Same with Sika. In the Ecology creek they got to plague proportions and got thinner and thinner and started dying. Then the population sort of settled. They did some damage to the bush in the mean time though. This was maybe 1985-90.
It was referred to as "Sika Die Back" by DOC and occurred right through that upper Rangatikei river area but the Ecology seemed to be the worst.
No natural predators except man.
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