They have been mostly filling in gaps in an area planted by the Department of Conservation.
While the area just above the marae is now flourishing, the top of the maunga and the southern side are still bare.
Eroding into the riverEroding land is falling in to the awa (river) Waiomoko, slowly cutting the maunga down and affecting kaimoana beds in and around Te Tapuwae o Rongokako Marine Reserve.
“We are interested in the sea and what comes out of it, so we need to look after it,” Mr Gibson said.
“Silt is flowing into the marine reserve, and plants and animals in there get smothered.
“We have an obligation to look after them.”
They were carrying on the legacy of the late Whangara kaumatua “Papa” Hone Taumaunu.
“He said it was really important that Tangaroa (God of the sea) and Papatuanuku (Earth Mother) were kept in harmony, and to look at the whole environment, not just a piece.
“If we dabble in one area, without doing anything in the other, it gets out of kilter.”
A plant nursery, developed this year at a mara kai (food garden) on the lawns of St Patoromu Church down the road, will help step up the restoration.
“We aim to be able to produce 5000 plants a year,” Mr Gibson said.
“In five years we should be able to cover the whole maunga.”
Kai Oranga courseThe nursery is part of the mara kai developed as part of a Kai Oranga course run there since September, teaching participants how to grow healthy kai.
Mr Gibson, who mows the lawns of the church, suggested the site for the mara kai, nursery and a food forest including dozens of fruit trees.
“It was just grass originally. It has been quite a transformation.”
Due to the harsh, coastal environment, they will tackle the Pukehapopo restoration in small sections at a time.
At the moment they have kanuka, manuka, karaka, houpara, ngaio, koromiko and many more all growing in the nursery, preparing for planting next autumn.
Mr Gibson said establishing native bush behind the marae would not only stop erosion, but provide a place for manuhiri (guests) and children to explore and learn about their history and the Paikea legend.
Already there were signs and carvings on Pukehapopo, telling the legend of Paikea.
Mr Gibson said since retiring from his role as Lytton High School principal 15 years ago he has been able to pursue his long-term interest in gardening and native plants.
“This is a wonderful way to be retired. It is good to be busy and I am really pleased with how the community is involved.”