Flora survey for Hamersley Drive recreation - Environmental ...

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FRNP Improvement Project: Culham Inlet to Hamersley Inlet GF Craig– July 2010 Hakea hookeriana A robust shrub that grows to about 2 m high which grows on shallow sand over outcropping quartzite adjacent to the coast. It is endemic to the FRNP and is known from the platform west of West Beach, Thumb Peak and Two Bump Hill. It has previously been collected near Hamersley Drive on the east of East Mt Barren (WAHERB), close to the unburnt/ burnt 2006 boundary. H. hookeriana was not found in this survey – the known plant/s were probably burnt in 2006 thus only seedlings would be present. Seedlings would be difficult to identify from the similar Hakea pandanicarpa subsp. crassifolia which may also grow in the area. No. Plants % EMB population 18 % all populations Hamersley Drive upgrade nil seen unknown unknown East Mt Barren ? 1 Thumb Peak 100+ 1 Two Bump Hill 50+ 1 Robinson & Coates 1995 Jacksonia compressa A species that is widespread in the FRNP, and known from West Mt Barren, Mid Mt Barren, Woolbernup Hill and East Mt Barren. It was frequent and widespread in the survey area, particularly on disturbed road verges. Hundreds of plants will be impacted by the road upgrade, but J. compressa appears to readily reestablish following disturbance. Areas burnt in 2006, including a small subpopulation near Cave Point, may not have developed an adequate seed bank for regeneration. No. Plants % all populations FRNP Improvement Project 1,900 est.
FRNP Improvement Project: Culham Inlet to Hamersley Inlet GF Craig– July 2010 Leucopogon compactus A low shrub, with compact ‘pom-pom’-like heads of compact white flowers which is known to frequent coastal scrub heaths in the FRNP. A large population of several thousand plants is known from Quoin Head. During this project, the largest population was found growing along West Beach road in a Dryandra quercifolia [Dque] vegetation unit. A few plants were located further to north-west, adjacent to Hamersely Drive in the Eucalyptus angulosa/ E. falcata [Eang/Efal] vegetation unit. It is not expected to be significantly impacted by road upgrades. Melaleuca papillosa No. Plants % all populations FRNP Improvement Project 25+ unknown Hamersley Inlet to Culham Inlet unknown A species endemic to the FRNP which forms shrub thickets on schist on valley slopes. It covers large areas west of Mylies Creek, and huge patches of flowering plants could be seen extending for hundreds of metres north of Hamersley Drive plus on slopes behind West Beach. These have been mapped as their own vegetation unit [Mpap], a total of 64 ha (see Appendix 3). Seedlings were regenerating in areas that had been burnt in 2006 and an earlier fire (?1989) – apparently a very slow growing species. It is recommended that this species be deleted from the Priority Flora list. No. Plants % FRNP population Hamersley Drive upgrade 2,000+ est.
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Flora survey for Hamersley Drive recreation - Environmental ...

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