navigable.… …   Wikipedia

  • Port Phillip Heads Marine National Park — The Port Phillip Heads Marine National Park comprises six separate sites, with a combined area of 35.8 km², located in the vicinity of the entrance to Port Phillip Bay in Victoria, Australia. The park was created in 2002 and represents an… …   Wikipedia

  • Mary Rose — For later ships with the same name, see HMS Mary Rose. For the play by J.M. Barrie, see Mary Rose (play). The remnants of the Mary Rose undergoing conservation in Portsmouth …   Wikipedia

  • Bastion — For other uses, see Bastion (disambiguation). bulwark redirects here. For other uses, see bulwark (disambiguation). Drawn representation of a bastion A bastion, or a bulwark, is a structure projecting outward from the main enclosure of a… …   Wikipedia

  • List of Empire ships (P) — The Empire ships were a series of ships in the service of the British Government. Their names were all prefixed with Empire . Mostly they were used during World War II by the Ministry of War Transport (MoWT), who owned the ships but contracted… …   Wikipedia

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”