Stand Structure, Reproductive Activity and Sex Expression in Huon Pine (Lagarostrobos franklinii (Hook L.) Quinn.)

Alison Shapcott; M J Brown; J B Kirkpatrick; J B Reid

doi:10.2307/2845833

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Stand Structure, Reproductive Activity and Sex Expression in Huon Pine (Lagarostrobos franklinii (Hook L.) Quinn.)

Journal article

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Stand Structure, Reproductive Activity and Sex Expression in Huon Pine (Lagarostrobos franklinii (Hook L.) Quinn.)

Alison Shapcott, M J Brown, J B Kirkpatrick and J B Reid

Journal of Biogeography, Vol.22(6), pp.1035-1045

1995

DOI: https://doi.org/10.2307/2845833

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Abstract

Physical Geography and Environmental Geoscience

Geology

spatial autocorrelation

reproduction

sex ration

Podocarpaceae

regeneration

The nature and variability of stand structure, reproductive activity and sex expression were investigated in natural populations throughout the geographic and ecological range of Lagarostrobos franklinii, a Tasmanian endemic rainforest tree in the family Podocarpaceae. Size-class distributions adn tree densities were variable among sites. Overall, 30% of trees produced cones, but several populations deviated significantly from this percentage. Larger trees were more likely to produce cones than smaller trees. Stand structure and light availability appeared to have an effect on the proportions of trees producing cones. Cone-producing trees tended to be clumped within stands. Overall there were equal proportions of male and female trees, and approximately 4% of cone-producing trees were monoecious. There were however some populations with greater proportions of one sex. Similarity in the proportions of females in populations was correlated with similarities in their floristic composition. Trees of like gender tended to be clumped at short distances within populations.

Details

Title: Stand Structure, Reproductive Activity and Sex Expression in Huon Pine (Lagarostrobos franklinii (Hook L.) Quinn.)
Authors: Alison Shapcott (Author) - University of Tasmania
M J Brown (Author) - Tasmanian Forestry Commission
J B Kirkpatrick (Author) - University of Tasmania
J B Reid (Author) - University of Tasmania
Publication details: Journal of Biogeography, Vol.22(6), pp.1035-1045
Publisher: Wiley-Blackwell Publishing Ltd.
Date published: 1995
DOI: 10.2307/2845833
ISSN: 0305-0270
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering; Centre for Bioinnovation
Language: English
Record Identifier: 99448946502621
Output Type: Journal article

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