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Across western New South Wales agricultural practices have led to significant changes in the distribution and abundance of many native plant species. These changes have occurred due to past clearing practices and the introduction of grazing and pest animals. It is likely that such changes have affected the distribution of plant species used by Aboriginal peoples, and that formerly rich plant resource areas may also have changed. Here an attempt is made to map contemporary high aboriginal plant resource areas in the Yantabulla area (lat 29° 55’S, long 150° 37’E) of far western New South Wales, using kriging interpolation. High aboriginal plant usage resource areas were not found to be correlated with any particular vegetation assemblage, although Lignum Shrublands comparatively had the lowest scores. Site species richness was correlated strongly with sites of high abundance of aboriginal resource use. It is hoped that by identifying contemporary high resource locations, new understandings of the landscape can be developed by traditional owners and conservation land managers.
A survey of the population of the parasitic herb Thesium australe R.Br. (family Santalaceae) in Booroolong Nature Reserve, northwest of Armidale, found it was restricted to an eastern facing lower slope on metasediments, within regenerating grassy woodland of Eucalyptus nova-anglica H.Deane & Maiden (New England Peppermint) and a predominantly Themeda triandra Forssk. (Kangaroo Grass) and Sorghum leiocladum (Hack.) C.E.Hubb. (Native Sorghum) understorey. The population is in two clusters over a total area approximately 260 m long by 40 m wide and was estimated to be about 800 individuals at the time of survey (May 2014). Current threats include a maintenance trail, erosion of creek bank, stray cattle and sheep, rabbits and Rubus anglocandicans A.Newton (Blackberry) invasion. It is recommended that further searches be conducted and that monitoring occur on a regular basis using the permanently marked sites and methodology used in this survey.
Naree and Yantabulla stations (31,990 ha) are found 60 km south-east of Hungerford and 112 km north-west of Bourke, New South Wales (lat. 29° 55'S; long. 150°37'N). The properties occur on the Cuttaburra Creek within the Mulga Lands Bioregion. We describe the vegetation assemblages found on these properties within three hierarchical levels (Group, Alliance & Association). Vegetation levels are defined based on flexible UPGMA analysis of coverabundance scores of all vascular plant taxa. These vegetation units are mapped based on extensive ground truthing, SPOT5 imagery interpretation and substrate. Three ‘Group’ level vegetation types are described: Mulga Complex, Shrublands Complex and Floodplain Wetlands Complex. Within these Groups nine ‘Alliances’ are described: Rat’s tail Couch – Lovegrass Grasslands, Canegrass Grasslands, Lignum – Glinus Shrublands, Coolibah – Black Box Woodlands, Turpentine – Button Grass – Windmill Grass Shrublands, Turpentine – Hop Bush – Kerosene Grass shrublands and Mulga Shrublands. Sixteen ‘Associations’ are described 1) Mulga – Poplar Box Shrubland, 2) Mulga – Poplar Box – Bastard Mulga Shrubland, 3) Turpentine – Hop Bush – Senna Shrubland, 4) Turpentine – Elegant Wattle – Boobialla Shrubland, 5) Turpentine – Hop Bush – Daisy Bush Shrubland, 5) Belah – Rosewood – Turpentine Bush Shrubland, 6) Belah – Rosewood – Turpentine Bush Shrubland, 7) Ironwood – Leopardwood – Supplejack Shrubland, 8) Yapunyah – Black Box – River Cooba Woodland, 9) Coolibah – River Cooba – Yapunyah Woodland, 10) Rat’s tail Couch – Lovegrass – Fairy Grass Grassland and Herbfield, 11) Rat’s tail Couch – Lovegrass – Purslane Grassland and Herbfield, 12) Darling Pratia – Rat’s tail Couch – Spike Rush Herbfield, 13) Canegrass Grassland, 14) Glinus – Groundsel – Lignum Herbfield, 15) Poplar Box – Mulga – Coolibah Woodland and 16) Black Box Woodland. In total 355 vascular plant taxa were found of which 6% were considered exotic in origin. A population of Dentella minutissima; a species listed as threatened (endangered) under the New South Wales Threatened Species Conservation Act 1995 was found. A summary of select structural and habitat attributes within Alliances is also presented.
The vegetation of Basket Swamp National Park (2820 ha), 30 km north east of Tenterfield (28°54’S, 152°09’E) in the Tenterfield Shire, in the Northern Tablelands Bioregion NSW, is described. Seven vegetation communities are mapped based on survey of plots, subsequent ground-truthing, air photo interpretation and substrate.
