Table 4 Spatial data used to quantify environmental conditions and determine model boundaries.

From: A spatial analysis of seagrass habitat and community diversity in the Great Barrier Reef World Heritage Area

Data

Type

Models

Data source

Intertidal/subtidal

Categorical; intertidal, subtidal

All

gbr30 (30 m pixel resolution) raster45; ITEM version 2.046,47; tidal regions of reefs or shoals within Queensland maritime waters © State of Queensland (Department of Natural Resources, Mines and Energy) 2019

Depth

Numeric; metres below mean sea level

Subtidal only

gbr30 (30 m pixel resolution) raster45

Relative tidal exposure

Categorical; bands 1–9

Intertidal only

Intertidal Extent Model (ITEM version 2.0)46,47

Water type

Categorical; estuary, coast, reef

All

Queensland coastal waterways geomorphic habitat mapping estuary boundary74. Marine Water Bodies definitions (version 2_4; Data courtesy of the Great Barrier Reef Marine Park Authority)

Sediment

Numeric; proportion mud

Coast and Reef

eReefs 1 km grid hydrodynamic model: https://research.csiro.au/ereefs/models/model-outputs/access-to-raw-model-output/49,51

Sediment

Categorical; dominant sediment

Estuary

Great Barrier Reef data synthesis44

Benthic geomorphology

Categorical; geomorphic (benthic) features

Coast and Reef

Geomorphic Features of the Australian Margin75

Benthic light

Numeric; benthic photosynthetically active radiation (PARb) above the seagrass canopy, mol photons m−2 day−1

Coast and Reef

“EpiPAR_sg” variable from eReefs 1 km grid biogeochemical and optical model (v924): http://dapds00.nci.org.au/thredds/catalog/fx3/gbr1_bgc_924/catalog.html49,50

Water temperature

Numeric (°C)

Coast and Reef

eReefs 1 km grid hydrodynamic model: https://data.aims.ereefs.org.au/thredds/fileServer/derived-download/gbr1_2.0/all-one/all-one.nc48

Mean current speed

Numeric (ms−1)

Coast and Reef

eReefs 1 km grid hydrodynamic model: https://data.aims.ereefs.org.au/thredds/fileServer/derived-download/gbr1_2.0/all-one/all-one.nc48

Salinity

Numeric; Practical Salinity Unit (PSU)

Coast and Reef

eReefs 1 km grid hydrodynamic model: https://data.aims.ereefs.org.au/thredds/fileServer/derived-download/gbr1_2.0/all-one/all-one.nc48

Wind speed

Numeric (ms−1)

Coast and Reef

eReefs 1 km grid hydrodynamic model: https://data.aims.ereefs.org.au/thredds/fileServer/derived-download/gbr1_2.0/all-one/all-one.nc48

Latitude

Numeric

Estuary

ArcGIS

  1. More details are provided in ESM Appendices S3 and S4.
Back to article page