News related to Change to race plan, strict cleaning, allow world jetboat event to proceed

  1. Didymo confirmed in Waimakariri River - 10 February 2010

    Didymo (Didymosphenia geminata) has been confirmed in the Waimakariri River, MAF Biosecurity New Zealand (MAFBNZ) announced today.

  2. Didymo update - 1 May 2008

    In response to recent reports circulating about the apparent 'disappearance' of didymo, particularly in the Waitaki, Hakataramea and Maerewhenua Rivers, MAF Biosecurity New Zealand can confirm that didymo is still present in the those rivers and people must check, clean and dry their equipment before moving to other waterways.

  3. Didymo found in the Wairau River - 19 March 2008

    Didymo (Didymosphenia geminata) has been confirmed in the Wairau River near Dip Flat, MAF Biosecurity New Zealand (MAFBNZ) announced today.

  4. Didymo found in Rangitata Diversion Race - 5 December 2007

    The invasive algae didymo has been confirmed in the Rangitata Diversion Race, MAF Biosecurity New Zealand announced today.

  5. Didymo confirmed in upper Rangitata River and Rakaia River - 11 December 2007

    The invasive alga didymo has been detected at two sites upstream of the Rangitata Diversion Race (RDR) intake on the Rangitata River.

  6. Anglers reminded to 'check, clean, dry' - 25 September 2007

    With the fishing season due to start next Monday (October 1), MAF Biosecurity New Zealand and Fish & Game are reminding anglers, and other recreational freshwater users of the importance of cleaning their equipment between waterways.

  7. Didymo found in upper Clarence River - 11 October 2007

    The invasive alga didymo has been detected in the upper Clarence River, MAF Biosecurity New Zealand announced today.

  8. Simulation to test plans for North Island didymo detection - 29 May 2007

    Biosecurity New Zealand will run a didymo North Island find simulation exercise based in Taupo on Thursday May 31.

  9. Central North Island river users reminded to check, clean and dry - 1 November 2007

    With the discovery of dead didymo cells in several central North Island rivers yesterday, MAF Biosecurity New Zealand (MAFBNZ) and Central North Island regional partner organisations are reminding anglers and other recreational freshwater users to check, clean and dry their equipment between waterways.

  10. Didymo detected in two upper South Island rivers - 18 January 2007

    Didymo has been detected in two more rivers at the top of the South Island, MAF Biosecurity New Zealand announced today.

  11. Didymo in Queenstown Bay - 7 February 2007

    Didymo has been detected in Queenstown Bay in Lake Wakatipu, Biosecurity New Zealand and the Queenstown Lakes District Council announced today.

  12. Rangitikei River suspected didymo sample to be analysed - 31 October 2006

    Biosecurity New Zealand is awaiting results of a suspect didymo sample being collected from the Rangitikei River this morning.

  13. Suspect Rangitikei River algal sample not didymo - 2 November 2006

    The suspect sample from the Rangitikei River is not didymo, MAF Biosecurity New Zealand announced today.

  14. 'Check, clean, dry' still best way to control didymo - 24 July 2007

    The latest findings from MAF Biosecurity New Zealand's Didymosphenia geminata (didymo) science programme were presented to the Didymo Technical Advisory Group and Long-Term Management partners at a seminar held in Wellington today.

  15. Monitoring detects Didymo in five rivers - 1 September 2006

    Biosecurity New Zealand’s latest 100 high-risk site didymo monitoring survey has been completed with five new detections – all of them in previously affected catchments or in rivers close by.

  16. Fishermen reminded about didymo precautions for upcoming season. - 29 September 2006

    With the fishing season due to start on Sunday (October 1), Biosecurity New Zealand is reminding fishermen and other recreational freshwater users of the importance of cleaning their equipment between waterways.

  17. No Didymo finds in the North Island - 29 May 2006

    A national didymo delimiting survey has been completed with no positive samples for the North Island, Biosecurity New Zealand Surveillance and Response manager David Hayes said today.

