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Health and Status of Seagrass in Cockburn Sound, Owen Anchorage and Warnbro Sound: 1998 to 2008

Created 25/06/2017

Updated 11/08/2023

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Since 1998, a survey of seagrass health has been repeated annually between Stragglers Rocks and Warnbro Sound in the Perth metropolitan waters, in January, on behalf of DEC (Department of Environment and Conservation) and CSMC (Cockburn Sound Management Council). The survey has incorporated measurements of several quantitative variables at each assessment site, and also established a series of permanent transects over the lower depth limit of seagrass meadows at four different sites.

Parameters measured (some were measured only in some years) include: - Seagrass shoot density - Shoot height (maximum) - Shoot height (average) - Leaf productivity - Seagrass above ground biomass - Epiphyte biomass - Photoquadrats - Photography of leaves - Video transect - Videography of leaves - Canopy cover (%) - Meadow cover (%) - Epiphyte cover (%) - Epiphyte composition - Rhizome mat - Coloniser species

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Title Health and Status of Seagrass in Cockburn Sound, Owen Anchorage and Warnbro Sound: 1998 to 2008
Language English
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/4772d428-f00f-43ca-b182-128fdd294588
Contact Point
Cockburn Sound Management Council (CSMC), Department of Environment Regulation (DER), Western Australia Government
csmc@dec.wa.gov.au
Reference Period 25/06/2017
Geospatial Coverage
Map data © OpenStreetMap contributors
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Data Portal Data.gov.au