ACCLIMATISATION
CHRISTCHURCH, December 6. Reporting to the Canterbury Acclimatisation Society on 'a recent conference of the Fresh Water Fish Research Committee, t° which he was a dele gate, Mr McDonald said he had urged that there was already sufficient fooc for fish in the rivers, without th e committee’s endeavour to place more into the .water. He thought that the R ,e search Committee had very little to show for it?! thre e years work. He had asked Professor Revival, of the committee, why the rainbow trout in inland water deteriorated and had been told that it was- not definitely known. Professor Percival had 'attributed the poorness of brown trout f° deforestation.
This could not be so all over New Tenland, said Mr McDonald, at; all people knew that afforestation, had taken place in Canterbury, and yet the fish were deteriorating just as m\h as in other parts. Mr Phillips of -the Research Committee, had attributed the poorness of fi?h to the transport facilities afforded to alngler-s. In earlier year s the fish had been able to grow in back waters in the hills, but now all waters were accessible to the angler. The Research Committee had made it plain when it" first commenced work that it might be able to .help aftglers, bu + it did not definitely promise 'any results. Certainly there -had been no results yet, said Mr 'McDonald, The report of the committee, read at the conference, had stated that it was necessary to gather data in connection with the scales of trout before anything in the way of practical application could 'be done.
The committee had laid stress on the theory that varying temperatures were responsible for the deterioration in fifh. The speaker felt that this was rather futile, as all anglers knew that fish were found in all temperatures and grew equally well everywhere. One of the only remedies so far put forward was that th e hours of fishing should be limited. This wan practically all that th e committee had suggested after three years of work.
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Hokitika Guardian, 8 December 1932, Page 7
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343ACCLIMATISATION Hokitika Guardian, 8 December 1932, Page 7
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