Byron Flora and Fauna Study 1999 - Byron Shire Council

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BYRON FLORA AND FAUNA STUDY, 1999 5.4 METHODS Records within Byron Shire of flora species scheduled in the TSC Act, 1995 and/or in the NSW list of Rare or Threatened Australian plants (Briggs and Leigh 1996) were obtained from NSW NPWS Wildlife Atlas database, Quinn et al. (1995), Sheringham and Westaway (1995) and numerous reports. As the former source in particular includes numerous inaccuracies, all records were validated before incorporation into the database. Validation was achieved by personal communication with the original observer, through local knowledge of the authors, or if necessary by field inspection. As a result, the accuracy of the location reported in the secondary sources was frequently improved, and inaccurate records discarded. In addition, a number of botanists contributed their unpublished records. As the study was focused on private lands, Crown land and council-owned land, the occurrence of target species in National Parks, Nature Reserves and State Forests was recorded on a presence/ absence basis for context and to establish Shire-level reservation status. Multiple records for public lands were not solicited, although when readily available were incorporated in to the database. Regionally significant species (Sheringham and Westaway 1995) other than those also listed as Threatened or ROTAP species were not targeted. From the available information about the habitat of each species, other possible locations within the Shire were predicted. Limited targeted surveys were carried out and further locations were recorded during API ground truthing and plot-based vegetation surveys. In addition, the survey was advertised in the local press, and residents invited to apply for a data record form (Appendix 6) listing target species and requesting details of records of Threatened species. A large number of forms was distributed. Records returned were validated and incorporated into the database. Each record was assigned a data type code (point location = X, mapped polygon = P, public land polygon ie National Park, Nature Reserve or State Forest = R, general locality = L). The latter were frequently historical herbarium records for which the location was given as a general locality such as Mullumbimby. Records in this category were not mapped but are held in the database. Point locations by their nature are associated with an AMG grid reference. Records relating to polygons were assigned a grid reference of a convenient point for mapping purposes. In addition, each record was assigned an accuracy code (grid reference of point representing location to nearest 100 m = 1, grid reference of point representing location to nearest 1000 m = 2, grid reference of point representing location to less than 1000 m accuracy = 3). Dates, observers and sources of data were recorded. Part of the database table is shown to illustrate (Table 5.4). Modifications were made to some records for the genus Phaius. Some database records for P. tankervilliae are likely to represent P. australis (Sheringham and Westaway 1995), while others, having been recorded outside the flowering season, are designated as Phaius sp. (Stewart and McKinley 1997). In addition, some taxonomists are of the opinion that the two taxa will prove to be conspecific (P. Bostock, Queensland Herbarium, pers. com.). Accordingly, all records for Phaius spp. were entered as P. australis. Changes in TSC Act, 1995 status to two Threatened species occurring in Byron Shire were gazetted during the study period. The Basket Fern Drynaria rigidula was presumed to be extinct in NSW (TSC Act, 1995) and was formerly listed on Schedule 3 (Extinct). The Basket Fern was recorded at Anderson’s Ridges in Byron Shire several years ago (Kinhill 1997) and has also been recorded recently from Cape Byron (S. Bower pers. comm.) and at Broken Head during current surveys. It is now listed on Schedule 1 (Endangered). The listing of Phaius australis has been altered from Schedule 2 (Vulnerable ) to Schedule 1 (Endangered). These listings have been updated in the database and throughout the report. Changes to land tenure during the study period have affected the reservation status of some species. The Threatened species database requires updating where the names of record locations have changed. Forestryrelated threats have been removed from species which occur in those State Forests converted to National Parks (requiring updating in Table 5.7). 65
A GREENPRINT FOR A SUSTAINABLE FUTURE Table 5.4 Example page from Byron Shire Threatened flora database CAPS FAMILY SPECIES LOCATION EASTING NORTHING EASTING NORTHING ACCURACY TYPE RECORDER DATE CODE (original) (final) 7012 ACANTHACEAE Calophanoides hygrophiloides Brunswick Heads 553600 6842600 3 L NSWHER 1969 7310 ACANTHACEAE Isoglossa eranthemoides Inner Pocket NR 543500 6849500 2 R NRAC 7310 ACANTHACEAE Isoglossa eranthemoides ‘Morton’s Scrub’, Eureka 539900 6825700 2 P H. Bower 7310 ACANTHACEAE Isoglossa eranthemoides Booyong 543000 6819000 2 P H. Bower 7310 ACANTHACEAE Isoglossa eranthemoides Hilans Corner 549350 6844700 549350 6844700 1 X A. Benwell 1998 1176 APOCYNACEAE Ochrosia moorei Snows Gully NR 537600 6836900 537700 6836700 2 R D. Milledge 1985 1176 APOCYNACEAE Ochrosia moorei Johnston’s Scrub 541348 6825356 541300 6825400 2 R R. J. Hunter 1991 1176 APOCYNACEAE Ochrosia moorei Emery’s Scrub 546600 6819600 546600 6819600 2 P R.J. Hunter 1991 1176 APOCYNACEAE Ochrosia moorei Booyong 543000 6819000 543000 6819000 2 R L.A. Johnson 1957 1176 APOCYNACEAE Ochrosia moorei Minyon Falls FR 538300 6834300 537000 6838000 3 R 1176 APOCYNACEAE Ochrosia moorei Booyong 543000 6819000 2 P J. Holmes 4-11-85 1176 APOCYNACEAE Ochrosia moorei Emery’s Scrub 546600 6819500 546800 6819500 2 P J. Holmes 28-11-85 1176 APOCYNACEAE Ochrosia moorei ‘Zalmonah’, 542000 6824900 542000 6824900 2 P H. & S. Bower Little Benny’s Creek 1176 APOCYNACEAE Ochrosia moorei Emery’s Scrub 546600 6819500 546600 6819500 2 P H. & S. Bower 1176 APOCYNACEAE Ochrosia moorei Wanganui Gorge 538950 6837400 538950 6837400 3 L R. Kooyman 8437 ARISTOLOCHIACEAE Aristolochia deltantha Jerusalem Mt 536000 6844000 3 R J. Holmes 25-4-86 var. laheyana (Wild Dog Rd) 8437 ARISTOLOCHIACEAE Aristolochia deltantha Whian Whian SF 537000 6838000 3 R R. Kooyman var. laheyana ASCLEPIADACEAE Cynanchum elegans Brunswick Heads NR 552800 6843800 3 R S. Horton 1998 8662 ASCLEPIADACEAE Marsdenia liisae Whian Whian SF 537000 6838000 3 R Key CAPS: Census of Australian Plants code Original eastings and northings are as supplied from original source. Final eastings and northings are validated, or standard grid references used for mapping purpose (applies to NP, NR and SF) Accuracy: 1 = to nearest 100 m, 2 = to nearest 1000 m, 3 = less accurate than category 2, usually a general locality or reserve polygon Type: X = point, P = polygon, R = reserve (National Park, Nature Reserve or State Forest) 66
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Byron Flora and Fauna Study 1999 - Byron Shire Council

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