The vegetation communities of both reserves are diverse considering their small size. Valla Nature Reserve has ten mapped vegetation communities and Jagun Nature Reserve has fourteen. Seven threatened species have been recorded in the reserves, and a further 43 threatened species may potentially occur.
The Gumbaynggir people they have indicated that they have a strong connection to the Valla Beach and Oyster Creek areas. The entrance to Oyster Creek is highly significant to the Gumbaynggir people as well as an important spiritual link with Nunguu Mirral Aboriginal Area (Picket Hill).
