Grevillea obtusiflora subsp. obtusiflora and subsp. fecunda Recovery Plan

NSW National Parks and Wildlife Service, September 2001
ISBN 0 731 36281 0

Appendix 1

Site Information

Site O1: Clandulla State Forest

Location: Clandulla, NSW. Map Ilford 8832-2-S. 1:25,000

Plant group sites AMG grid refs; not for public release

Date surveyed: numerous visits over 1998-99

Number of Grevillea obtusiflora subsp. obtusiflora plants: approximately 1300 plants,

Size of the habitat: 400m2

Aspect: Northerly,

Altitude: 710m asl

Slope:

Geology: Shale conglomerate and sandstone.

Vegetation structure: Woodland.

Dominant species:

Canopy : Eucalyptus crebra; E. dealbata; E. tenella.

Middle stratum : Callistemon linearis, Acacia buxifolia, Acacia elongata,

Understorey : Leucopogon sp., Caustis flexuosa, Dianella sp, Patersonia sp.

The canopy is comprised predominantly of stringybark (Eucalyptus tenalla) and tumbledown red gum (E. dealbata). The slopes above Carwell creek and the hilly country west of the creek were dominated by grey gum (E. punctata), stringybark (E. tenalla) and ironbark. (E. crebra). G. obtusiflora subsp. obtusiflora was not found in these areas.

Fire history: Last burnt 1968

Council zoning and land tenure: Classified as State Forest, Dedicated 1917.

General description: This is the largest sub-population and area of habitat of Grevillea obtusiflora subsp. obtusiflora, there is a high priority to keep this site intact and undisturbed. The area is in a section of forest with a large number of tracks, both access and logging tracks.

There are a number of potential threats:

  • fire, particularly frequent fires, lightning/burn-off escapes/arson

Site Information

Site O2: Clandulla State Forest/Council Roadside (on boundary)

Location: Area 2.1 km north of Clandulla State Forest turn off, right hand side of Bylong Valley Way, on way to Kandos. AMG not for public release. Map: Ilford 8832-2-S 1:25,000

Date surveyed: numerous visits over 1998-99

Number of Grevillea obtusiflora subsp. obtusiflora plants: 100 plants,

Size of the habitat: 400m2

Aspect: Northerly.

Altitude: 700m asl

Slope:

Geology: Shale, conglomerate and sandstone.

Vegetation structure: Woodland

Dominant species:

Canopy: Eucalyptus crebra; E. dealbata; E. tenella.

Middle stratum : Callistemon linearis, Acacia buxifolia, Acacia elongata,

Understorey : Leucopogon sp., Caustis flexuosa, Dianella sp, Patersonia sp.

Fire history: Last burnt 1996.

Council zoning and land tenure: State Forest, Council road.

General description: This site is adjacent to a sealed road, which is the main route from the Great Western Highway to the town of Kandos. The site is located only a few metres from the road.

There are a number of potential threats:
  • road management activities, such as grading and weed spraying.
  • fire

Site Information

Site F1: Home Hills Rd

Location: Roadside area, 2.2 km from turn off from Kandos-Glen Alice Rd. Extends for approximately 50 metres. AMGR: not for public release Map : Bogee 8932-111-S 1:25,000.

Date surveyed: numerous visits over 1998-99

Number of Grevillea obtusiflora subsp. fecunda plants: approximately 50 plants

Size of the habitat: 50 x 20 metres.

Aspect: ENE

Altitude: 570m asl

Slope:

Geology: shale, conglomerate and sandstone.

Vegetation structure: low shrub

Dominant species:

Canopy : Eucalyptus tenella, E. fibrosa, E. macrorhyncha, E. punctata, Callitris endlicheri

Middle stratum : Acacia buxifolia, Leptospermum continentale, Monotoca elliptica.

Ground stratum : Persoonia linearis, Indigofera sp., Pomax umbellata.

Fire history: Last burnt 1968 (approx)

Council zoning and land tenure: Council roadside reserve and freehold.

General description: This site is located on raised roadside verges between an unsealed road and cleared agricultural land.

There are a number of potential threats:

  • roadside maintenance activities such as grading and weed spraying.
  • clearing or grazing of habitat on freehold land.
  • fire, particularly frequent fires, lightning/burn-off escapes/arson.

Site specific management actions:

Site Information

Site F2: Port Macquarie Rd.

Location: Sub-population starts just past property "The Pines" and continues virtually continuously for 1 km. AMGR: not for public release. Map: Bogee 8932-111-S 1:25,000.

Date surveyed: numerous visits over 1998-99

Number of Grevillea obtusiflora subsp. fecunda plants: approximately 500 plants

Size of the habitat: 600m x 200m

Aspect: North/east

Altitude: 550m asl

Slope:

Geology: shale, conglomerate and sandstone.

Vegetation structure: Callitris woodland.

Dominant species:

Canopy : Eucalyptus tenella, E. fibrosa, E. macrorhyncha, E. punctata, Callitris endlicheri

Middle stratum : Acacia buxifolia, Leptospermum continentale, Monotoca elliptica.

Ground stratum : Persoonia linearis, Indigofera sp., Pomax umbellata.

Fire history: 1968 (approx)

Council zoning and land tenure: Council roadside reserve and freehold farmland.

General description: This is the largest site of Grevillea obtusiflora subsp. fecunda, and there is a high priority to keep this site intact and undisturbed. It is located on an unsealed road, and borders freehold farmland.

There are a number of potential threats:

  • roadside management such as grading or weed spraying.
  • clearing or grazing of sites on freehold land
  • fire, particularly frequent fires, lightning/burn-off escapes/arson.

Site Information

Site F3: Pantoneys Crown

Location: Lower slope of Pantoneys Crown within Gardens of Stone National Park. AMGR: not for public release Map : Ben Bullen 8931-IV-S 1:25,000.

Date surveyed: 27th November 1998

Number of Grevillea obtusiflora subsp. fecunda plants: approximately 350 plants,

Size of the habitat: 400m x 150m.

Aspect: North/east

Altitude: 540m asl

Slope: 12°

Geology: shale and sandstone

Vegetation structure: Open forest.

Dominant species:

Canopy : Eucalyptus crebra, E. beyeriana.

Middle Stratum : Acacia buxifolia, Acacia ixiophylla, Isopogon anemonifolius.

Ground Stratum : Lomandra glauca, Styphelia triflora, Goodenia sp.

Fire history: Last burnt 1975-1980 (field estimate only).

land tenure: The site is in Gardens of Stone National Park.

General description: This is only site of Grevillea obtusiflora subsp. fecunda within an existing conservation reserve. It is located in a remote area only visited by bushwalkers and is not accessible by road.

The only potential threats to this site would be a series of frequent intense fires which could eliminate the adult plants before they were able to re-establish root stock and produce flowers, fruit and a soil seed stock.