View some of the 2019 Official Information Act (OIA) responses from DOC.

Native plants

Kauri dieback

Issue: Upgrading and opening of tracks
Date: 13 December 2019
Ref: 19-E-0802

Response letter 1 (PDF, 292K)

Cape Kidnappers Walking Track

Issue: Approval on the suitability of Cape Kidnappers Walking Track as a Great Walk
Date: February 2019
Ref: OIA 19-E-0045
Response letter 1 (PDF, 316K)

Issue: Communications about the safety of Cape Kidnappers Walking Track
Date: February 2019
Ref: OIA 19-E-0048
Reponse letter 2 (PDF, 2,179K)

Predator control and 1080

Responses to OIA requests on 1080 from 2017 and 2018 can also be found below.


Issue: Pirongia Forest Park
Date: October 2019
Ref: 19-E-0625
Response letter (PDF, 1,431K)

Issue: Clarence and Molesworth
Date: August 2019
Ref: 19-E-0569
Response letter (PDF, 9,215K)

Issue: Hunua Ranges
Date: August 2019
Ref: 19-E-0533
Response letter (PDF, 5,644K)

Issue: Fiordland
Date: August 2019
Ref: 19-E-0511
Response letter 1: Possum monitoring data (PDF, 152K)
Response letter 2: (PDF, 703K)

Issue: Milford Sounds
Date: August 2019
Ref: 19-E-0487
Response letter (PDF, 252K)

Issue: Kahurangi National Park
Date: August 2019
Ref: 19-E-0503
Response letter (PDF, 3,192K)

Proactively released documents about predator control operations

Issue: Dead rats and one weka that washed up on North Beach, Westport, 9–11 November 2019.
Date: 20 November 2019

Maanaki Whenua Landcare Research toxicology reports and Massey University School of Veterinary Science pathology reports:

Issue: Perth Valley – Zero Introduced Predators Ltd 2019 operation
Date: 4 November 2019

Note: Includes low quality scans. 

Issue: Te Maruia 2019 operation
Date: 15 October 2019

Issue: Arthur’s Pass National Park 2019 operation
Date: 26 September 2019

Issue: Abel Tasman National Park 2019 operation
Date: 18 September 2019

Issue: Kahurangi National Park 2019 operation
Date: 18 September 2019

Note: There is a typing error in the document "Memo: Kahurangi – Possum, rat and stoat control operation 2019", at paragraph 2 on page 1. Permission 5919096 was issued to Vector Free Marlborough Limited on 23 April 2019, and not 23 February 2019 as noted in that memo.

Supreme Court shark cage diving decision

Issue: Response to claims the Supreme Court shark cage diving decision impacts on 1080
Date: 23 October 2019
Ref: n/a
Response letter (PDF, 139K)

Kea monitoring results

Issue: Kea monitoring results, Okarito (2011)
Date: August 2019
Ref: 19-E-0368
Response letter and photos (PDF, 927K)

Predators and evidence of predation

Issue: Estimates of bird deaths from predators, photos of predation and threats by protesters
Date: January 2019
Ref: 18-E-1039
Response letter (PDF, 181K)

What is 1080?

Issue: 1080 ingredients, authorisation of use, costs of operations and safe use
Date: April 2019
Ref: 19-E-0154
Response letter (PDF, 209K)

Issue: 1080 ingredients, quality control, and biosecurity concerns
Date: April 2019
Ref: 19-E-0198
Response letter (PDF, 132K)

Insects and 1080

Issue: Effects of 1080 on invertebrates
Date: April 2019
Ref: 19-E-0156
Response letter (PDF, 1,186K)

Issue: Bees, pesticide and 1080
Date: August 2019
Ref: 19-E-0439
Response letter (PDF, 59K)

The science behind 1080

Issue: Scientific reviews
Date: August 2018
Ref: 18-E-0492
Response letter (PDF, 217K)

Issue: Biosecurity risk from using cereal 1080 in baits
Date: February 2019
Ref: 19-E-0026
Response letter (PDF, 146K)

Issue: Biodegradability of 1080 /Fluorocitrate testing
Date: February 2019
Ref: 19-E-0071
Response letter (PDF, 204K)

