Short description: Dataset contains spatial data and summary datasets to support delineation of Nationally Important Koala Areas (NIKA) across Queensland, NSW and ACT.
Permanent url to the dataset: 10.5281/zenodo.4305157

Datasets and spatial data associated with Runge CA, Rhodes JR, Latch P. 2020. A national approach to the integration of koala spatial data to inform conservation planning. Version 1.0. doi: 10.5281/zenodo.4305158

Known_NIKA_v1.gpkg (GeoPackage) maps planning units meeting criteria for Known NIKA (see report for details).
IBRA7_regions_states_koala_dissolve.shp (shapefile) outline of the study region
koala_templatehexgrid_100ha.shp (shapefile) 100 hectare hexagonal grid cells across study region
koala_templatehexgrid_100ha_centroids.shp (shapefile) Cell centroids of 100 hectare hexagonal grid cells across study region
NIKA_inputs.gpkg (GeoPackage) Environmental and koala occurrence variables summarised in hexagonal grid cells (100ha) across study region and used as planning units in NIKA delineation
NIKA_inputs_extended.gpkg (GeoPackage) Environmental and koala occurrence variables summarised in hexagonal grid cells (100ha) across study region and used as planning units in NIKA delineation
Habitat_atrisk_cc_core.gpkg (GeoPackage) Planning units that contain koala habitat (>30% coverage of likely habitat) that falls outside region predicted to be climate suitable for koalas by 2070 (core niche under 100% of models).
Habitat_atrisk_cc_mid.gpkg (GeoPackage) Planning units that contain koala habitat (>30% coverage of likely habitat) that falls outside region predicted to be climate suitable for koalas by 2070 (mid niche under 50% of models).
Populations_atrisk_cc_core.gpkg (GeoPackage) Planning units that are within 10km of recent (since 01/01/2000) koala records, contain koala habitat (>30% coverage of likely habitat) and fall outside region predicted to be climate suitable for koalas by 2070 (core niche under 100% of models).
Populations_atrisk_cc_mid.gpkg (GeoPackage) Planning units that are within 10km of recent (since 01/01/2000) koala records, contain koala habitat (>30% coverage of likely habitat) and fall outside region predicted to be climate suitable for koalas by 2070 (mid niche under 50% of models).
Dist2records_30perchabitat.gpkg  Distance to nearest koala observation in planning units with >30% coverage of likely koala habitat. 
Potentially_extinct_koalas.gpkg (GeoPackage) Planning units that contain koala habitat (>30% coverage of likely habitat) where koala were recorded within 10km of the planning unit between 01/01/1970 and 31/12/1999 but have not been recorded since then. 

Projection of all spatial data: EPSG 3577 GDA 1994 Australian Albers

TABLE AND COLUMN HEADINGS
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COLUMN DESCRIPTIONS Known_NIKA_v1.gpkg (polygons)
Clumps of contiguous planning units that meet criteria for Known NIKA. 

"clumps" (integer) = unique identifier for clump of contiguous planning units
"area_col" (numeric) = area (hectares) of likely koala habitat within clump of contiguous planning units. 
"curr_koala" (integer) = number of recent koala records that fall within the clump (since 01/01/2000).

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COLUMN DESCRIPTIONS NIKA_inputs.gpkg
COLUMN DESCRIPTIONS NIKA_inputs_extended.gpkg
Environmental and koala occurrence variables summarised in hexagonal grid cells (100ha) across Queensland, NSW and ACT used as planning units in NIKA delineation.
(1,747,728 rows)
Columns are described in Appendix 1 of accompanying report (Runge et al 2020. A national approach to the integration of koala spatial data to inform conservation planning. Version 1.0)

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COLUMN DESCRIPTIONS koala_templatehexgrid_100ha.shp (polygon)
COLUMN DESCRIPTIONS koala_templatehexgrid_100ha_centroids.shp (point)
Hexagonal grid cells (100ha) across Queensland, NSW and ACT (polygon) used as planning units in NIKA delineation.
(1,747,728 rows)

"cellid" (integer) = unique identifier for each 100ha hexagonal cell
"Centroid_x" (decimal degrees) = longitude, in GDA94 decimal degrees of each 100ha hexagonal cell
"Centroid_y" (decimal degrees) = latitude, in GDA94 decimal degrees of each 100ha hexagonal cell

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COLUMN DESCRIPTIONS Habitat_atrisk_cc_core.gpkg (polygons)
Planning units that contain koala habitat (>30% coverage of likely habitat) that falls outside region predicted to be climate suitable for koalas by 2070 (core niche under 100% of models). Planning units have been aggregated into clumps of contiguous units.

COLUMN DESCRIPTIONS Habitat_atrisk_cc_mid.gpkg (polygons)
Planning units that contain koala habitat (>30% coverage of likely habitat) that falls outside region predicted to be climate suitable for koalas by 2070 (mid niche under 50% of models). Planning units have been aggregated into clumps of contiguous units.

COLUMN DESCRIPTIONS Populations_atrisk_cc_core.gpkg (polygons)
Planning units that are within 10km of recent (since 01/01/2000) koala records, contain koala habitat (>30% coverage of likely habitat) and fall outside region predicted to be climate suitable for koalas by 2070 (core niche under 100% of models). Planning units have been aggregated into clumps of contiguous units.

COLUMN DESCRIPTIONS Populations_atrisk_cc_mid.gpkg (polygons)
Planning units that are within 10km of recent (since 01/01/2000) koala records, contain koala habitat (>30% coverage of likely habitat) and fall outside region predicted to be climate suitable for koalas by 2070 (mid niche under 50% of models). Planning units have been aggregated into clumps of contiguous units.

All files:
"clumps" (integer) = unique identifier for clump of contiguous planning units
"area_col" (numeric) = area (hectares) of likely koala habitat within clump of contiguous planning units. 
"curr_koala" (integer) = number of recent koala records that fall within the clump (since 01/01/2000).

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COLUMN DESCRIPTIONS Dist2records_30perchabitat.gpkg
Distance to nearest koala observation in planning units with >30% coverage of likely koala habitat. Planning units have been aggregated into clumps of contiguous distance classes (<10km, 10-50km, 50-100km, >100km).
"dist2currkoala" (text) = aggregated distance classes (<10km, 10-50km, 50-100km, >100km)
"habitat_ha" (numeric) = total area (hectares) of likely koala habitat within each distance class.

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COLUMN DESCRIPTIONS Potentially_extinct_koalas.gpkg
Planning units that contain koala habitat (>30% coverage of likely habitat) where koala have been recorded within 10km of the planning unit between 01/01/1970 and 31/12/1999 but not since then. 

"clumps" (integer) = unique identifier for clump of contiguous planning units
"area_col" (numeric) = area of clump of contiguous planning units. 
"curr_koala" (integer) = number of recent koala records that fall within the clump (since 01/01/2000).

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