  18. Waitaki catchment didymo update - 2 June 2006

    Biosecurity New Zealand has issued the North Otago Irrigation Company an exemption under the Biosecurity Act allowing it to use potentially affected water in its scheme, Biosecurity New Zealand Director Post-Clearance Peter Thomson said today.

  19. Didymo cells found in Von River mouth, but further investigation needed - 22 October 2005

    A sample from the mouth of the Von River near Queenstown has been found to contain Didymo cells, but further work is required to determine the extent of its presence in the river, Biosecurity New Zealand announced today.

  20. First Didymo survey results negative but caution still needed - 8 October 2005

    Surveys of the Northern third of the South Island have not found any more rivers affected by the invasive Didymo alga, Biosecurity New Zealand announced today.

  21. Didymo delimiting survey well advanced, North Island testing to start - 7 October 2005

    Testing of North Island rivers for the presence of the invasive Didymo algae will start on Friday 7 October 2005, Biosecurity New Zealand (BNZ) announced today.

  22. Didymo confirmed in Hawea, Controlled Areas in place for fishing season. - 29 September 2005

    Biosecurity New Zealand is calling for precautions to be taken on all South Island rivers with the confirmation that Didymo has been found in the Hawea River, and a further suspect find from the Travers River in the upper Buller catchment still being analysed.

  23. Didymosphenia geminata confirmed in Buller River - 28 September 2005

    It is likely that a Controlled Area will be declared on the Buller in the next few days, prohibiting use of the Buller River if users are intending to use other rivers. BNZ is working with local councils, DOC and Fish and Game to identify and contact river users. BNZ is aware that the fishing season starts on Saturday and that the whitebaiting season has already started.

  24. Spread the word, not the algae: Avoid, Dedicate or Decontaminate river gear - 10 August 2005

    The appeal comes as BNZ faces a last minute hitch in imposing a controlled area on the rivers, which it had hoped to have in place for the start of the whitebait season on August 15. The controlled area notice is a more formal measure to contain the algae than the public awareness campaign conducted since the algae was first identified last October. It will control access to the area by permit and make it an offence to remove any item from the controlled area without one.

  25. Algae Management Options Under Review - 18 February 2005

    Biosecurity New Zealand (BNZ) in conjunction with Environment Southland is holding three information meetings this week to explain the latest developments with the algae incursion of Didymosphenia affecting some 200 km of the Waiau and Mararoa Rivers, Biosecurity New Zealand Senior Adviser Christina Vieglais, said today.

  26. Be responsible with Didymo algae this hunting season - 5 May 2005

    With duck shooting season starting this weekend, Biosecurity New Zealand is appealing to users of the Mararoa and lower Waiau rivers in Southland to guard against the spread of the invasive algae Didymosphenia geminata.

  27. Didymo confirmed in Waitaki River - 26 January 2006

    Didymo has been confirmed in the Waitaki River, Biosecurity New Zealand announced today.

  28. Didymo control efforts strengthened – but personal responsibility the key - 9 December 2005

    Biosecurity New Zealand has strengthened Didymo control efforts with a South Island-wide Controlled Area, enhanced public awareness activity and a $1 million summer research programme into potential control tools, but personal responsibility remains the key tool in reducing its spread.

  29. Second Canterbury river found to contain Didymo - 21 February 2006

    Didymo has been found in the Ahuriri River in Canterbury, Biosecurity New Zealand announced today.

  30. No further didymo finds - but no guarantees given - 2 November 2005

    The national Didymo survey has all but been completed with no further finds of the invasive alga. The last find was reported a week ago from the Von River near Queenstown, bringing the total known affected rivers to eight. However, river users should not assume any river to be free of Didymo and should continue to clean items that have been in contact with water before using in any other New Zealand waterway, Biosecurity New Zealand Team Manager, Surveillance and Incursion Response Amelia Pascoe says.