Guidelines and Field Methodology for Vegetation Survey and Mapping

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SECTION A: GUIDELINES The NVIS Version 3.0 vegetation data set, resident on NRETA servers, represents the most up to date standardised broad scale mapping of the whole NT. Two polygon coverage’s exist; vegetation pre-clearing and vegetation extant. The dataset is essentially the NT Vegetation Map (1:1,000,000) with monsoon vine-forests, melaleuca forests, lancewood forests, mangrove forests and clearing imbedded. Attribution is as per the NVIS Information Hierarchy (Table 4). A recently developed program (SAVEG Version 1.1) has been designed to allow entry of structural and species information to build the six level NVIS Information Hierarchy automatically. Various xml and Microsoft Access input and output routines have been developed to process other core attributes. For manual building of the hierarchy and for full detail of the NVIS framework and core attributes see the NVIS Australian Vegetation Attribute Manual Version 6.0 (ESCAVI, 2003). http://www.deh.gov.au/erin/nvis/publications/avam/index.html NRETA Polygon Data For individual vegetation surveys, GIS data is currently stored in the NRETA Spatial Data Directory and will be made available on the website through NRETA Maps. http://nretaintranet.nt.gov.au/onlinesystems/nretamaps.html 7.4 Database Integration The RAVS site database and NVIS polygon data base are currently being integrated. The model is referred to as the Natural Resources Vegetation Information System (NRVIS) and is designed to provide the following efficiencies: • Proficient entry of site data; • Data manipulation and output to various analysis packages (i.e. PATN, TWINSPAN, PRIMER); • Input from analysis packages; • Calculation of floristic and structural statistics based on groupings of site data; • Automated output of summary data into survey report formats, and • Automated output of data into the NVIS polygon database. The aim of NRVIS is to automate future inclusions of NVIS spatial and attribute data in an Australian-wide vegetation dataset. Site data will be derived from RAVS then analysed to develop linkages with NVIS attributes to provide polygon attribution back into RAVS with updated plant names from the yet to be developed Bio-link database (Figure 2). Northern Territory Guidelines and Field Methodology for Vegetation Survey and Mapping 20
SECTION A: GUIDELINES DATA ENTRY Manual, Batch/Script MANAGMENT SYSTEM ORACLE RAVS INTERFACES NT DVT Other Databases NVIS B I O L I N K T A X O N O M I C SPATIAL SYSTEM ORACLE GIS INFORMATION XML Export D B A S E Internet Reports Document Worksheet Figure 2. Proposed NRVIS data model. Source: Lewis (2006) There are three main stages to the NRVIS development: 1. Develop an information database incorporating simple menu interfaces for the following capabilities: navigation, data entry, editing, importing and exporting. This has been developed May 2005; 2. Provide spatial linkages to other databases such as BIOLINK (NT Herbarium taxonomic specimen database), RAVS and NT definitive vegetation types (refer to Chapter 9.3), and 3. Create a visualisation interface tool between the three stages for NRETA view only including a web based version. NRETA is committed to establishing the NVIS attribute framework and the NRVIS database as part of the corporate vegetation management system. NRVIS will be used to store polygon data on a project survey basis and in a format suitable for transferring to relevant agencies (i.e. Commonwealth). Application and database components will be maintained on the corporate server. At a later stage it is envisaged a developed, distributed system can be accessed by the Commonwealth on NRETA servers. Similarly, a database containing information on a systematic taxonomy of vegetation types (i.e. definitive vegetation types; refer to Chapter 9.3) has been developed and will need to be linked to the NRVIS in the future. Northern Territory Guidelines and Field Methodology for Vegetation Survey and Mapping 21
Page 1: DEPARTMENT OF NATURAL RESOURCES,ENV
Page 4 and 5: PREFACE This document describes the
Page 6 and 7: CONTENTS PREFACE ..................
Page 8 and 9: GLOSSARY...........................
Page 10 and 11: ACRONYMS ANZLIC BRS DEH DEM DVT ERI
Page 13 and 14: SECTION A: GUIDELINES 1.0 INTRODUCT
Page 15 and 16: SECTION A: GUIDELINES 3.0 PRINCIPLE
Page 17 and 18: SECTION A: GUIDELINES Currently, th
Page 19 and 20: SECTION A: GUIDELINES 4.0 MAPPING P
Page 21 and 22: SECTION A: GUIDELINES Table 3. Data
Page 23 and 24: SECTION A: GUIDELINES Table 4. The
Page 25 and 26: SECTION A: GUIDELINES S Y Z C U Shr
Page 27 and 28: SECTION A: GUIDELINES The structura
Page 29 and 30: SECTION A: GUIDELINES Vegetation si
Page 31: SECTION A: GUIDELINES Resource Asse
Page 35 and 36: SECTION A: GUIDELINES 9.0 FUTURE DE
Page 37 and 38: SECTION A: GUIDELINES Satellite pla
Page 39: SECTION A: GUIDELINES 9.5 Web Serve
Page 43 and 44: SECTION B: FIELD METHODOLOGY 1.0 IN
Page 45 and 46: SECTION B: FIELD METHODOLOGY 2.2 Si
Page 47 and 48: SECTION B: FIELD METHODOLOGY These
Page 49 and 50: SECTION B: FIELD METHODOLOGY 3.3 Co
Page 51 and 52: SECTION B: FIELD METHODOLOGY Top ht
Page 53 and 54: SECTION B: FIELD METHODOLOGY Under
Page 55 and 56: SECTION B: FIELD METHODOLOGY For la
Page 57 and 58: SECTION B: FIELD METHODOLOGY 5.0 FI
Page 59 and 60: SECTION B: FIELD METHODOLOGY 5.1 Ha
Page 61 and 62: SECTION B: FIELD METHODOLOGY Soil d
Page 63 and 64: SECTION B: FIELD METHODOLOGY Last f
Page 65 and 66: SECTION B: FIELD METHODOLOGY Broad
Page 67 and 68: SECTION B: FIELD METHODOLOGY 5.3 Fo
Page 69 and 70: GLOSSARY CSR Datum Distribution Div
Page 71 and 72: GLOSSARY Overstorey Physiognomy Pla
Page 73 and 74: REFERENCES REFERENCES Abed, T. & St
Page 75 and 76: REFERENCES Meagher, D. (1991) The M
Page 77: APPENDICES
Page 80 and 81: APPENDICES APPENDIX 2: Overview of
Page 82 and 83:
APPENDICES APPENDIX 4: Height Class
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APPENDICES TUSSOCK GRASS Closed Tus
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APPENDICES APPENDIX 6 (continued) D
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APPENDICES APPENDIX 6 (continued) G
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APPENDICES APPENDIX 8: Preliminary
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APPENDICES APPENDIX 10: Definitive
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Disturbance, Succession, adjoining
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APPENDICES APPENDIX 11: IUCN Red Li
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APPENDICES APPENDIX 13: NT Weeds Da
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APPENDICES APPENDIX 14 (continued)
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APPENDICES APPENDIX 16: Field Data
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APPENDICES APPENDIX 17: Field Data
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APPENDICES APPENDIX 17 (continued)
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APPENDICES APPENDIX 19: NT Site Pro
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