Pattern of how parakeets responded to logging in Rowallan forest. Birds showing a similar reaction to logging are pigeon, rifleman, kaka (pictured) and yellowhead. The decline in bird counts comes about because the old trees with nesting holes have been removed. Even after 25 years very few of these birds are recorded in logged forests. (from Beech management — its effect on bird population, by Eric Spurr, Forest Research Institute).
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https://paperspast.natlib.govt.nz/periodicals/FORBI19880201.2.20.3
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Forest and Bird, Volume 19, Issue 1, 1 February 1988, Page 19
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69Pattern of how parakeets responded to logging in Rowallan forest. Birds showing a similar reaction to logging are pigeon, rifleman, kaka (pictured) and yellowhead. The decline in bird counts comes about because the old trees with nesting holes have been removed. Even after 25 years very few of these birds are recorded in logged forests. (from Beech management — its effect on bird population, by Eric Spurr, Forest Research Institute). Forest and Bird, Volume 19, Issue 1, 1 February 1988, Page 19
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