Left: Exposed salt meadow | Right: Tidal channel
Left: Shellspit remnant on left | Right: Tall mangroves edge tidal channel
Left: Oyster farm beyond | Right: Passage Rock in far distance
Left: Bush edge joins shellspit | Right: Upper lagoon
Left: Shellspit base | Right: Pohutukawa, taraire, totara
Left: Kauri on skyline | Right: Needlegrass grows sparsely near spit base
Left: Greywacke gully wetland delta | Right: Shellspit hook in distance
Left: Dotterels & Oystercatchers in needlegrass gap | Right: Godwits at lagoon entrance
Left: Lowest section of shellspit | Right: Primary shorebird zone
Tidal action has formed the shellspit: whole cockle shells are deposited at the base then gradually move down to the hook
Shells become progressively smaller as they are washed along. At a certain point they become fine enough to allow needlegrass to establish