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Just when it could be thought that the ecology of these lakes could be given the opportunity to recover, following good winter rains and the breaking of the years of drought, AAT believes that this opportunity could be in serious danger.
We urge all Clubs and individuals to write or email Minister Llewellyn on this matter based on the information below:
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Fish & Game New Zealand has urged caution around Federated Farmers’ Water Spokesperson Hugh Ritchie’s claim that water storage is ‘one of the magic bullets’.
“Water storage is not necessarily ‘a winner for the whole community,” said Bryce Johnson, Chief Executive Fish & Game New Zealand. He adds:
The key concern is the adverse environmental effects of changed land use ‘down stream’ of the storage scheme which Federated Farmers don’t address.
Assuming the catchment’s current in-stream ecological and recreational amenity values are retained, fish passage is provided and provision is made for adequate flushing flows, there still remains the crucial issue of the adverse effects of intensified agriculture utilising the stored water.
These adverse downstream effects are well understood, are cumulative and can be significant. Increased irrigation and intensification means increased stocking rates and fertiliser applications, which result in increased effluent, sediment and nutrient run-off into rivers, streams and aquifers that are often already suffering reduced flows.
The cumulative effects of large scale irrigation on the recreational, ecological, community and cultural values of down stream waterways can be major.
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