


LOADING
Kokota Spit, Parengarenga Harbour
Fly over Kokota Spit
Parengarenga Harbour is sheltered from the sea by a 10-kilometre-long promontory of pure silica sand, called Kokota Spit.
It’s a moonscape of sand dunes—some 40 metres high—and sparsely vegetated with pingao grasses, spinifex and the feathery white plumes of native toetoe that are habitat for plovers, wrybills and black oystercatchers.

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Parenga Channel, Parengarenga Harbour
Fish with Nick
The harbour is a larder for the 500 residents of Te Kao and Te Hapua, like Nick Marsh, who have fished these waters for generations. The customary take is modest, commercial fishing is limited and the Parengarenga Incorporation, which owns a significant portion of surrounding land, no longer allows the public access over their land to fish recreationally in the harbour.
Locals hope that these measures will ensure an abundant fishery and flourishing marine environment into the future.

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Dog Island, Parengarenga Harbour
Glide over eagle rays
Eagle rays bask in the warm, clear shallows of Parengarenga, one of the best preserved harbour systems in New Zealand.
Almost all of the surrounding land is Māori-owned, in a mix of native vegetation and scrub, some forestry and about half pastoral farming. There are few tributaries and the catchments are relatively small, meaning that water quality is relatively good. This low-intensity farming, with landowners invested in the health of the harbour, presents a model for sustainable development.

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Parenga Channel, Parengarenga Harbour
Forests in the sea
Deep channels lead inland from the harbour entrance. The edges are laced with mangroves and the shallows green with meadows of seagrass. These are nurseries for small fish and rich habitats for shellfish and other crustaceans.
Parengarenga is like a time machine, a vision of what many New Zealand harbours once looked like. Before Auckland’s suburban development flooded the Waitematā and Manukau Harbours with sediment, they too were carpeted in verdant seagrasses.

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Parengarenga Harbour, Northland
The Bar
The vast Parengarenga Harbour spills into the sea through a narrow channel of dark water running over a shallow bar. Powerful tides rip across it, drawing the waves into peaks and making treacherous conditions for vessels, some of which lie wrecked and rusting in the shallows—an immortal warning to mariners.
The harbour extends inland some ten kilometres with five sprawling arms, each with shallow fingers lined with mangroves.

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Ngatehe Point, Parengarenga Harbour
Daycare for fish
At the harbour entrance, tiny juvenile fish, like these bigeyes, hide in the shelter of a rock. Here they are safe from predators until they are large enough to venture elsewhere in the harbour to feed, or migrate out of the harbour into open water.
Harbours like Parengarenga are important nursery grounds for migratory species—such as kingfish—and have a halo effect, influencing the health of ecosystems all around them.

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Porotu Arm, Parengarenga Harbour
Fly over farms
Workers repair an oyster farm damaged by a storm in the shallow upper reaches of Porotu Arm.
While the structures in the marine environment are significant, studies suggest that oyster farms create only modest sediment and have few negative effects on the surrounding environment. They may actually be beneficial roosting sites for wading birds.

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Kauanga Channel, Parengarenga Harbour
Farmers in training
Aquaculture is an important industry for local communities, as employment opportunities are thin on the ground.
Up the Kauanga Channel, an innovative project-learning enterprise called Papa Taiao allows students from Kaitaia College to get first-hand experience on an oyster farm. It’s hoped that the opportunity to see sustainable business in action will allow students to improve outcomes for both local communities and the natural environment.

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Kokota Spit, Parengarenga Harbour
Gone fishing
Commercial fishers from Te Kao clear mullet from their net in the shallows of Kokota Spit where they fish their quota.
Because of Parengarenga’s treacherous bar, shallow water and remote location, there are just two commercial vessels working in the harbour, both of them local, with a vested interest in a sustainable take.

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Te Hapua Wharf, Parengarenga Harbour
Inbound invasives
Like strange fruit, ascidians cling to a wharf pile in Te Hapua. A native of Australia, they first appeared in Houhora Harbour in 2005 and were later found on oyster racks here in Parengarenga, likely brought in on the hull of an oyster barge.
The ascidians displace native marine flora, but don’t seem to concern the glass shrimp, which dance around the domes of the camera.

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Te Hapua Wharf, Parengarenga Harbour
Hooking up a feed
As the sun goes down on Te Hapua, a local casts a line into the still waters of Parenga Channel, a source of sustenance for generations.
Ngāti Kuri did not sign the Treaty of Waitangi, were not included in the first land transactions and saw more than 70% of their land sold out from under them by 1890. They were left with little property and few economic opportunities. The Crown has since apologised and vested some 4015 hectares into their ownership, perhaps giving the iwi the first opportunity in more than a century to control their affairs and the future of their harbour.