Grey Mangroves … Avicennia marina

Grey Mangroves

It is the most common and widespread mangrove found along the mainland coast of Australia. It is the only mangrove species able to withstand the cooler climates of South Australia and Victoria. Grey mangrove occurs in intertidal zones on a range of soft muds to sandy soils. Two key adaptations they have are the ability to survive in waterlogged and anoxic (no oxygen) soil, and the ability to tolerate brackish waters. Some mangroves remove salt from brackish estuarine waters through ultra-filtration in their roots

The grey mangrove or avicennia is capable of living in extremely saline conditions and is thus labelled a halophyte. Numerous adaptations have been utilised that enable the grey mangrove to tolerate the saline water and the anaerobic soil found in the estuaries in which they inhabit. They excrete excess salt through their long thick leaves, and absorb oxygen through their aerial root system. Also known as white mangrove, it occurs in saltwater swamps and estuaries in coastal NSW national parks. These trees can tolerate extremely salty water by excreting excess salt through their large thick leaves

Grey Mangroves line the river

Grey mangrove is the most common and widespread mangrove found within intertidal zones across Australia, and throughout the world. Growing to a height of 3-10m, they thrive best in estuaries with a mix of fresh and salt water. They excrete excess salt through their long thick leaves, and absorb oxygen through their aerial root system.

Also known as white mangrove, it occurs in saltwater swamps and estuaries in coastal NSW national parks. These trees can tolerate extremely salty water by excreting excess salt through their large thick leaves. However, grey mangrove thrives best in brackish waters – a mix of salt and fresh water.

Grey mangrove grows as a small shrub or tree to 3-10m, with a sprawling mass of branches. It often flowers all year long, producing yellow fruit that easily self-seed. The mangrove’s unique aerial root system extends above the waterline, allowing it to absorb oxygen.

Marguerite Carstairs

These mangroves were around Tweed Heads NSW. We did an eco-tour from Tweed Heads to Stotts Reserve in Murwillumba and back. Tweed River and Rainforest Lunch Cruise on the Tweed River and relax into the surrounding nature and scenery. The Stotts Island Nature Reserve is a protected nature reserve containing the Stotts Island, a river island, that is located in the Tweed River, in the Northern Rivers region of New South Wales in eastern Australia. The 141-hectare (350-acre) reserve is situated near Tweed Heads and 12 kilometres (7.5 mi) northeast of Murwillumbahhttps://en.wikipedia.org/wiki/Stotts_Island_Nature_Reserve

Stotts Island is composed of alluvium deposited from the Pleistocene to the present. It is prone to flooding, during which times silt and weed material accumulate on the island. The island is continuously being reshaped by erosion. The reserve contains an intact 77-hectare (190-acre) segment of lowland sub-tropical rainforest.

Mangroves Australia

Grey Mangroves

It is the most common and widespread mangrove found along the mainland coast of Australia. It is the only mangrove species able to withstand the cooler climates of South Australia and Victoria. Grey mangrove occurs in intertidal zones on a range of soft muds to sandy soils. Two key adaptations they have are the ability to survive in waterlogged and anoxic (no oxygen) soil, and the ability to tolerate brackish waters. Some mangroves remove salt from brackish estuarine waters through ultra-filtration in their roots

The grey mangrove or avicennia is capable of living in extremely saline conditions and is thus labelled a halophyte. Numerous adaptations have been utilised that enable the grey mangrove to tolerate the saline water and the anaerobic soil found in the estuaries in which they inhabit. They excrete excess salt through their long thick leaves, and absorb oxygen through their aerial…

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Published by Ladymaggic

Artist, Traveller, Researcher and Writer, currently living on Macleay Island., where I photograph and share experiences and events around the Islands and Island Life until I am able to travel again. Travel photos and videos about many places in Australia​ and the world

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