A broad brush-stroke test of an assumption: does increasing Callitris cover reduce native species richness (species density)?

  • Does an increase in the cover/abundance of Callitris glaucophylla or Callitris endlicheri affect the number of species recorded in plots (species density) or do other factors such as altitude or logging, fire or grazing history have greater explanatory power? This was tested using survey data from 1351 plots from northern New South Wales. Altitude was found to have the greatest explanatory power in predicting the number of species per plot. Increasing cover/abundance of Callitris glaucophylla was found to be positively correlated with increasing species density. Fire was found to have a minor negative effect on species density in Callitris glaucophylla stands and grazing a small positive correlation in Callitris endlicheri stands.

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Author:John T. Hunter
Parent Title (English):Cunninghamia : a journal of plant ecology for eastern Australia
Publisher:Mount Annan Botanic Garden, The Administration Officer
Place of publication:Mount Annan, NSW
Document Type:Article
Date of Publication (online):2013/04/05
Year of first Publication:2011
Publishing Institution:Universit├Ątsbibliothek Johann Christian Senckenberg
Release Date:2013/04/05
Page Number:4
First Page:115
Last Page:118
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 58 Pflanzen (Botanik) / 580 Pflanzen (Botanik)
Sammlungen:Sammlung Biologie / Sondersammelgebiets-Volltexte
Zeitschriften / Jahresberichte:Cunninghamia : A Journal of Plant Ecology for Eastern Australia / Cunninghamia : A Journal of Plant Ecology for Eastern Australia, Volume 12, Issue 2 (2011)
Licence (German):License LogoDeutsches Urheberrecht