WESTERN AUSTRALIA
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This seagrass habitat map was produced by the ACEAS Seagrass working group as part of the seagrass habitat risk modelling effort. The map identified seagrass presence based on 1) on the NISB (National Intertidal-Subtidal Benthic) Habitat Map created by the University of Tasmania for a partnership between the Department of Climate Change and the National Land and Water Resources Audit, 2) UNEP WCMC Seagrass map 2005, 3) publications/reports and 4) expert knowledge/personal observation.
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Aquatic flora surveys were conducted in Wilson Inlet in 2007 and 2008. This data is part of the 2013 report "Synthesis of seagrass mapping studies" conducted by the Water Science Branch of the Department of Water. The 2007 survey was conducted to review any changes in seagrass distribution since the previous survey in 1996 (data not included in this record), and was funded internally by the Water Science branch. The 2008 survey was conducted by the WA Department of Water together with Geoscience Australia. The objective of the 2008 survey was to collect baseline data on seagrass composition and distribution in key estuaries of southern and south-western WA. This data was acquired by the ACEAS Seagrass Group as part of the 2013 Australia-wide risk assessment of Seagrass. Surveys were conducted again in December 2017, April 2018, December 2019, December 2020, December 2021 and December 2022 by the Department of Water and Environmental Regulation as "Wilson Inlet Seagrass Survey". The datasets making up the 2007-2008 Wilson Inlet seagrass survey data are: WA_WilsonInlet_seagrass_polygons - polygon dataset showing interpolated percentage cover of seagrass with species information (where available). This record provides access to the initial WA DoW surveys. See associated DWER records in Data WA catalogue for access to newer surveys at this site.
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Aquatic flora surveys of the Hardy Inlet were conducted from the top of Molloy Island and the Scott River Basin to the mouth of the Inlet. Surveys were initially conducted in 2008 by Murdoch University’s Marine and Freshwater Research Laboratory (MAFRL) and forms part of the 2013 report "Synthesis of seagrass mapping studies" conducted by the Water Science Branch of the Department of Water. This data was acquired by the ACEAS Seagrass Group as part of the 2013 Australia-wide risk assessment of Seagrass. Surveys were conducted again in 2018, 2020 & 2023 by the Department of Water and Environmental Regulation as "Hardy Inlet Seagrass Survey". The datasets making up the 2008 Hardy Inlet seagrass survey data are: WA_MAFRL_Hardy_seagrass_polygons - polygon dataset showing interpolated percentage cover of Ruppia spp. This record provides access to the initial MAFRL surveys. See associated DWER records in Data WA catalogue for access to newer surveys at this site.
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This data is part of the 2013 report "Synthesis of seagrass mapping studies" conducted by the Water Science Branch of the Department of Water. Surveys were conducted by the WA Department of Water together with Geoscience Australia. The objective of these surveys was to collect baseline data on seagrass composition and distribution in key estuaries of southern and south-western WA. This data was acquired by the ACEAS Seagrass Group as part of the 2013 Australia-wide risk assessment of Seagrass. The datasets making up the Walpole-Nornalup Inlet seagrass survey data are: WA_WalpNorn_SAV_sites - point dataset of species presence/absence and survey methodology at each site. WA_WalpNorn_SAV_polygons - polygon dataset showing interpolated percentage cover in polygons derived from site points.
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Aquatic flora surveys were conducted in the Leschenault Estuary in April 2009. This data is part of the 2013 report "Synthesis of seagrass mapping studies" conducted by the Water Science Branch of the Department of Water. Surveys were initially conducted by the WA Department of Water together with Geoscience Australia. The objective of these surveys was to collect baseline data on seagrass composition and distribution in key estuaries of southern and south-western WA. This data was acquired by the ACEAS Seagrass Group as part of the 2013 Australia-wide risk assessment of Seagrass. Surveys were conducted again 2015-2023 (February 2015, February and March 2016, February 2017, February and March 2018, February 2019, February and March 2020, February 2021, February and March 2022, and February and March 2023) by the Department of Water and Environmental Regulation as "Leschenault Estuary Seagrass Survey". The datasets making up the 2009 Leschenault Estuary seagrass survey data are: WA_Leschenault_SAV_sites - point dataset of species presence/absence and survey methodology at each site. WA_Leschenault_SAV_polygons - polygon dataset showing interpolated percentage cover in polygons derived from site points. This record provides access to the initial WA DoW surveys. See associated DWER records in Data WA catalogue for access to newer surveys at this site.