Communities described are: (1) Eucalyptus campanulata (Blackbutt) – Eucalyptus cameronii (Diehard Stringybark) Open Forests, (2) Eucalyptus campanulata (Blackbutt) – Eucalyptus cameronii (Diehard Stringybark) Grassy Open Forests, (3) Leptospermum trinervium (Tea-tree) – Leptospermum polygalifolium subsp. transmontanum (Creek Tea-tree) Riparian Scrub, (4) Leptospermum trinervium (Tea-tree) – Kunzea obovata (Pink Kunzea) – Leptospermum novae-angliae (New England Tea-tree) Heaths & Shrublands, (5) Ceratopetalum apetalum (Coachwood) – Lophostemon confertus (Brush Box) Closed Forest, (6) Eucalyptus obliqua (Messmate) – Eucalyptus campanulata (Blackbutt) Tall Open Forests, and (7) Baeckea omissa (Baeckea) – Baloskion stenocoleum (Sedge) Heathy Sedgelands.
All but two communities (3 & 7) were considered adequately reserved locally, no listed endangered or vulnerable communities were found. Thirty-six taxa were considered to be of conservation significance of which two are listed as vulnerable on Schedule 2 of the NSW TSC Act.A further nine have been reported under the RoTAP criteria.
The vegetation of Arakoola Nature Reserve (3189 ha), 29°17’S, 150°48’E, 100 km north-west of Inverell, in north western New South Wales is described. Seven vegetation communities are defined based on flexible UPGMA analysis of cover-abundance scores of all vascular plant taxa. These communities are mapped based on ground-truthing, air photo interpretation and geological substrate. They are: Community 1: Eucalyptus albens (White Box) – Eucalyptus melanophloia (Silver-leaved Ironbark) Basalt Woodland, Community 2: Angophora leiocarpa (Smooth-barked Apple) – Corymbia dolichocarpa (Long-fruited Bloodwood) Sandstone Woodland, Community 3: Angophora leiocarpa (Smoothbarked Apple) – Eucalyptus macrorhyncha (Red Stringybark) Woodland, Community 4: Chloris truncata (Windmill Grass) Grassland, Community 5: Herbfield/Sedgeland, Community 6: Eucalyptus camaldulensis (Red Gum) – Eucalyptus melliodora (Yellow Box) Riparian Woodland, Community 7: Angophora floribunda (Rough-barked Apple) – Callistemon viminalis (Weeping Bottlebrush) Riparian Woodland.
There are 23 taxa considered significant within Arakoola Nature Reserve including the twining herb Desmodium campylocaulon and the shrub Pomaderris queenslandica (listed as Endangered under the NSW Threatened Species Conservation Act), and the grasses Dichantheum setosum and Bothriochloa biloba, and the perennial herbs Goodenia macbarroni and Thesium australe (all listed as Vulnerable under the TSC Act). A comprehensive species list of about 450 plant species is given for the Nature Reserve.
The vegetation of Ironbark Nature Reserve (1603 ha) and Bornhardtia Voluntary Conservation Agreement (704 ha), 75 km north west of Armidale, 30 km north east of Barraba (30°19’S, 150°53’E) in the Barraba Shire, in the Northern Tablelands Bioregion NSW, is described. Eleven communities are defined based on flexible UPGMA analysis of coverabundance scores of all vascular plant taxa. These communities are mapped based on ground truthing, air photo interpretation and substrate. All communities are simple in structure being primarily of woodlands or shrublands.
Communities described are: (1) Eucalyptus macrorhyncha (Red Stringybark) – Eucalyptus blakelyi (Red Gum) Woodlands, (2) Eucalyptus caleyi (Caley’s Ironbark) – Eucalyptus andrewsii (Western New England Blackbutt) Woodlands, (3) Eucalyptus prava (Orange Gum) – Eucalyptus andrewsii (Western New England Blackbutt) Woodlands, (4) Eucalyptus dealbata (Tumbledown Gum) – Eucalyptus caleyi (Caley’s Ironbark) Woodlands, (5) Eucalyptus prava (Orange Gum) – Eucalyptus blakelyi (Red Gum) Woodlands, (6) Eucalyptus quinniorum (Quinn’s Gum) – Eucalyptus prava (Orange Gum) Forests, (7) Angophora floribunda (Rough-barked Apple) – Eucalyptus blakelyi (Red Gum) Woodlands, (8) Casuarina cunninghamiana (River Oak) – Eucalyptus blakelyi (Red Gum) – Angophora floribunda (Apple) Forests, (9) Calytrix tetragona (Fringe Myrtle) – Ozothamnus obcordatus (Daisy Bush) Open Shrublands, (10) Homoranthus bornhardtiensis Open Shrublands and (11) Leptospermum polygalifolium (Tea-tree) Wetland.
