These organisations have representatives on the Tasman Environmental Trust

IN NELSON TASMAN 

PROJECT JANZOON
The aim of Project Janzoon is to transform the ecological prospects of the Abel Tasman National Park over the next 30 years. 
WAIMEA INLET FORUM
The Waimea Inlet Forum holds planting and maintenance working bees to restore native plants and ecosystems at a number of locations around Waimea Inlet, including Bell Island, Dominion Creek, Stringer Creek. Has links to Tasman and Nelson councils, statutory agencies, non-statutory groups and organisations, businesses and residents who have an interest in the Waimea Inlet and its sustainable future.
FRIENDS OF THE COBB
Friends of the Cobb is a group of Golden Bay people with a special affinity for the Cobb Valley in Kahurangi National Park who aim to protect the alpine valley’s native plants and animals.
FRIENDS OF FLORA
This group has a collaborative management partnership with DOC -  sharing resources and expertise for the ongoing successful management of Flora Stream catchment area in Kahurangi National Park.
BELL ISLAND RESTORATION GROUP
Involved in the restoration of Bell Island Spit.
NELSON BIODIVERSITY FORUM  A group of 26 member organisations who work together to identify and align actions to improve Biodiversity in the Nelson area.The Biodiversity Forum operates from three actions plans which can be accessed here.
NELSON ENVIRONMENTAL CENTRE 
The NEC aims to inform, build awareness, and to assist our community in making appropriate, practical responses to global environmental challenges, and to support environmental education for all.
ABEL TASMAN BIRDSONG TRUST
The Birdsong Trust works in partnership with DOC, tourism operators and community to protect & enhance biodiversity and improve the visitor experience in Abel Tasman National Park. 
BROOK WAIMARAMA SANCTUARY
The Brook Sanctuary is working to create a pest-free wildlife sanctuary close to the Nelson city centre in New Zealand. Integral to the plan is construction of a pest-proof fence to enclose the area, and to eradicate all the pest mammals within it.
PROJECT DE-VINE GOLDEN BAY
Project De-Vine is a non-profit group established to eradicate or progressively control noxious vines throughout Golden Bay.
KEEP RICHMOND BEAUTIFUL
This group keeps Richmond Beautiful by beautifying local parks, reserves, estuaries and creeks around Richmond, Tasman.

NATIONAL 

DEPARTMENT OF CONSERVATION
DOC is the NZ government department tasked with protecting New Zealand's natural and historic heritage.
LANDCARE RESEARCH
The core purpose of Landcare Research to drive innovation in the management of terrestrial biodiversity and land resources.
BIODIVERSITY INFORMATION ON LINE
Biodiversity Information Online provides information about Aotearoa New Zealand’s native biodiversity, what is being done to help conserve and manage it, and who is involved
ORNITHOLOGICAL SOCIETY OF NZ
Birds New Zealand is committed to the study of birds and their habitat use within New Zealand 
FOREST AND BIRD
Formed in 1923, Forest & Bird has about 70,000 supporters in 50 branches that work on a variety of conservation activities, from re-forestation to lobbying, bird monitoring to weed-busting.
PROJECT CRIMSON
Project Crimson was established In partnership with the Department of conservation to fight for the survival of the pohutukawa.
FISH & GAME NEW ZEALAND
Fish & Game NZ manages, maintains and enhances sports fish and game birds and their habitats, in the best long-term interests of present and future generations of anglers and hunters
NEW ZEALAND BOTANICAL SOCIETY
The NZBS encourages the study of botany and disseminates knowledge about, and encourage interest in, the flora of New Zealand.
BANKS PENINSULAR CONSERVATION TRUST
The goals of the BPCT are to promote the conservation and enhancement of indigenous biodiversity and sustainable land management on Banks Peninsula.
NATURE SPACE
Nature Space, a website for groups, individuals and landowners undertaking ecological restoration in New Zealand has an excellent resource page. It's full of helpful advice, guides and links.
TITOKI NURSERY
Titoki Nursery is a specialist wholesale native plant nursery, growing plants in bulk quantities for conservation, re-vegetation, wetlands, farm planting, land development and shelter.