Local Govt | National News Video | Parliament Headlines | Politics Headlines | Search

 


Low levels of algae a good sign for swimmers

MEDIA RELEASE


Friday, February 21, 2014


Low levels of algae a good sign for swimmers

Recent monitoring by Horizons Regional Council has found lower than anticipated blue-green algae levels in the Manawatu River catchment, making it a great time to enjoy the Region’s rivers.

None of the 35 sites visited by Horizons’ science team over the past week exceeded guidelines for the algae, also known as cyanobacteria. However, with more sunshine, warmer water and low flows on the cards, conditions could change over the next 10 days.

Horizons freshwater and science manager Dr Jon Roygard says Horizons is currently studying factors that lead to blue-green algae growth and what causes it to produce toxins in some cases.

“We actually had researchers from NIWA, Cawthron and the University of Canterbury scheduled to look at cyanobacteria mats over the weekend but with such low levels there’s not enough for them to study.

“That’s not to say it won’t come back. As cyanobacteria grows rapidly under the right conditions, we have permanent signage up along the Mangatainoka River at SH 2, the Tokomaru River at Horseshoe Bend and the Manawatu River at Hopelands,” he says.

When blue-green algae does bloom, it appears as a slimy black or dark brown mat on the rocks. Growths can dislodge and float downstream or dry out on gravel at the sides of rivers or streams as water levels drop.

While not all blooms are toxic, toxins produced by the algae can be harmful to people and animals. It is recommended that people avoid using a river or stream should they observe musty-smelling, black slimy mat-like growths on river bed stones as a precaution.

Horizons chief executive Michael McCartney says it’s great to see people getting out and enjoying all the Region has to offer but it is important to remain mindful of the risks.

“We have some wonderful swimming holes in our Region and we encourage people to get out and enjoy themselves this summer. At the same time, we need to be aware that rivers do change and it’s vital to look out for hazards such as blue-green algae, sunken logs, rocks and cliffs.”

People are advised to swim away from cliffs wherever possible and remember the following rules of thumb:

• If the water looks clean and clear and it is a sunny day, it should be safe to swim

• It is safest to wait three days after rain before swimming at river swimming spots

Horizons will continue its summer water quality monitoring programme until the end of April. The latest results are available online via the swim spots section of www.horizons.govt.nz

ENDS

© Scoop Media

 
 
 
 
 
Parliament Headlines | Politics Headlines | Regional Headlines

 

PARLIAMENT TODAY:

Gordon Campbell: On Where Greece Goes From Here

As one candid British commentator tried to come to grips with why his confident prediction of a “Yes” vote in Greece has failed so resoundingly, he said that he’d made that prediction from his own viewpoint – as someone with savings to protect. But most Greek people, he suddenly realised, didn’t have that concern anymore after five years of austerity. Duh. More>>

ALSO:

Post-Cabinet Presser: EQC Reform, Greece & Surplus Stimulation

Prime Minister John key discussed proposals for reform of the EQC act and the Greek economic crisis at a press conference in Wellington. More>>

ALSO:

GCSB/NZSIS: Intelligence And Security Reviewers Seek Public’s Views

“We are seeking public submissions to help us determine what issues to focus on during the review,” says Sir Michael Cullen. “We want to hear your views on what the GCSB and NZSIS should be doing to protect New Zealand and how they should do it.” More>>

Education: Schools Funded To Trial Innovative Approaches

Education Minister Hekia Parata has announced the successful applicants for a new $10 million fund to encourage innovative teaching practices. “I’m delighted with the quality of the 39 projects that have won funding in the first round of the Teacher-led Innovation Fund worth a total of about $2.6 million,” says Ms Parata. More>>

ALSO:

Generation Zero: Skypath Granted Resource Consent

Generation Zero is delighted and relieved that the ‘Skypath’ walking and cycling addition to the Harbour Bridge has been granted resource consent. More>>

ALSO:

Housing: Two New Auckland Special Housing Areas

Two new greenfield Special Housing Areas (SHAs) that will provide up to 1800 new homes in Auckland have been announced today by Building and Housing Minister Dr Nick Smith and Mayor Len Brown. More>>

ALSO:

Royals: The Prince Of Wales And Duchess Of Cornwall To Visit

Prime Minister John Key welcomes today’s announcement that the Prince of Wales and The Duchess of Cornwall will visit New Zealand in November. This will be the second joint visit for Their Royal Highnesses to New Zealand. More>>

ALSO:

Tracey Martin Replaced: Ron Mark Is New New Zealand First Deputy Leader

Clayton Mitchell was the successful candidate for the Associate Whip position. Winston Peters was re-elected as Leader by the Caucus. Ron Mark was elected as the Deputy Leader with effect from 10am, Friday, 3rd July. More>>

ALSO:

Rebuild Rebrand: "Regenerate Christchurch" To Replace CERA

The regeneration of Christchurch will be the city’s focus for the next five years as local leadership progressively takes control of the rebuild, Canterbury Earthquake Recovery Minister Gerry Brownlee says. More>>

ALSO:

Get More From Scoop

 

LATEST HEADLINES

 
 
 
 
 
 
 
 
 
Regional
Search Scoop  
 
 
Powered by Vodafone
NZ independent news