cl_maintenanceAndUpdateFrequency

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43 record(s)

 

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From 1 - 10 / 43

  • The dataset consists of polygons delineating areas of public land(1) and local council land(2) that have been classified as public open space. Polygon attributes describe the public open space category and owner. The datset covers 31 municipalities in metropolitan Melbourne. The definition used to attribute a polyon as public open space is 'those areas of public land and local council land that have an accepted and ongoing community use for outdoor recreation and informal activities, and that are freely accessible to the public'. The VEAC Metropolitan Melbourne Open Space Inventory does not include Commonwealth land; schools; cemeteries; gated facilities; road plantations; closed roads; concourses around stadia; inaccessible Trust for Nature properties; 'services and utilities' public land that does not have an ongoing recreational use; future open space (e.g. areas covered by Public Aquisition Overlays); and uncategorised public land. 1. 'Public Land' is Crown land and freehold land owned by Victorian Government Agencies. 2. 'Local Council Land' is freehold land owned by local councils.

  • Polygon coverage delineating Victorian forest types. Key attributes referenced through a forest type code include dominant and two associated species, maximum and minimum height, and maximum and minimum projective foliage cover.

  • This layer identifies Forest Cover Changes in Victoria from 1972 to 1987. Forest Cover is defined as woody vegetation greater than 2 metres in height and with crown cover (foliar density) greater than 10%. The smallest unit of forest mapped was fifteen (15) hectares.

  • Structural vegetation mapping of forest in Victoria based on the Land Conservation Council (LCC) vegetation classification scheme. The layer is independent of land tenure and is a combination of existing data from multiple sources (predominantly LCC) and primary mapping based on satellite image interpretation. Using histoirc 1:63,360 forest maps as a source.

  • Polygons delineating vegetation units defined by the Land Conservation Council (LCC). Forest species and structure are defined for each LCC Study Area.

  • Modelled dataset of Native Vegetation and major water-based habitats, created by the Arthur Rylah Institute, and completed July 15th , 2007 NV2005_EXTENT has been created from time-series(between 1989-2005) Landsat Imagery, many thousands of ground-truthing points, other relevant spatial data and expert validation. The dataset is a good interpretation of native vegetation extent (including aquatic habitat), but must be used with care, given it's modelled nature. The dataset categorises the landscape into eight categories ranging from 'highly likely native vegetation' through to 'unlikely to support native vegetation'.

  • This dataset is a modelled dataset of the quality of Terrestrial Native Vegetation as per the "Habitat Hectares" approach (Parkes et al, 2003). Specifically it is a model of the "Habitat Score" which is an index comprising ten (10) separate metrics that are weighted and summed. Seven (7) of these are site-based vegetation condition metrics, referred to collectively as the "Site Score" and three(3) are related to the spatial context of the site and referred to collectively as the "Landscape Score". The Site Score comprises 75% of the final quality score and the Landscape Score makes up the other 25%. Site Score Components: Large Tree Score (10), Canopy Cover Score (5), Understorey Score (25), Litter Score (5), Log Score (5), Weed Score (15), Recruitment Score (10) Landscape Score Components: Patch Size/Shape (10), Neighbourhood &Connectivity (15)

  • This layer delineates broad agricultural land uses in Victoria. LUSE250_1991 was created by manually interpreting 1991 LANDSAT TM satellite data and incorporating forest cover boundaries from FORCOV500-87. The land use boundaries have been registered to 1:500,000 topographic features. (not current - see revised LANDUSE250)

  • This layer is not current (see LBPZONE25) but it maintained for historical purposes. A zoning of forest into suitability of habitat for Leadbeater's Possum (LBP) (Gymnobelideus leadbeateri), based on a visual interpretaion of aerial photographs to identify certain density classes of stags, followed by refinement based on ground survey.

  • Investigation Area's used in the VicPlan Mapshare site