| Designations | |
|---|---|
| Official name | Logan Lagoon |
| Designated | 16 November 1982 |
| Reference no. | 252[1] |
Logan Lagoon is a 2172 hawetlandConservation Area onFlinders Island, the largest of theFurneaux Group at the eastern end ofBass Strait, which is part of theAustralian state ofTasmania.
The lagoon area was declared a wildlife sanctuary in 1968, with additional blocks of adjacent land added subsequently. In 1982 it was designated a wetland of international importance under theRamsar Convention. In 1996 it was declared a Shorebird Network Site.[2]
Logan Lagoon is a coastal wetland complex at the south-eastern corner of Flinders Island, lying some 5 km east of the village of Lady Barron. It is isolated from the sea by a largesand bar which is infrequently breached by either high water levels in the lagoon or by rough seas eroding the bar. The water in the lagoon is generally 1–2 m deep and fluctuates with rainfall, occasionally drying out. The 75 km2 catchment of the lagoon is mainly agricultural land.[2]
The eastern side of the lagoon has a dense coastalshrubland ofcoast wattle andcoast tea-tree interspersed with grassy patches. Where the land is largely protected frombushfires there is a mixture of forest and scrub dominated bySmithton peppermint, tea-tree,silver banksia andOyster Bay pine. Somemanna gum occurs on dune ridges. In swampy areas there are thickets ofcoast paperbark. Around the lagoon margins are patches ofgolden speargrass,coastal tussock grassland, salt-tolerantherbs andsamphire.[2]
In winter the lagoon is important as a nesting site forblack swans, and in summer as a feeding and resting site formigratorywaders, or shorebirds, especiallydouble-banded plovers.[3] Severalwaterfowl species use the site, includingCape Barren geese.[2]
40°10′00″S148°17′20″E / 40.16667°S 148.28889°E /-40.16667; 148.28889
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