All communities described here are inadequately represented in the conservation network with one (White-Box – Yellow-Box – Blakely's Red Gum Woodland) listed as endangered on the NSW TSC Act. Both conservation areas and neighbouring parcels of land contain extensive areas of little disturbed high quality "old growth". 38 species are of conservation significance of which one is listed as Vulnerable and one Endangered on the NSW TSC Act. The broader remnant is under increasing pressure for clearing for grazing production and the combined area of both reserves is considered to be inadequate to protect the significant features of the local region.
A brief assessment is made of the adequacy of the formal conservation reserve network within the Inverell and Yallaroi Shires, around Inverell and Warialda, northern New South Wales. The current reserve network consists of two National Parks (Kings Plains & Kwiambal) and three Nature Reserves (Arakoola, Planchonella & Severn River), sampling 2% of the area of the two shires. 62% of the known vascular plant taxa (746 native, 144 exotic) have been recorded within the five reserves, including 27 of the 48 taxa listed as rare or threatened within the shires. Of 30 vegetation communities found within the five reserves, only 13 were considered adequate in terms of extent or condition. Of 18 communities found on basalt, limestone or alluvial soils, only 12% of their area was considered to be good quality stands. 26 communities were only represented in one reserve. Nine Endangered Ecological Communities are listed for the two shires, only four of which are within the formal reserves. The capture and status of assemblages and flora within the five reserves in the Inverell and Yallaroi Shires is inadequate and many of the species and communities contained warrant additional conservation within the formal conservation network.
The vegetation of Burnt Down Scrub Nature Reserve, 15 km south west of Baryugil in the Parish of Carnham on the North Coast of New South Wales is described. A floristic survey of 28x0.04 ha plots was conducted in December of 1999. Five communities are defined based on flexible UPGMA analysis of abundance scores of vascular plant taxa. These communities are mapped based on ground truthing, air photo interpretation and substrate.
A total of 355 vascular plant taxa was recorded including four species listed as rare or threatened: Marsdenia liisae, Olearia heterocarpa, Sarcochilus weinthalii and Tinospora smilacina. This paper describes the communities and discusses their significance and distribution within the Nature Reserve. A vegetation map and species list are provided.
The vegetation of Mount Canobolas State Recreation Area (1673 ha), 14 km southwest of Orange (33°21’S, 154°59’E) in the Shire of Cabonne on the Central Tablelands of New South Wales is described. A floristic survey of 50x0.04 ha plots was conducted in November 1999. Seven communities are defined based on flexible UPGMA analysis of abundance scores of vascular plant taxa. Mapping of these communities is based on ground truthing, air photo interpretation and substrate. A total of 309 taxa was recorded including two species listed under the NSW Threatened Species Conservation Act 1995: Eucalyptus canobolensis and Eucalyptus saxicola. Additionally the reserve contains the Mount Canobolas Xanthoparmelia lichen community recently listed on the NSW Threatened Species Conservation Act 1995. This paper describes the seven communities and discusses their significance and distribution within the Recreation Area. A vegetation map and species list are provided.
The first collections of Eucalyptus cannonii were made by R.T. Baker in 1892, during collecting trips to the Rylstone and Goulburn River areas. Although Baker (1896) made numerous notes on many of the plants collected at that time, he made no remarks on the variation in Eucalyptus macrorhyncha (which then included Eucalyptus cannonii) despite claiming so in his later description of the taxon (Baker 1919).
Recognition of the variation shown in what was to become Eucalyptus cannonii was given by Maiden (1907) in his "Critical revision of the genus Eucalyptus" (as Eucalyptus macrorhyncha "grandiflora" form). Maiden highlighted the collections made by Baker from Rylstone and Mt Vincent as being coarser in form with a very prominent rim.
Baker (1919) described this taxon as Eucalyptus cannonii, named after Herbarium assistant Mr D. Cannon. Despite Maiden's comments, Baker (1919) indicated that data presented to him by Mr G. Harris (collector of the material cited by Baker) convinced him of the distinctiveness of the taxon. Eucalyptus cannonii was separated from Eucalyptus macrorhyncha on the shape of the fruit, buds, inflorescence and features of the timber and bark.
Penfold and Willis (1961) considered Eucalyptus cannonii to be distinctive local race of E. macrorhyncha and Johnson and Blaxell (1973) reduced E. cannonii to a subspecies of E. macrorhyncha, based on the intergradation where their ranges overlap. Hill (1991) retained specific status for Eucalyptus cannonii.