Login below, or create an account for free.
Much of this beauty emanates from the complexity of inlets formed by the drowning of a river valley, with Sydney Harbour, as a result, comprising a diversity of marine habitats and a wealth of associated species. As an example of the Harbour's biodiversity, more than twice the number of fish species have been recorded from Sydney Harbour (550) than for the entire coast of the United Kingdom (200). The estuary is also home to a growing urban centre of 4 million people and has been extensively modified, with 90% of the catchment urbanised or industrialised and greater than 50% of the foreshore hardened or armoured. An additional infamous legacy of the human impacts on Sydney Harbour is the extent of metal contaminants found within benthic sediments and macroalgae.
For more information, download the technical report Sydney Harbour-A Systematic Review of the Science 2014
Find out more about the Harbour's bathymetry, tides and currents
Sydney Harbour hosts a variety of habitats, from rocky reefs to open water
Find out more about some of the species that call Sydney Harbour home