Nelmac has a strong track record in wetland restoration, landscape protection, eco-sourced plant material and revegetation. Between restoring native bush to improving the health of wetlands, our team understands and is committed to caring for the environmental landscape in New Zealand.

Environmental consultancy services

  • Wetland restoration
  • Coastline protection
  • Landscape design
  • Landscape protection
  • Eco-source plant material
  • Re-vegetation
  • Regeneration of native bush
  • Erosion control
  • Pest control
  • Project managemement through every stage of the process
  • Liaising with other service providers, ecologists and contractors
  • Application and management of consent processes
  • Stakeholder management and communication
  • Managing budgets and on-time delivery

Our team has experience rebuilding and enhancing our natural environment including tracks and trails to wetlands. By improving the health of waterways through native planting and the reintroduction of native fish species, we have made a visible difference to many rivers and streams.

Our service offering encompasses growing plants in our Nursery for natural landscapes,  building and repairing  tracks and trails, and caring for our waterways. Our multi-disciplinary teams are fully familiar with environmental legislation and resource consent requirements, and display genuine commitment to environmental care.

Nelmac provides a full project management service - our expertise includes project definition and scope, procurement, works and scope management, on-site supervision, finishing, handover and ongoing maintenance. By combining our client’s desired outcomes with our technical and environmental knowledge, we can facilitate a successful project from start to finish.


Jane Gosden.JPG

Hayden Butler

Contract Manager - Conservation & Ecology

Hadyn is an Ecologist with over 8 years’ experience working for local and central government, and as in independent consultant. Prior to joining Nelmac in 2016 he worked for Greater Wellington Regional Council, and the Ministry for Primary Industries.

His experience includes the design, delivery and reporting of ecological restoration programmes; development of environmental management plans and strategies; assessment of environmental effects for resource consent processes, and field work in freshwater, terrestrial and marine environments.

Hadyn brings extensive knowledge and experience of ecological management and a talent for finding practical solutions to projects undertaken by Nelmac.


Jane Gosden


Jane has 10 years of experience as an ecologist working in New Zealand and Australia.

Currently Jane is working on the design and implementation of a weed mapping programme for Nelson City Council. This builds on her experience monitoring plants for the Department of Conservation (DOC) and designing and implementing a weed mapping programme on sub-Antarctic Macquarie Island for the Australian Antarctic Division.

While Jane’s favourite area of ecology is botany, she also has skills in bird, mammal and insect identification.


Brad Chandler

National Projects Manager

Brad has 10+ years’ experience in conservation and pest management

Completing his MSc in invasive biology and terrestrial ecology from the University of Canterbury in 2008 Brad then went to work for DOC carrying out their Sika deer research, control and monitoring in the Kaweka Ranges near Napier.

Although Brad’s main experience is with pest management, he also has strengths in and thoroughly enjoys creating a partnership collaborative approach to every project or programme he is involved in, building and maintaining strong stakeholder relationships as well as providing long-term direction and strategic input into business planning and development.