Trees

A new University of Auckland study has found the city's tree numbers are dwindling due to housing intensification and a lack of safeguards to protect them. Dr Margaret Stanley is the study's… Audio

The Throne Station in Marlborough overlooks the Waihopai spy base and a sea of vineyards. David Dillon took over the sheep-and-beef farm from his father nearly 40 years ago and now his son Tommy is… Audio

Aucklanders opposed to the chopping down of six 80-year-old pohutukawa to make way for a road extension say they've been ignored in the decision-making process. Audio

Adapted by David Somerset. Read by Dick Weir. Audio

An ecologist and opponents of a new road are lamenting the expected loss of ancient kauri trees now the 800-million-dollar highway between Puhoi to Warkworth has won final approval. Audio

What are trees worth to you? Dr Margaret Stanley, Alison Greenaway and Robyn Simcock are part of a team trying to understand what value people put on trees in New Zealand's largest city. Audio

Conservationist Gerry McSweeney talks about old growth forest and using 1080 for biodiversity restoration at a landscape scale Audio

While scientists try to understand kauri dieback disease and its effects, people have to take precautions to prevent it spreading. Audio

To the Chatham Islands, where 160 Moriori tree carvings remain even as the Department of Conservation has been criticised in the past for not doing enough to preserve them. Audio

Dendrochronologist Jonathan Palmer finds a surprising Christmas connection when he counts the tree rings of the world's loneliest tree. Audio

Green-fingered and Threatened Plant Scientist Dr Peter de Lange on the great bio-mass that grows around us... New Zealand's own Christmas tree, the pohutakawa. Audio

Ulric Baumberger has three thousand Christmas trees growing on his Matangi property near Hamilton. He, his wife and young twins arrived in New Zealand nearly twenty years ago and he started growing… Audio

An Otago university archaeologist says too little is being done to save unique Moriori tree carvings on the Chatham Islands. Audio

Ecologist Geoff Park goes in search of the reason why a small stand of ancient Kahikatea trees on a bend of the Mokau River has survived, despite the onslaught of forest-clearing and dairying. Audio

War memorials abound in this country. We love 'em, and they're every where. As the song says, "New Zealand small towns are all the same; pub, church, war memorial". And our own Wanganui was once… Audio

Ecologist Geoff Park examines the impact of European agriculture on the Hauraki Plains country, once the site of the richest pre-colonial Maori culture. It's also where the country's future landscape… Audio

The Moriori community is shocked and saddened after an ancient Moriori tree carving, aged between two-hundred and five-hundred years old, was vandalised at a Historic Reserve on the Chatham Islands. Audio

Dr Ian Barber is a Senior Lecturer in Archaeology at the University of Otago and discusses whether the loss of the kopi trees could have been avoided. Audio

Detailed 3D digital laser scans are preserving information about Moriori tree carvings on the Chatham Islands Audio

Moriori dendroglyphs, or tree carvings, are unique to the Chatham Islands, and are found on fewer than 200 trees. Many of these trees are dying. Audio