Issue: 1080 research, samples of 1080 in animals, and health and safety
Date: April 2019
Ref: 19-E-0153
Response letter (PDF, 147K)

Issue: Taking samples for testing and laboratory methods for 1080 residues in animals
Date: May 2019
Ref: 19-E-0200
Response letter (PDF, 108KB)

Water and 1080

Issue: 1080 degrades in water and soil
Date: November 2019
Ref: 19-E-0707
Response letter (PDF, 253K)

Issue: Breakdown of 1080 in water
Date: August 2019
Ref: 19-E-0468
Response letter (PDF, 188K)

Issue: Water safety and monitoring the contamination risk
Date: January 2019
Ref: 18-E-1068
Response letter (PDF, 130K)

Issue: Impact of 1080 on coastal and estuary environments in the Bay of Islands
Date: February 2019
Ref: 19-E-0005
Response letter (PDF, 279K)

Health and 1080

Issue: Health effect of contact with 1080
Date: July 2019
Ref: 19-E-0446
Response letter (PDF, 703K)

Birds and 1080

Issue: Samples from whio tissue and the Vertebrate Pesticide Residues database
Date: September 2019
Ref: 19-E-0604
Response letter (PDF, 73K)

Issue: Kiwi monitoring and conservation
Date: August 2019
Ref: 19-E-0470
Response letter (PDF, 145K)

Issue: Doubling birdsong in Landsborough Valley
Date: August 2019
Ref: 19-E-0448
Response letter (PDF, 247K)

Issue: Kea Pathology reports
Date: July 2019
Ref: 19-E-0435
Response letter (PDF, 255K)

Issue: Kea death in Okarito
Date: July 2019
Ref: 19-E-0368
Response letter 1 (PDF, 143K)
Response letter 2 (PDF, 114K)

Issue: 1080 Kākāriki testing
Date: January 2019
Ref: 18-E-1060
Response letter (PDF, 154K)

Issue: Kokako, kākā, kiwi and kea fertility and re-nesting
Date: January 2019
Ref: 18-E-1062
Response letter (PDF, 199K)

Issue: Kiwis and 1080
Date: February 2019
Ref: 19-E-0062
Response letter (PDF, 123K)

Issue: Kea and 1080
Date: March 2019
Ref: 19-E-0099
Response letter (PDF, 198K)

Issue: Whio and 1080
Date: July 2019
Ref: 19-E-0362
Response letter (PDF, 174K)

Issue: Kea and 1080
Date: July 2019
Ref: 19-E-0365
Response letter (205K)

Predator populations and monitoring

Issue: Rat monitoring data
Date: July 2019
Ref: 19-E-0417
Response letter (PDF, 68K)

Issue: Mega masts, seed explosions and increase in rodent populations
Date: May 2019
Ref: 19-E-0251
Response letter (PDF, 203K)

Issue: Estimates of bird deaths from predators, photos of predation and threats by protesters
Date: January 2019
Ref: 18-E-1039
Response letter (PDF, 181K)

Alternatives to 1080

Issue: Options and comparisons for trapping
Date: March 2018
Ref: 18-E-0048
Response letter (PDF, 794K)

Issue: Cost of looking for alternatives
Date: Feb 2019
Ref: 19-E-0051
Response letter (PDF, 329K)

Compensation and prosecution

Issue: Birds left on parliament steps 
Date: March 2019
Ref: 19-E-0130
Response letter (PDF, 268K)

Issue: Penalties and prosecutions for killing crayfish with toxin
Date: March 2019
Ref: 19-E-0157
Response letter (PDF, 128K)

Issue: Compensation payments for death of livestock
Date: May 2019
Ref: 19-E-0210
Response letter (PDF, 328K)

Objections to 1080

Issue: Statements of objection to using 1080
Date: September 2019
Ref: 19-E-0546
Response letter (PDF, 171K)

Pest control

Plants and weeds

Issue: Marram grass and dune restoration in Mason Bay
Date: 27 September 2019
Ref: 19-E-0589
Response letter (PDF, 765K)


Issue: Release of sika deer in Taranaki Park
Date: August 2019
Ref: 19-E-0464
Response letter (PDF, 429K)

Health and safety

Issue: Health and Safety incidents
Date: November 2019
Ref: 19-E-0735
Response letter (PDF, 142K)

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