Data

Mangrove mapping of Darwin Harbour, 1996

Name: Mangrove mapping of Darwin Harbour, 1996
Published: 2000

University of Tasmania, Australia

Department of Environment and Natural Resources (DENR), Northern Territory Government

Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]

ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/8ebd1996-c77d-4012-b409-002f4422a915&rft.title=Mangrove mapping of Darwin Harbour, 1996&rft.identifier=https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/8ebd1996-c77d-4012-b409-002f4422a915&rft.description=This polygon spatial dataset describes the mangrove communities for Darwin Harbour and its environs and was surveyed at a mapping scale of 1:25 000. The associated report notes an area of approximately 20,400 hectares of mangroves in Darwin Harbour and describes ten main mangrove associations or communities. The data provides a basis for identifying the extent and distribution of mangrove communities for Darwin Harbour and its environs.Maintenance and Update Frequency: notPlannedStatement: Original map unit boundaries delineated from aerial photographs and stereoscope interpretation. Map units transferred to topographic map sheets via a mapograph. Original maps were hardcopy only. With the advent of geographic information systems polygons were digitised by rectifying the original hard copy maps. Map unit boundaries derived using aerial photography and digital satellite imagery, geological and topographic data. Field data (site information) described and classified according to national standards at the time of capture. Map unit polygons collected via geographic information system. (ESRI ArcInfo) Vegetation attributes attached to map units may be unique to individual surveys.Statement: Data Dictionary GEOMORPH Alias: Geomorphic Unit A summary notation to describe the geomorphological unit for the veg map unit. SURVEY_ID Alias: Survey Identifier A department code that usually refers to the first five characters from the original survey site sheet. SURVEY_NME Alias: Survey Name The name of the survey / report that the mapping refers to. TIDALLEVEL Alias: Tidal Level A summary notation to describe the Tidal Level for the veg map unit. VEG_DESC Alias: Vegetation Description The vegetation description applicable only at the mapping scale 1:25 000. VEG_TYPE Alias: Vegetation Broad Type A broad classification used to group the veg map unit communities; Mangrove Closed Forests, Mangrove Open Forests, Mangrove Woodlands/Open Woodlands, Samphire/Salt Flat, Beach, Not Recorded. VEG_UNIT Alias: Veg Map Unit The vegetation mapping unit used to describe the vegetation community and label the polygon in the spatial dataset.&rft.creator=Department of Environment and Natural Resources (DENR), Northern Territory Government &rft.date=2000&rft.coverage=westlimit=130.711215; southlimit=-12.7386; eastlimit=131.05121; northlimit=-12.4286&rft.coverage=westlimit=130.711215; southlimit=-12.7386; eastlimit=131.05121; northlimit=-12.4286&rft_rights=Creative Commons Attribution-ShareAlike 4.0 International License http://creativecommons.org/licenses/by-sa/4.0/&rft_rights=Cite data as: Department of Environment and Natural Resources, Northern Territory Government of Australia (2000). Mangrove mapping of Darwin Harbour, 1996. Data accessed at http://metadata.imas.utas.edu.au/geonetwork/srv/en/metadata.show?uuid=8ebd1996-c77d-4012-b409-002f4422a915 on (access date).&rft_rights=This dataset is hosted by the Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, on behalf of the NT Government for the purposes of the Seamap Australia collaborative project (testing a national marine benthic habitat classification scheme).&rft_subject=biota&rft_subject=oceans&rft_subject=MARINE HABITAT&rft_subject=EARTH SCIENCE&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=Environmental Management&rft_subject=ENVIRONMENTAL SCIENCES&rft_subject=ENVIRONMENTAL SCIENCE AND MANAGEMENT&rft_subject=Environmental Sciences not elsewhere classified&rft_subject=OTHER ENVIRONMENTAL SCIENCES&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=research aeroplane&rft_subject=Biotic taxonomic identification&rft_subject=Benthic habitat&rft.type=dataset&rft.language=English Access the data

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Cite data as: Department of Environment and Natural Resources, Northern Territory Government of Australia (2000). Mangrove mapping of Darwin Harbour, 1996. Data accessed at http://metadata.imas.utas.edu.au/geonetwork/srv/en/metadata.show?uuid=8ebd1996-c77d-4012-b409-002f4422a915 on (access date).

