New Zealand Journal of Botany abstract

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Phyllocladus aspleniifolius : Phenology, germination, and seedling survival

P. C. J. BARKER

Forestry Tasmania
PO Box 207b
Hobart, 7001, Australia

Abstract  The timing of foliar and sexual development of Phyllocladus aspleniifolius (Gymno-spermae: Podocarpaceae) were recorded at Mt Field in Tasmania. Seed fall, germination, and survival were monitored in different regions of Tasmania. The timing of pollen release and cone development in P. aspleniifolius indicates that gene-flow between populations is possible and may provide the genetic diversity to support the wide altitudinal range of this species. P. aspleniifolius produced variable amounts of seed between the sites and between years. Germination and survival were not favoured by substrate disturbance. The number of germinants two springs after seed fall reflected the variation in annual seed production and suggests that pulses in regeneration are likely although soil-stored seed and immigrant seed may offset this effect.

Keywords  Phyllocladus aspleniifolius; phenology; germination; foliar; cone; bud; pollen; mast; seed

New Zealand Journal of Botany, 1995, Vol. 33: 325-337

0028-825X/95/3303-0325 $2.50/0 (c) The Royal Society of New Zealand 1995

PDF file of entire paper: medium quality (693K); (scanned from paper original: notes about this process)

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