Peter J. de Lange

27 posts
Associate Professor (Botany, Ecology, Plant Conservation, Biosystematics) at Unitec in Auckland and a former Department of Conservation scientist. Peter has been visiting the Chatham Islands since 1996 and is a current member of the Chatham Islands Conservation Board.

CI Conservation Board Meeting – 27th August 2020

The Chatham Island Conservation Board met for their August 2020 meeting at the Kaingāroa, Playgroup, buildings. Attending the meeting were Board members Judy Kamo (Chair), Susan Thorpe, Mana Cracknell, Amanda Seymour, Di Gregory-Hunt (by phone), and Trescia Lawson. Representing the Department of Conservation was Tryphena Cracknell Operations Manager. Also, in […]

Caloplaca maculata – Collected from type locality, south of Waitangi Wharf, Chatham Islands. Image: Allison Knight

The unexpected near demise of Caloplaca maculata from the Chatham Islands

The Chathams Islands group are the eastern-most expression of the New Zealand archipelago. Opinions vary as to the age of the current islands; geological evidence suggests that the current surface expression is anywhere from 2–3 million years old (Holt 2008) but the DNA evidence, based on molecular clock inferences indicates […]

Rust on Mangere

A new highly threatened enigmatic rust recognised from Chatham Islands forget-me-not

During January 2007 the Auckland Botanical Society visited the Chatham Islands. During their visit the late Dr Ross Beever, then a mycologist working for Landcare Research discovered a strange, orange rust growing on cultivated plants of Chatham Islands forget-me-not (Myosotidium hortensia) within the visitor car park gardens, Department of Conservation offices, Te One, Chatham Islands