• Login
    View Item 
    •   Home
    • Massey Documents by Type
    • Theses and Dissertations
    • View Item
    •   Home
    • Massey Documents by Type
    • Theses and Dissertations
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Some aranuian (postglacial) organic deposits in the south eastern Ruahine Range, North Island, New Zealand, investigated by palynological methods : a thesis presented in partial fulfilment of the requirements for the Degree of Master of Science in Geography at Massey University

    Icon
    View/Open Full Text
    01_front.pdf (1013.Kb)
    02_whole.pdf (20.53Mb)
    Export to EndNote
    Abstract
    Palynological methods have been used to investigate Aranuian organic deposits in the south eastern Ruahine Range. The relevant literature was reviewed. Six profiles from five sites ranging in altitude from 80 to 1050 metres and from 13,300 years B.P. to present were sampled and the pollen analysed. Investigation of the palaeoecology of each site included the geomorphology, stratigraphy, present vegetation and pollen rain where relevant. The pollen data as percentages of several pollen sums was presented in pollen diagrams, statistically analysed and an interpretation suggested. An investigation of pollen rain in the Kahuterawa Valley in the Tararua Range and on Mount Ruapehu was made to obtain information on present podocarp-broadleaf forests and about Weinmannia racemosa in particular. The results indicated a succession of dominants, including W. racemosa over a period of up to 1000 years. This information was used in interpreting the pollen spectra of the fossil sites. All sites were reviewed as part of an Aranuian series. It was concluded that a climatic change from a drier cooler climate to a warmer moister one occurred between 13,300 ± and 10,650 (provisional date only). A more equable climate than at present possibly occurred between 3200 ± and 3770 ± with fewer frosts and droughts.These findings are in general agreement with those of palynologists at sites in other parts of New Zealand. Other aspects of climatic change erosional history, plant-land relationships and species representation have been discussed. The decline of W. racemosa at the West Tamaki site was part of a natural stage in the life cycle and not caused by the browsing of the opossum.
    Date
    1981
    Author
    Lees, Cynthia M
    Rights
    The Author
    Publisher
    Massey University
    URI
    http://hdl.handle.net/10179/7378
    Collections
    • Theses and Dissertations
    Metadata
    Show full item record

    Copyright © Massey University
    | Contact Us | Feedback | Copyright Take Down Request | Massey University Privacy Statement
    DSpace software copyright © Duraspace
    v5.7-2020.1-beta1
     

     

    Tweets by @Massey_Research
    Information PagesContent PolicyDepositing content to MROCopyright and Access InformationDeposit LicenseDeposit License SummaryTheses FAQFile FormatsDoctoral Thesis Deposit

    Browse

    All of MROCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CollectionBy Issue DateAuthorsTitlesSubjects

    My Account

    LoginRegister

    Statistics

    View Usage Statistics

    Copyright © Massey University
    | Contact Us | Feedback | Copyright Take Down Request | Massey University Privacy Statement
    DSpace software copyright © Duraspace
    v5.7-2020.1-beta1