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Repeat surveys of aquatic flora were conducted in Princess Royal Harbour in 1996, 2003, 2005 and 2006. This data is part of the 2013 report "Synthesis of seagrass mapping studies" conducted by the Water Science Branch of the Department of Water. Surveys were initially conducted by the WA Department of Water. The objectives of the study were to map the distribution of the different seagrass species found in Princess Royal Harbour and Oyster Harbour and to compare the distributions with that observed in previous studies (1996 and 2003). This data was acquired by the ACEAS Seagrass Group as part of the 2013 Australia-wide risk assessment of Seagrass. Surveys were conducted again in January and March 2021 by the Department of Water and Environmental Regulation as "Princess Royal Harbour Seagrass Survey". The datasets making up the 1996-2006 Princess Royal Harbour seagrass survey data are: WA_PrincessRoyal_seagrass_polygons - polygon dataset showing interpolated percentage cover of seagrass. This record provides access to the initial WA DoW surveys. See associated DWER records in Data WA catalogue for access to newer surveys at this site.
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This data is part of the 2013 report "Synthesis of seagrass mapping studies" conducted by the Water Science Branch of the Department of Water. Surveys were conducted by the WA Department of Water together with Geoscience Australia. The objective of these surveys was to collect baseline data on seagrass composition and distribution in key estuaries of southern and south-western WA. This data was acquired by the ACEAS Seagrass Group as part of the 2013 Australia-wide risk assessment of Seagrass. The datasets making up the Beaufort Inlet seagrass survey data are: WA_Beaufort_SAV_sites - point dataset of species presence/absence and survey methodology at each site. WA_Beaufort_SAV_polygons - polygon dataset showing interpolated percentage cover in polygons derived from site points.
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This data is part of the 2013 report "Synthesis of seagrass mapping studies" conducted by the Water Science Branch of the Department of Water. Surveys were conducted by the WA Department of Water together with Geoscience Australia. The objective of these surveys was to collect baseline data on seagrass composition and distribution in key estuaries of southern and south-western WA. This data was acquired by the ACEAS Seagrass Group as part of the 2013 Australia-wide risk assessment of Seagrass. The datasets making up the Stokes Inlet seagrass survey data are: WA_Stokes_SAV_sites - point dataset of species presence/absence and survey methodology at each site. WA_Stokes_SAV_polygons - polygon dataset showing interpolated percentage cover in polygons derived from site points.
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This record describes data collected for the 2013 report "Synthesis of seagrass mapping studies conducted by the Water Science Branch of the Department of Water", and collected more recently by the Department of Water and Environmental Regulation ongoing monitoring. This project record provides linkage to each of metadata records describing seagrass data collected from the 11 study areas: Beaufort Inlet (2009), Hardy Inlet (2008), Irwin Inlet (2009), Leschenault Estuary (2009), Oyster Harbour (1988, 1996, 2006), Princess Royal Harbour (1996, 2006) Stokes Inlet (2009), Swan Canning (2011), Walpole Nornalup Inlets (2009), Wellstead Estuary (2009), Wilson Inlet (2007, 2008). Additional monitoring data is available from the WA DWER seagrass group via https://data.wa.gov.au for the following study areas: Leschenault Estuary (2014-2023), Peel Harvey Estuary (2021), Hardy Inlet (2018, 2020, 2023), Wilson Inlet (2017-2022), Wilson Inlet (2017-2022), Oyster Harbour (2019, 2021), Princess Royal Harbour (2021). To access the source datasets from the 2013 Synthesis for each study site/sampling occasion in their original (unaggregated) form, see child records linked to this parent record.
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This data is part of the 2013 report "Synthesis of seagrass mapping studies" conducted by the Water Science Branch of the Department of Water. Surveys were conducted by the WA Department of Water together with Geoscience Australia. The objective of these surveys was to collect baseline data on seagrass composition and distribution in key estuaries of southern and south-western WA. This data was acquired by the ACEAS Seagrass Group as part of the 2013 Australia-wide risk assessment of Seagrass. The datasets making up the Irwin Inlet seagrass survey data are: WA_Irwin_SAV_polygons - polygon dataset showing interpolated percentage cover of Ruppia spp.