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Lake Horowhenua’s Environmental Health Progressing Well
Work to restore Lake Horowhenua's environmental health, which has been progressing well since the establishment of the Lake Horowhenua Accord in 2013, will increase in momentum later this year following a High Court decision.

The Court’s decision was to dismiss an appeal made by the Hokio Trust, allowing Horizons Regional Council’s weed harvester to undergo a test harvest on the Lake this Spring.

Horizons natural resources and partnerships group manager Dr Jon Roygard says weed harvesting has been identified by NIWA as the key intervention to reduce the toxic effects of the Lake on aquatic life and recreation.

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A Sound Way to Keep Out Invasive Carp? - University of Minnesota researcher Peter Sorensen and his team, including doctoral student Dan Zielinski, have discovered that the carp are sensitive to — and annoyed and deterred by — sounds not heard by most other fish. This information could be the key to stop the spread of bighead and silver carp in the Mississippi River.

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