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The Great Southern Reef is named after its world-famous neighbour to the north, the Great Barrier Reef, but has received a fraction of the attention and protection given to the latter. The Great Southern Reef is an important biodiversity hotspot and annually contributes more than AU$10 billion to the Australian economy. [2]
[3] [4] In Australia, E. radiata forms the backbone of the Great Southern Reef, a system of interconnected kelp reefs that spans the coastline of southern Australia, underpinning biodiverse and productive ecosystems, and supporting valuable ecosystem services. [5] Ecklonia radiata grows in kelp beds on reefs and where sheltered can form dense ...
The rest of New Zealand's subantarctic islands are part of the Southern Ocean realm. [1] In large parts of the realm along the southern coast of continental Australia, a network of rocky reefs and kelp forests has created a unique biodiversity hotspot known popularly as the Great Southern Reef.
More recent research suggests that the weedy seadragon may be far more endangered than initially assumed as a result of climate change-induced marine heatwaves on the Great Southern Reef. Edgar et al (2023) documented a population decline of 59% between 2011 and 2021, a period of frequent and extensive marine heatwaves.
Bombay sea lettuce Schizoseris bombayensis (Borgesen) Womersley (Port Phillip, Victoria, to the southern Great Barrier Reef, Queensland, and southeastern Tasmania. Also Lord Howe Island and widespread in the Indian and Pacific Oceans.) [1] Luminous strapweed Sarcomenia delesserioides Sonder (Abrolhos Is, Western Australia, to Western Port ...
The crew on Riley Starks’ reef net fishing boat off Lummi Island pulled in about a dozen salmon in one catch, pulling about 75 fish total on Sept. 14, 2023. It’s a slow day. In a good year ...
Kelp forests are a variation of rocky reefs, as the kelp requires a fairly strong and stable substrate which can withstand the loads of repeated waves dragging on the kelp plants. The sea bamboo Ecklonia maxima grows in water which is shallow enough to allow it to reach to the surface with its gas-filled stipes, so that the fronds form a dense ...
[6] [7] Specimens of D. antarctica have been found to float for up to 210 days, during which time high wind speeds transport kelp rafts up to 10,000 km. [6] [7] Environmental factors such as temperature, solar radiation and surface winds (all of which vary with latitude) affect buoyancy of southern bull kelp rafts and their rate of travel. [6]