Threatened species & ecological communities

Zieria granulata (Illawarra Zieria) Recovery Plan

NSW Department of Environment and Conservation, 2005
ISBN: 1 7412 2143 9

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Appendix 5: Interim assessment of relative conservation significance for Zieria granulata sites

The following assessment of relative conservation significance for Zieria granulata sites has been undertaken to assist in prioritising sites for the allocation of the limited resources associated with this recovery program. Using the information available in December 2003, each site has been assessed against the criteria outlined in Section 8.4 of the recovery plan.

It should be noted that the assessment is a broad brush attempt to develop recovery priorities for the species based on limited data. Site specific assessments against ALL the criteria listed in Section 8.4 of the recovery plan should be undertaken before decisions regarding the future management of individual sites are made.

It should also be noted that the level of information known about the ecology and biology of Z. granulata and the present status of sites is insufficient for the sites to be ranked in order of significance and this is NOT the intention of this assessment. This assessment is NOT to be used in statutory environmental impact assessment processes where the significance of particular site is required to be assessed holistically (including consideration of the presence of other listed threatened species, EECs etc) and to a greater level of detail.

For the purposes of this assessment, sites are considered to be of greater conservation significance if they exhibit one or more of the following features:

Large area of habitat

Sites located within large areas of intact bushland are considered to be of greater significance. This is because such areas are considered more likely to provide the ecosystem services necessary to support a viable population of the species in the long term than smaller isolated remnants. Habitat size has also been used as a surrogate measure of habitat condition in this assessment. This is based on the assumption that large areas of intact habitat are less likely to be subject to degradation (and therefore have a greater management potential) than smaller isolated remnants. For the purposes of this assessment, sites located within intact bushland with an arbitrary minimum width of 500 metres are considered to be of greater significance. Any future assessments at an individual site level must also take into account the condition and connective importance of the habitat and the likelihood of ameliorating any existing threatening processes.

High number of plants present

Sites containing more than 10 plants are considered to be of greater significance. Any future assessments at an individual site level must also take into account the potential size of the soil seed bank.

Location in relation to the current distributional limits of the species

Sites located within 1.5 km of the distributional limits of the species are considered to be of greater significance.

Uniqueness of habitat

Sites located in habitats that are present at less than 10% of sub-sites are considered to be of greater significance.

Proportion of the local population represent

Sites containing more than 5% of the local population of the species are considered to be of greater significance.

Interim assessment of the relative conservation significance of Zieria granulata sites
Site Code Location Habitat size Plant no.s Location Habitat type % of local pop.
Zg1 Stoney Range   • •   •
Zg2 Elisabeth Browlee Reserve     •    
Zg3 Hazleton Creek   ? • ? ?
Zg4 Regal Heights   •     •
Zg5 SW Regal Heights   •      
Zg6 Stockyard Mountain • •   • •
Zg7 Mount Terry 1   •   ? •
Zg8 Mount Terry 2       ? •
Zg9 Wentworth Hills 1   ?     ?
Zg10 Wentworth Hills 2   ?     ?
Zg11 Actephila Gully 1   •      
Zg12 Actephila Gully 2   ?     ?
Zg13 Wentworth Hills 3          
Zg14 Eastern Ridge 1   •     •
Zg15 Eastern Ridge 2   ?     ?
Zg16 Eastern Ridge 3   ?     ?
Zg17 Southern Ridge 1 • ?     ?
Zg18 Southern Ridge 2 • ?     ?
Zg19 Southern Ridge 3 • ?     ?
Zg20 Locking Hill • •     •
Zg21 Gooseberry Hill 1   •      
Zg22 Shellcove   •     •
Zg23 Killalea 1   •     •
Zg24 Killalea 2   •     •
Zg25 Killalea 3   •     •
Zg26 Killalea 4   •     •
Zg27 Bass Point 1       • •
Zg28 Bass Point 2       • •
Zg29 Minnamurra Rainforest 1 • ? • ? ?
Zg30 Minnamurra Rainforest 2 •   •   •
Zg31 Jamberoo Road 1   •   • •
Zg32 Jamberoo Road 2       • •
Zg33 Flying Fox North 1   ?     ?
Zg34 Flying Fox North 2 • ?     ?
Zg35 Flying Fox North 3 • •      
Zg36 Flying Fox North 4   •      
Zg37 Flying Fox North 5   ?   ? ?
Zg38 Flying Fox South 1 • •      
Zg39 Flying Fox South 3 • •     •
Zg40 Flying Fox South 4 • •     •
Zg41 Flying Fox South 2 • ?     ?
Zg42 Flying Fox South 5   ?     ?
Zg43 Minnamurra Lane          
Zg44 SE Jamberoo   •   ? •
Zg45 Wallaby Hill Road 1   •     •
Zg46 Wallaby Hill Road 3   •     •
Zg47 Wallaby Hill Road 2   •     •
Zg48 Minnamurra Headland   ?   ? ?
Zg49 Minnamurra Floodplain       • •
Zg50 Minnamurra Bends       ? •
Zg51 Turpentine Reserve   •   •  
Zg52 Tabbagong Forest 1   •   • •
Zg53 Tabbagong Forest 2       •  
Zg54 Tabbagong Forest 3   •   • •
Zg55 Tabbagong Forest 4   •   • •
Zg56 Bombo 1   •     •
Zg57 Bombo 2   •      
Zg58 Kiama Aquatic Centre   •     •
Zg59 Stead Reserve   •      
Zg60 Willow Gully   •   • •
Zg61 Spring Creek 1   ?   ? ?
Zg62 Spring Creek 2   ?   ? ?
Zg63 Spring Creek 2   ?   ? ?
Zg64 Long Brush Road   •      
Zg65 West Kiama   •      
Zg66 Old Saddleback Road   •      
Zg67 Saddleback Mt Road          
Zg68 Bonaira Native Gardens   ?   ? ?
Zg69 Easts Beach   •   ? •
Zg70 Boona Ridge       ? •
Zg71 Jerrara Dam 1          
Zg72 Jerrara Dam 2   •     •
Zg73 Jerrara Dam 3   •   ?  
Zg74 Jerrara Dam 4   •   ?  
Zg75 Jerrara Dam 5   •     •
Zg76 Mount Brandon Road 1   •     •
Zg77 Saddleback West         •
Zg78 Saddleback Mountain         •
Zg79 Saddleback Lookout         •
Zg80 Saddleback East 1   •     •
Zg81 Saddleback Road         •
Zg82 Saddleback East 2   ?     ?
Zg83 Lower Foxground   ?   ? •
Zg84 Upper Foxground •     • •
Zg85 Upper Irwins Creek • •     •
Zg86 West of Broughton Village   •     •
Zg87 Toolijooa 1   • • ? •
Zg88 Toolijooa 2   • • ? •
Zg89 Toolijooa 3   • • • •
Zg90 Mount Brandon Road 2   •      
Zg91 Whispering Gallery   •     •
Zg92 Dunmore   •     •
Zg93 Gooseberry Hill 2   •      
Zg94 North Kiama Park       ?  
Zg95 Mt Pleasant Ridge   •   ?  
Zg96 Croom Road   •   ? •
Zg97 Actephila Ridge   ?   ? ?

(? denotes insufficient data available to assess site against criterion)

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