Coastal & Marine Systems
The NAR has a coastline of over 550 km, and includes the “Turquoise Coast” from Guilderton to Dongara and the “Batavia Coast” from Dongara north to Kalbarri. There are many relatively pristine beaches and dune systems and impressive coastal cliffs in the northern portion. The coast line is characterised by limestone outcrops and sandy beaches overtopping and backed by Tamala limestone (Planwest, 2008). The reef systems protects a large portion of the coast from the impacts of waves.
This coast hosts signiﬁcant marine assets including the globally signiﬁcant terrestrial and marine systems of the Houtman Abrolhos Islands; one of the largest temperate limestone reef systems in Australia; and thirty eight offshore island nature reserves between Dongara and Lancelin. These features provide habitat for a mix of temperate, tropical and endemic marine fauna and ﬂora, and diversity of terrestrial ecological communities. Human pressures on coastal and marine assets are increasing with more people having easier access, and increasing development activities.
The coastal and marine areas of the NAR are highly valued by the community as they possess a number of ecological, recreational, cultural and economic values.
To help you explore the NAR’s coastal environment you can now download the Beachcombers App on your phone to help you identify common finds on Western Australia’s southern and mid-west beaches. You can also download a full copy of the original Beachcombers Field Guide as a pdf.
The Beachcomber App was created by Appiphany Pty Ltd, App developers Melbourne, as part of a joint project between NACC and the Department of Fisheries funded by the Department of Planning’s Coastwest Grants Program.
Coastal & Marine map
The map below shows coastal geomorphology, bathymetry and seabed features.
Click features on the map for more information. View full page map