This dataset is hosted by the Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, on behalf of the NT Government for the purposes of the Seamap Australia collaborative project (testing a national marine benthic habitat classification scheme).

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Full description

This polygon spatial dataset describes the mangrove communities for Darwin Harbour and its environs and was surveyed at a mapping scale of 1:25 000. The associated report notes an area of approximately 20,400 hectares of mangroves in Darwin Harbour and describes ten main mangrove associations or communities. The data provides a basis for identifying the extent and distribution of mangrove communities for Darwin Harbour and its environs.

Lineage

Maintenance and Update Frequency: notPlanned

Statement: Original map unit boundaries delineated from aerial photographs and stereoscope interpretation. Map units transferred to topographic map sheets via a mapograph. Original maps were hardcopy only. With the advent of geographic information systems polygons were digitised by rectifying the original hard copy maps. Map unit boundaries derived using aerial photography and digital satellite imagery, geological and topographic data. Field data (site information) described and classified according to national standards at the time of capture. Map unit polygons collected via geographic information system. (ESRI ArcInfo) Vegetation attributes attached to map units may be unique to individual surveys.

Statement: Data Dictionary GEOMORPH Alias: Geomorphic Unit A summary notation to describe the geomorphological unit for the veg map unit. SURVEY_ID Alias: Survey Identifier A department code that usually refers to the first five characters from the original survey site sheet. SURVEY_NME Alias: Survey Name The name of the survey / report that the mapping refers to. TIDALLEVEL Alias: Tidal Level A summary notation to describe the Tidal Level for the veg map unit. VEG_DESC Alias: Vegetation Description The vegetation description applicable only at the mapping scale 1:25 000. VEG_TYPE Alias: Vegetation Broad Type A broad classification used to group the veg map unit communities; Mangrove Closed Forests, Mangrove Open Forests, Mangrove Woodlands/Open Woodlands, Samphire/Salt Flat, Beach, Not Recorded. VEG_UNIT Alias: Veg Map Unit The vegetation mapping unit used to describe the vegetation community and label the polygon in the spatial dataset.

Data Quality

POLYGON DATA - Map unit boundaries transferred from aerial photographs to topographic maps, using the best available topographic mapping at the time (generally 1:100 000) via a mapograph. Level of accuracy depends on the number of control points on individual aerial photographs. Control points include creek lines, cadastre and other topographic features. Depending on the nature of the landscape (the number of control points), positional accuracy may vary. Positional accuracy generally considered moderate to high. POINT DATA - Site point coordinates collected from a geographic positioning system with general accuracy of within 100m. Selective availability during this time prevented increased accuracy.
The attribute information conforms to the 'Australian Soil and Land Survey Field Handbook' at time of capture. In November 2013 additional attribute values, as described in the Data Dictionary below, have been added to each polygon in the spatial dataset.
Logical consistency
GIS editing tools were used to rectify all overshoots and undershoots in line work. Polygon topology rules applied are; must not overlap, must not have gaps and each polygon has only one label.
complete

Notes

Credit
Data supplied by Department of Environment and Natural Resources. © Copyright Northern Territory of Australia

Created: 14 01 2000

Issued: 2017-04-27

Data time period: 1995-01-07 to 1996-01-06

This dataset is part of a larger collection

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text: westlimit=130.711215; southlimit=-12.7386; eastlimit=131.05121; northlimit=-12.4286

Subjects

User Contributed Tags

Other Information

Download data in a range of formats via OGC WFS. (SeamapAus_NT_DarwinHarbour_mangrove)

url : https://geoserver.imas.utas.edu.au/geoserver/seamap/wfs External Link

MAP - Mangrove mapping Darwin Harbour (SeamapAus_NT_DarwinHarbour_mangrove)

url : https://geoserver.imas.utas.edu.au/geoserver/seamap/wms External Link

Original metadata record [NT Government catalogue]

url : http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=2DBCB7711FCE06B6E040CD9B0F274EFE External Link

global : 5feebe1a-2a8e-4707-99c3-3a8541c6fa7c

Identifiers

global : 8ebd1996-c77d-4012-b409-002f4422a915