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Guest post by Dave Rhodes Across the country, pine plantations - and in some places, wilding pines spreading far beyond plantation boundaries - are reshaping New Zealand’s landscapes. For freshwater anglers, river ecologists, and anyone who cares about the health of streams and aquifers, that change is not benign. … Continue reading
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Across Canterbury, and in other intensive-farming regions, people have been quietly drinking water with elevated nitrate levels for decades. Now the science is catching up – and it makes for grim reading. International studies show that long-term exposure to nitrates in drinking water is associated with a significantly higher … Continue reading
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Commentary by Andi Cockroft, Chair, CORANZ Lessons from British Columbia for New Zealand** In British Columbia, Canada, something remarkable is happening. In places where open-net pen salmon farms have been removed from key migration routes, many wild salmon runs are beginning to rebound. At the same time, … Continue reading
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Compiled by CORANZ Environment Canterbury (ECan), has carried a motion to declare a nitrate emergency at its final meeting recently. But the vote was narrowly carried — nine for, seven against — indicating some councillors are in a state of denial. The motion from Councillor Vicky Southworth called on ECan “to take a leadership role … Continue reading
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Guest post by Dave Rhodes Why New Zealand Cannot Ignore the Global Warning on Trifluoroacetic Acid (TFA)** For years, we have raised alarms about chemical contamination in our rivers, lakes and soils. From pesticides in groundwater to nitrates in drinking water, the story has been depressingly familiar: issues appear overseas … Continue reading
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Guest post by Andi Cockroft, Chair, CORANZ Prompted by this RNZ article I decided to write this short note: Public debate has recently been stirred by claims that marine fish are “moving south” as northern waters warm. The suggestion is often that adult fish are packing up … Continue reading
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Guest Post by Dave Rhodes 🐟 What’s the problem? A major national report published recently warns that several whitebait species are at serious risk because of declining waterway health. (RNZ) inanga, kōaro, banded kōkopu, giant kōkopu, and shortjaw kōkopu all in decline In short: it’s not just about … Continue reading
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Guest Post by Dave Rhodes Visitors to Rotorua are used to a certain smell. The geothermal sulphur haze is part of the city’s character. But recently another odour has taken over the lakefront - the stench of rotting aquatic weed and dead fish. While the media focus has been on the impact to lakeside cafés, … Continue reading
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Guest Post by Andi Cockroft, Chair, CORANZ 1. The Government’s Announcement In mid‑2025 the New Zealand Government announced a sweeping shake‑up of local government: elected regional councils are to be abolished. In their place will be newly created Combined Territories Boards (CTBs), made up of the mayors from each city … Continue reading
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A Guest Opinion from Andi Cockroft, Charman, CORANZ Introduction: A Standout Asset Under Pressure New Zealand’s reputation as a world-class destination for freshwater angling is firmly established. From the braided rivers of the South Island to remote alpine lakes, overseas anglers are drawn to clear water, trophy trout, and the experience of fishing … Continue reading
