References
- Allan , H.H. 1961 . Flora of New Zealand , Vol. I , Wellington : Government Printer .
- Haase , P. 1985 . Ecological investigation of some subalpine trees and shrubs , Christchurch, , New Zealand : University of Canterbury . Unpublished Ph. D. Thesis
- Haase , P. 1986a . A study of a Libocedrus bidwillii population at Pegleg Flat, Arthur's Pass, New Zealand . New Zealand journal of ecology , 9 : 153 – 156 .
- Haase , P. 1986b . The subalpine forest and scrub flora of Pegleg Flat, Arthur's Pass . Mauri ora , 13 : 45 – 57 .
- Hinds , H.V. and Reid , J.S. 1957 . “ Forest trees and timbers of New Zealand ” . In New Zealand Forest Service bulletin no. 12 , Wellington : Government Printer .
- Holtmeier , F.-K. Mountain environments and subalpine tree growth . Proceedings of IUFRO Workshop . Christchurch, New Zealand. Influence of wind on tree physiognomy at the upper timberline in the Colorado Front Range , Edited by: Benecke , U. and Davis , M.R. pp. 247 – 261 . New Zealand Forest Service technical paper no. 70
- Norton , D.A. 1983 . Population dynamics of subalpine Libocedrus bidwillii forests in the Cropp River Valley, Westland, New Zealand . New Zealand journal of botany , 21 : 127 – 134 .
- Norton , D.A. and Schonenberger , W. 1984 . The growth forms and ecology of Nothofagus solandri at the alpine timberline, Craigiebum Range, New Zealand . Arcticand alpine research , 16 : 361 – 370 .
- Sakai , A. and Wardle , P. 1978 . Freezing resistance in New Zealand trees and shrubs . New Zealand journal of ecology , 1 : 51 – 61 .
- Tranquillini , W. 1979 . Physiological ecology of the alpine timberline , Berlin : Springer-Verlag .
- Veblen , T.T. and Stewart , G.H. 1982 . On the conifer regeneration gap in New Zealand: The dynamics of Libocedrus bidwillii on South Island . Journal of ecology , 70 : 413 – 436 .
- Wardle , P. 1960 . The subalpine scrub of the Hokitika Catchment, Westland . Transactions of the Royal Society of New Zealand , 88 : 47 – 61 .
- Wardle , P. 1963 . Growth habits of New Zealand subalpine shrubs and trees . New Zealand journal of botany , 1 : 18 – 47 .
- Wardle , P. 1965 . A comparison of alpine timberlines in New Zealand and North America . New Zealand journal of botany , 3 : 113 – 135 .
- Wardle , P. 1967 . Biological flora of New Zealand. 2. Nothofagus menziesii (Hook. f.) Oerst. (Fagaceae) silver beech . New Zealand journal of botany , 5 : 276 – 302 .
- Wardle , P. 1969 . Biological flora of New Zealand. 4. Phyllocladus alpinus Hook. f. (Podocarpaceae) Mountain toatoa, celerypine . New Zealand journal of botany , 7 : 76 – 95 .
- Wardle , P. 1971 . An explanation for alpine timberline . New Zealand journal of botany , 9 : 371 – 402 .
- Wardle , P. 1974 . “ Alpine timberlines ” . In Arctic and alpine environmentsrf]bk , Edited by: Ives , J.D. and Barry , R.B. 371 – 402 . London : Methuen .