1. Auckland Council 2016 The proposed Auckland Unitary Plan text (notified 30th September 2013, updated 8th July 2016) http://unitaryplan.aucklandcouncil.govt.nz/Pages/Plan/Book.aspx?exhibit=PAUPSept13
2. Bates K. Brewer N. Grey R. Phelps C. Richmond L. 2012 From red zone to green corridor: an ecological approach to remediation of the Avon/Otakaro River red zone. Report prepared for the Avon-Otakaro Network http://www.geog.canterbury.ac.nz/community/309/2012/GEOG309_2012_Avon_Ecological_Corridor_Report.pdf
3. Christchurch City Council 2008 Christchurch City Council Biodiversity Strategy 2008-2035 http://resources.ccc.govt.nz/files/BiodiversityStrategy-1CoverContentsExecutiveSummary.pdf