New Zealand’s native plants and animals, as well as its farming industries, can be threatened by pests and diseases that arrive from abroad.

Part of story: Biosecurity

Modern biosecurity

The biosecurity system The risk of incursions of exotic species has historically been managed by the Ministry of Agriculture and Forestry

Part of story: Biosecurity

Preventing future invasions

Marine biosecurity A number of agencies are involved in the prevention, detection and management of marine invasives. The Biosecurity Act 1993 gave the Ministry of Fisheries tools to control the

Part of story: Marine invaders


Legislation The first legislation recognising weeds as a problem was enacted by various provincial councils in the 1850s. These were acts or ordinances against individual species or groups

Part of story: Weeds of agriculture

Definitions and history

What is biosecurity? Biosecurity encompasses the policies and measures taken to protect people, natural resources, plants and animals against potentially harmful species and diseases from other

Part of story: Biosecurity

Diseases and their control

American foulbrood

Part of story: Beekeeping

Fish and game councils

Acclimatisation societies retained their name for almost 130 years, although their role had changed greatly and few people knew what acclimatisation was. In 1990, a government

Part of story: Acclimatisation

Industry structure

Grower organisations There is no single group representing growers in New Zealand.

Part of story: Market gardens and production nurseries

Rural veterinarians in the 2000s

In early days the treatment of various sick animals, and dairy cows with milk fever or calving problems, were the main duties of the veterinarian. By the 2000s veterinarians were

Part of story: Veterinary services

Changing organisations and ideas, 1985–2010s

For many years the management of native plants and animals was complicated by overlapping and divided responsibilities.

Part of story: Conservation – a history