Mangroves - Concord, NSW, Australia - Flora and Fauna Information Signs on Waymarking.com

The white printed metal sign is set at angle, on a single post by the forest-green painted post-rail fence near the walkway.
It has a drawing of a Grey Mangrove, typically found on the mudflats of the bay. It reads:

'The Grey Mangrove (Avicennia marina) is the most widespread mangrove in the world and the dominant mangrove in the City of Canada Bay area. It reaches a height of between 10-15 metres and has lightly fissured grey bark. Leaves are opposite, green above and greyish below. Mangroves produces numerous vertical peg roots (pneumatophores) that protrude above the mud bottom as open-ended pipes that allow air to diffuse from the water to the shallow subterranean roots of the plant.

'Mangroves have evolved three main processes to cope with salt:
* Secretion - salt is concentrated and exuded through special glands on the leaves, which is then washed away by rain.
* Exclusion - special tissue in the roots and lower stems act as barriers to salt.
* Accumulation - salt builds up in older tissue which is then shed as it becomes laden with salt.

'After flowering the Grey Mangrove produces seed (propagules) that grow on the parent tree for 10-12 months. The seed is ready to grow when it falls from the tree, and after a few days floating about in the estuary the seedlings strand and stand themselves up. Many thousands of seedlings establish themselves annually but most die under the canopy of the parent plant.

'Mangrove habitat is an important source of food and shelter for marine animals, fish and birds. Many important fish species caught by both recreational anglers and commercial fishers depend on mangrove habitat as a nursery. It is estimated that over 70% by value of the commercial fish catch in New South Wales comprises estuary dependent fish. '

Address: Bayview Park, Burwood Road, Concord, NSW, 2137, Australia

Visited: 1835, Thursday, 27 December, 2018

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