Distribution of nutrients in surface and sub-surface sediments of Coombabah Lake, southern Moreton Bay (Australia)

Coombabah Lake (6 912 750 m N, 534 400 m E) is a semi-urbanised, sub-tropical, shallow, estuarine lake of regional, national and international marine conservation and habitat significance. Coombabah Lake is recognised as a wetland of significant importance under the ‘Convention on Wetlands’ as part of the Moreton Bay Ramsar wetland and is zoned as both a protected marine conservation and habitat zone, and declared fish habitat area (Queensland Fisheries Act 1994). Furthermore, the lake is an important destination for many northern hemisphere migratory birds and as such the lake is listed under the China–Australia Migratory Bird Agreement (1974) and Japan–Australia Migratory Bird Agreement (1986)