Zealandia lake being drained to remove perch
The lower reservoir at Zealandia is being drained this month to remove around a tonne of unwanted fish, which are eating native species and throwing the ecosystem off balance.
Perch were introduced to Roto Kawau, the lower part of an existing man-made reservoir, more 140 years ago, by people wanting to create fishing opportunities.
Zealandia will use a combination of Lowering water levels, poison and electric shocks to deal with the fish.
Poll: Do you set New Year’s resolutions?
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21.5% Yes - but I rarely stick to them
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68.1% Nah - not for me
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