BA86AB6CD3EBA0EEE040CD9B214440E1EnglishData Requests OfficerDepartment of Lands, Planning and EnvironmentGeospatial Services Unit (on behalf of department)Datarequests.DLPE@nt.gov.au2020-09-28AS/NZS ISO 19115 Geographic Information - Metadata, ANZLIC Metadata Profile1.0 Mangroves of the Northern Territory, 1:100,0002002-08-022019-07-05This spatial polygon dataset is derived from the 2001 mapping of mud crab (Scylla serrata) habitats along the NT and Queensland coastal wetlands. The polygons were derived from Landsat imagery and verified with field work and is suitable for use at scale 1:100,000. The information can be used in many ways to assist the management of these habitats. It provides a suitable baseline dataset for monitoring broad scale changes in area and composition of coastal wetland communities. Additionally, it provides information required by managers for choosing representative habitats for protection. Spatial dataset can be viewed in NR Maps - see Vegetation Resources; Mangroves; NT Mangroves 100k. NR Maps website: http://nrmaps.nt.gov.au/nrmaps.html Download the spatial data package (contains spatial data, maps and reports) via https://data.nt.gov.au/ You are licensed to use the DENR geospatial products on the terms and conditions set out in: Creative Commons Attribution 4.0 International Public License (CC BY 4.0) at: https://creativecommons.org/licenses/by/4.0/legalcode If you do not agree to the terms and conditions you must not use the geospatial products. You are free to copy, communicate and adapt the licensed material, provided that you abide by the licence terms (including Attribution) and attribute the licensed material using the statement: Supplied by the Department of Environment and Natural Resources. Copyright Northern Territory Government.English-17-111291382001-01-012002-06-01datasetnot knowncomplete0not knownThe resolution of the satellite imagery and the mapping process used results in a mapping product at a scale of 1: 100 000 with a high degree of accuracy (90%).0not knownA reliability class was assigned to each polygon within the classification based on the amount of ground truth data available (i.e. aerial photography and field data). Refer to Data Dictionary in this record.0This dataset has been created to match the standards of (already existing) Queensland component, using remote sensing techniques and field validation. Landsat ETM+ imagery was processed using the standard technique of Danaher (1995a) to produce a digital dataset of the tidal coastal wetland habitats. This technique has been recognized by Environment Australia (Ward et al. 1998) as a suitable protocol for the assessment of tidal coastal wetland habitats at a regional scale. The computer-based coastal wetland community classification was validated with fieldwork conducted during June and August 2001. Approximately 170 sites were accessed by boat or helicopter. At each site, information on mangrove community floristics and structure was documented. The Queensland and Northern Territory datasets were then standardized to remove discrepancies in the classification of coastal wetland habitats. A number of classes in the Queensland dataset were amalgamated in order to provide consistency between the two mapping products. The foreshore_flats dataset from Geoscience Australia's 250k topo (1994 edition) has been used as reference in the preparation of this dataset.