REPORT ON NORTHERN RATA DIEBACK-MINGINUI FACES Prepared for Department of Conservation (BOP) Department of Conservation Field Evaluation REPORT ON NORTHERN RATA DIEBACK-MINGINUI FACES

Gordon Hosking, Forest Group
1994 unpublished
Although aerial canopy inspection and ground assessment failed to reveal clear evidence of possum involvement in the decline of northern rata on the Minginui faces, detailed examination of canopy samples provided quite a different picture. Very high numbers of dead fine twigs showing terminal damage, and residual possum damaged foliage, on rata, kamaki, tawa and red beech are compelling evidence of recent, but not current, severe possum damage. Seasonality of activity in relation to the timing
more » ... tion to the timing of control needs to be clarified, and baselining of current crown condition needs to be established.