ISSN 0035-922X 
Journal of the Royal Society 
of Western Australia 
CONTENTS 
Page 
GPS-geodetic deformation monitoring of the south-west 
seismic zone of Western Australia: review, 
description of methodology and results from 
epoch-one. W E Featherstone, N T Penna, M Leonard, 
D Clark, J Dawson, M C Dentith, D Darby & R McCarthy 1 
Distribution and Abundance of Benthic Macroalgae in 
the Swan-Canning Estuary, South-Western Australia. 
H L Astill & P S Lavery 9 
The occurrence and impact of Phytophthora cinnamomi in 
the central-western Avon Wheatbelt bioregion of Western 
Australia. L W Sage, P A Blankendaal, A Moylett & K Agar 15 
Vegetation and flora of a diverse upland remnant of 
the Western Australian wheatbelt (Nature Reserve 
A21064). F J Obbens & L W Sage 19 
Volume 87 Part 1 
March 2004 
ii 
k 
